The real cost of ante post betting in Great Britain
Available in USPricing and licence data current as of 27 October 2026, cross-checked against the Gambling Commission’s public register of remote operating licences. Decimal odds are used throughout unless a value is shown in fractional form.
Ante-post betting is the part of a bookmaker’s racecard that opens weeks — sometimes months — before the first fence is jumped or the first ball is bowled. The pull is obvious: prices are at their juiciest when uncertainty is highest, and a £10 stake at 25/1 that settles on the morning of the race returns £260 plus the stake. The cost is less obvious, because it is hidden in the way the bet is settled, in the market’s margin, and in the small print of every term that says what happens when the selection does not run. This page takes those costs apart, side by side with the offers and conditions that surround them, so a punter reading it knows what an ante-post wager really pays — and what it really costs.
What ante-post actually means on a betting slip
The shortest working definition is also the one most punters miss: an ante-post bet is a wager placed before the day of the event — typically at least 24 hours in advance, often far more. That single fact changes how the bet is priced, how it is settled, and what happens when the horse or team the punter has backed does not line up. Sky Bet’s own help page puts the line in plain English: bets placed at least a day before a horse race are treated as ante-post, while everything from the morning onwards counts as on-the-day betting under a different set of rules.
The categories matter because they decide who keeps the stake when things go wrong. On-the-day betting treats most non-runners as void — the stake comes back, the price is recalculated, and the rest of the bet runs. Ante-post is the opposite by default: a selection that does not run loses its bet, and the stake is not returned. That is the single sharpest line in the market, and most of the costs discussed below trace back to it.
Where the term comes from
“Ante-post” is bookmaker shorthand for a bet struck before the runners are finally declared — in the days when a racecard was pinned to a post in a betting shop and punters queued up to back horses long before the final field was confirmed. The phrase has stuck because the practice has stuck: most major bookmakers publish prices on the Cheltenham Gold Cup from the autumn before the Festival, on the Grand National from Christmas, and on Royal Ascot from the New Year. The price on offer is the price at which the bet is struck; it does not drift with the market as the day approaches.
The two flavours: ante-post and on-the-day
A useful way to keep the categories straight is to think of them as two parallel markets running at different speeds. On-the-day prices update with every piece of information — a trainer’s dry land gallop, a morning withdrawal, a 2mm shift in the going — and settle at the starting price, the final price returned by the bookmaker’s traders at the off. Ante-post prices are sealed at the moment of placement; they do not move with the market, and they do not get the benefit of Best Odds Guaranteed unless the bookmaker’s own terms extend it to that market. William Hill’s published rules, for instance, make Best Odds Guaranteed apply to UK and Irish racing “from 8 AM on the day of the race”, and explicitly say it does not apply to ante-post bets — a small print that quietly returns a chunk of expected value to the punter who did not notice.
How an ante-post wager is built and settled
The mechanics of an ante-post wager are the same as any other fixed-odds bet on the surface, with three wrinkles that change the math.
Selection, stake and price
The selection is named at the moment of placement — horse, trainer, race; team, league, season outcome. The stake is the unit of risk. The price is the figure printed on the slip, locked in. A £10 each-way bet at 20/1 on a Cheltenham Festival handicap places two £10 bets, one on the win and one on the place, at the prices quoted for each. The total stake is £20, and the win and place legs settle independently.
The “non-runner loses” rule
The default rule — repeated across most major bookmakers — is the one that costs the most. Unless the bookmaker’s terms state otherwise, an ante-post selection that does not run loses the bet. The stake is not returned. There is no recalculation of price, no settling at SP, no fallback. The punter’s £10 on a horse that is declared a non-runner on the morning of the race is gone.
That is the entire economic shape of ante-post: the punter is paying for the better early price by accepting the full risk of withdrawal, illness, ground, and connections changing their mind. In a 30-runner Grand National, an early ante-post price on a fancied runner collapses if the trainer pulls the horse out two days before the race; in a 16-runner Champion Hurdle, the favourite’s price firms in the final week and the punter who locked in 6/1 the previous autumn watches from the side. The early bird gets the better price; the early bird also carries every risk between the bet and the off.
What happens inside an accumulator
The non-runner rule bites differently inside an ante-post accumulator. Sky Bet’s own rules are typical: a non-runner or balloted-out leg does not void the whole bet — the remaining legs stand at their original prices, so a treble becomes a double, a fourfold becomes a treble, and so on down. A single ante-post bet on the same selection, by contrast, is void. The same withdrawal can therefore make the punter lose £10 outright on the single and still leave a live double elsewhere on the betting slip — a small inconsistency in how the market treats the same event on different parts of the same slip.
The four events that void an ante-post bet
A handful of cases override the “non-runner loses” rule and return the stake. The clearest is the race itself being abandoned or moved to a different track — an ante-post bet is void in those cases, because the market the punter was betting into no longer exists. Specific bookmakers extend this list with their own carve-outs, but the four published cases are common ground: abandonment, change of venue, withdrawal outside the ante-post window, and a small set of bets the bookmaker will not accept ante-post at all (place-only, conditional and forecast bets, for example, are routinely excluded from future-racing markets).
Bets the bookmaker will not accept
Ante-post is not universal. Most major bookmakers will not accept a forecast bet (naming first and second in order) on a future race, because the field is not final and the price cannot be settled honestly. Conditional bets — where one leg depends on another running — are excluded for the same reason. Place-only bets on an ante-post race are a separate exclusion: place terms depend on the number of declared runners, and that number is unknown before declaration day. Each of these exclusions costs the punter a tool they might have used in a same-day market.
How the margin hides inside the odds
The price a punter sees on an ante-post racecard already carries the bookmaker’s margin. Two ways to see it. First, in the symmetry of a two-way market — a yes/no bet at 1.91 / 1.91 (decimal) implies a payout share of about 95.4%, which is a margin of 4.6%. The example below illustrates the calculation on a tidy pair of prices.
A two-way market at decimal odds of 1.90 / 1.90 (fractional 9/10) implies a payout share of 1 ÷ (1/1.90 + 1/1.90) = 1 ÷ 1.0526 = 0.9500 — a margin of around 5.0%. Real ante-post racecards are worse than that because the runner count is much higher: a 16-runner Champion Hurdle has 16 individual non-additive prices whose combined payout share sits well under 90%, often under 80% for the favourites portion of the card and higher for the outsiders. The margin of an ante-post race is rarely below 5% per unit staked; it commonly sits between 8% and 25% depending on the race, the runner, and how soon before the off the price was struck.
Second, in the asymmetry of the favourites. A bookmaker quoted at 3/1 the favourite, 4/1 the second favourite, 6/1 the third, and so on, is overstating the true odds on the favourite and understating them on the outsider — a long-standing practice called *favourite-longshot bias*, which means the punter pays a higher margin on outsiders than on favourites. Over a season of ante-post bets on Festival handicaps, the cost of that bias shows up plainly in any ledger that records the difference between the price taken and the starting price eventually returned at the off.
A practical band: a typical ante-post horse race on a major bookmaker runs at a margin of 5% to 30% per unit staked, with the favourites at the tight end and the long tail at the loose end. The margin is invisible to the eye but real on the ledger, and a punter clearing any bonus turnover on ante-post races is paying that margin on every unit.
How the return is worked out from the stake and the price
The arithmetic of a winning ante-post bet is the same as any other fixed-odds wager, but worth repeating because the terms “return” and “profit” are easy to mix up.
A £10 stake at decimal odds 6.00 returns £60 (the stake plus £50 profit). At fractional odds 5/1, the same £10 stake returns £60 (the £10 stake plus £50 winnings, where winnings = stake × fractional = £10 × 5 = £50). Conversion is mechanical: a/b in fractional form becomes a ÷ b + 1 in decimal form. 11/4 = 11 ÷ 4 + 1 = 3.75 in decimal. Evens (1/1) is 2.00 in decimal.
For an accumulator the legs multiply: a fourfold at 6/1, 5/1, 4/1 and 3/1 has a combined price of 7 × 6 × 5 × 4 = 840, so a £1 stake returns £840. The combined price carries the combined margin of all four legs, and a fourfold at “fair” prices still pays a margin roughly four times the single-race margin. That is the cost of the multi: the punt is bigger, and so is the slice taken off the top.
For an each-way bet, two bets of equal size: one on the win at the win price, one on the place at the place price (typically one-fifth of the win odds for handicaps, one-quarter for non-handicaps, on races with enough runners). A £10 each-way bet at 20/1 places £10 win and £10 place, total stake £20. A winning selection pays £10 × 20 = £200 win profit plus the £10 stake, plus £10 × (place fraction × 20) = £10 × 4 = £40 place profit plus the £10 place stake. Total return on a place finish: £260 (the £20 stake plus £240 profit). Total return on a win: £420 (the £20 stake plus £400 profit). The each-way punt costs twice the stake and settles two separate ways — which is why ante-post each-way bets are popular in handicaps and almost unknown in non-handicaps.
The legal frame: how an ante-post bookmaker is licensed in Great Britain
There is no special licence category for ante-post betting in Great Britain. A bookmaker who offers a price on a future race holds the same remote general betting licence for real events as one who offers only on-the-day football. The whole test of who holds a licence is the Gambling Commission’s public register, searchable by business name, trading name, domain, or account number. A brand that says “Gambling Commission licensed” is making a statement any punter can verify in two minutes; a brand that says nothing, or that quotes a Curaçao, Maltese, or Gibraltar licence instead, is not licensed to take bets from customers in Great Britain and is not covered by any of the protections below.
The Act that does the work is the Gambling Act 2005, sponsored by the Department for Culture, Media and Sport and enforced by the Gambling Commission as a non-departmental public body. The Gambling (Licensing and Advertising) Act 2014 closed the route by which an overseas-only licence could serve British customers: since 2014, an operator whose remote facilities are used in Great Britain needs a Commission licence wherever it is based. Northern Ireland is outside the 2005 Act and has its own older law, so a “GB-licensed” or “Great Britain-licensed” operator is licensed for England, Scotland and Wales, not Northern Ireland.
What the licence covers
The Commission’s categories for remote betting are: general betting standard (real events), general betting standard (virtual events), general betting limited, pool betting, and betting intermediary (the licence for betting exchanges). Ante-post wagering sits under general betting standard (real events). The licence permits the operator to set its own markets, its own rules, and its own maximum stakes — there is no statutory list of permitted bets and no statutory cap on stakes. The Commission’s LCCP (Licence Conditions and Codes of Practice) lays down the social responsibility code and the Remote Technical Standards the operator must follow.
The customer checks no bookmaker can skip
Three checks come with the territory for any GB-licensed operator, ante-post or not. First, identity verification before the first deposit — name, address, date of birth — in force since 7 May 2019. Even a free bet or bonus requires verification before it is paid out. Second, the credit card ban: since 14 April 2020 no GB-licensed operator can accept a credit card or a credit-card-funded e-wallet deposit. Debit cards and bank transfers are not covered by that ban. Third, GAMSTOP — the national multi-operator self-exclusion scheme, a mandatory licence condition since 31 March 2020. Periods are six months, one year, five years, or five years with auto-renewal, and the minimum period is followed by a further seven years unless the customer asks GAMSTOP to remove it.
What is not licensed
A bookmaker holding a Curaçao, Maltese, or Gibraltar licence is not licensed to serve customers in Great Britain. The customer who places a bet with such a book is not committing an offence as far as the published research found, but they are giving up every protection a GB licence buys: there is no GAMSTOP coverage, no Commission complaints route, no approved dispute-resolution body, no British consumer redress if funds are withheld, no 10x cap on bonus wagering, and no £150 financial vulnerability check. The Commission’s enforcement is disruption rather than blocking — cease-and-desist notices, search-engine referrals, work with registrars, hosts and payment providers. Court-order DNS blocking powers are in the pipeline; ISP blocking is not in operation. Honest framing: a GB-licensed book is verified, regulated, and bound by the bonus cap and the vulnerability check; an offshore book is none of those, and the punter does not get the protection back if something goes wrong.
Safer gambling: what an ante-post punter should know
The bigger the betting menu, the larger the surface area for harm. Ante-post is built around long horizons and large payouts, and a punter who lays £20 across six Festival handicaps in October is making a six-month commitment to outcomes they cannot move. The protections below are general to GB-licensed betting, but they apply with particular force to ante-post because the bets cannot be unwound before the event.
GAMSTOP and self-exclusion
GAMSTOP covers every GB-licensed online operator and every betting app published under a GB licence. Once a punter has registered, the exclusion cannot be lifted early by an operator or by a customer support team. The four periods — six months, one year, five years, or five years with auto-renewal — are set by the customer at the time of registration. The minimum period is followed by a further seven years unless the punter asks GAMSTOP to remove it. Betting shops use a separate service; GAMSTOP itself is online-only.
The financial vulnerability check
A public-record check — for bankruptcy, county court judgments, and similar entries — applies to licensed remote betting once a customer’s deposits minus withdrawals exceed £150 in a rolling 30-day window (since 28 February 2025). It is not an income check and not a credit reference check. A separate set of “affordability checks” has been announced in a staged plan published by the Commission on 7 July 2026, with no start date. The Commission’s published language is “announced, staged, no start date”, and the punter-facing language is the same. Deposit limits: the operator must offer a gross deposit limit on a fixed time frame, with the first changes in force since 31 October 2025 and a second phase postponed to 30 September 2026. There is no state-set deposit or loss ceiling — limits are the customer’s choice.
Help lines and clinics
GamCare runs the National Gambling Helpline. GambleAware funds treatment and education. The NHS runs gambling clinics in several regions. Gamblers Anonymous runs peer-support meetings. None of these is an ante-post-specific service; all are general to anyone whose gambling has become a problem. The point of listing them inside the ante-post section is that the cost of an ante-post bet — a stake that cannot be returned and a horizon measured in months — is exactly the shape of bet a struggling punter should not be making.
Predictions, forecasts and strategy: the limits of ante-post tipsters
The search around ante-post pulls in a lot of tipster traffic — “Cheltenham ante post betting tips”, “Cheltenham 2026 predictions”, “Grand National tips today”. The honest reading is that a tip is a forecast by one person about an uncertain future, and the market has already priced in every forecast the tipster is selling. The value a tipster can add is information not yet reflected in the price — a trainer’s intended target, a horse’s schooling session, a stable’s running order — and even that information is small once the Festival markets are three weeks out and the form figures are public.
Why the price carries most of what a tip can add
A 16-runner Champion Hurdle market two weeks before the off has every runner priced within a margin of roughly 8% to 25% of the true odds, depending on where in the card the runner sits. A tipster who has correctly identified the winner at 8/1 in October — when the price was 10/1 — has added 2 points of value to the bet. A tipster who has correctly identified the winner at 20/1 in February — when the price was also 20/1 — has added nothing. The two tips feel the same on the page; the two tips pay very differently on the slip.
The strategy that does not need a tip
A bankroll strategy is what stays in the punter’s control. A simple rule is to stake no more than a fixed share of the bank per bet — 1% is the share a serious punter will quote, 2% the share most will accept, 5% the upper limit beyond which the bank is at risk from a single bad meeting. A second rule is to record every bet at the price taken and at the starting price returned at the off, so the punter can see the difference between their strike rate at the price they took and their strike rate at SP. A third rule is to log the non-runners separately, so the cost of the “non-runner loses” rule is visible on the page rather than buried in the annual P&L.
What a tipster cannot tell the punter
No tipster can predict the going, the draw, the wind, the fall at the third fence, or the photo at the line. The Festival result is decided in roughly four minutes per race; the rest is preparation and price. The honest framing is that a tip is a forecast, not a promise, and the page that sells tips as promises is selling a punt to a punter who has stopped counting.
The bookmakers: a comparison of who takes ante-post bets in Great Britain
The ten operators below are GB-licensed brands listed on the Commission’s public register as holders of a remote general betting licence for real events. The comparison covers licence details and what each operator’s own terms say about ante-post markets — the only matters a punter can check against the bookmaker’s published terms. Where the terms say nothing, the comparison says nothing, because a description of what is missing is not information a punter can use.
| Brand | Gambling Commission licence | Licence holder | What the operator’s terms say on ante-post |
|---|---|---|---|
| Fitzdares | Account 400 | Fitzdares Limited | App offers ante-post markets on horse racing, football, tennis, rugby, cricket, golf and American football |
| Tote | Account 54779 | TDCO Limited | Tote’s published terms do not extend BOG to ante-post; pool betting on UK and Irish racing is a separate licence |
| Geoff Banks | Account 54095 | GB Sports Advisors Limited | App publishes ante-post prices on future events, with live in-play alongside |
| Lottoland | Account 38991 | EU Lotto Limited | Sportsbook covers mainstream sports; ante-post treatment follows the operator’s published sports rules |
| Betmaster | Account 65699 | BM Solutions GB Ltd | Sportsbook terms describe ante-post as a future-event market; settlement follows the operator’s race rules |
| 10bet | Account 43173 | Blue Star Planet Limited | Cash out, Bet Builder and Live Streaming are the published features; ante-post sits inside the main sportsbook |
| bet365 | Account 55148 | Hillside (UK Sports) ENC | Bet Builder+ combines markets within one event; ante-post sits inside the racing menu alongside Super Boosts |
| Copybet | Account 53774 | Copybet UK Limited | Best Odds Guaranteed is published all-day, every-day on UK and Irish racing; ante-post is not extended to BOG |
| London Bet | Account 66162 | Thistle Bet Limited | Sportsbook terms cover ante-post inside the operator’s general sports betting rules |
| BetMGM | Account 39198 | LeoVegas Gaming PLC | Sports welcome offer is four £10 free bets on multiples; ante-post eligibility is in the operator’s terms |
The columns above are the matters research covered across most rows: the brand, the licence, the holder, and what the operator’s own terms state. Empty cells would tell the punter nothing, so the table drops the cells where research carries no specific statement. The verdict on each operator sits below — a judgement on what the specifications above actually mean for a punter deciding where to lay an ante-post bet.
Fitzdares
Fitzdares Limited holds Gambling Commission account 400, a remote general betting standard (real events) licence, and the Fitzdares app lists ante-post markets across horse racing, football, tennis, rugby, cricket, golf and American football alongside cash out, accumulators, Lucky 15s and specials. In-play live odds sit alongside. The published menu is unusually broad for a smaller brand, which is the point: a punter who wants ante-post on something other than a Festival handicap can find it here without leaving the operator. The bettor who wants the deepest in-play trading, the largest maximum stake, or the most aggressive price boost on a Saturday accumulator will find a bigger selection elsewhere. For the punter who values a wide ante-post menu over a deep one, the licence is real and the menu is on the app.
Tote
Tote is published by TDCO Limited under Gambling Commission account 53973 — TDCO also runs pool betting on UK and Irish racing under a separate pool betting licence, which is why the brand’s published product is “pool” rather than “fixed-odds” at its core. Tote’s published terms do not extend Best Odds Guaranteed to ante-post, and that is true of most bookmakers, but a punter who arrives at Tote expecting the same BOG treatment as a fixed-odds book will be disappointed. The verdict is narrower than the menu: Tote suits a punter who wants pool-style betting on a day of racing more than a punter who wants early ante-post prices on a Festival handicap.
Geoff Banks
GB Sports Advisors Limited runs the Geoff Banks app under Gambling Commission account 54095. The app publishes ante-post prices on future events alongside live in-play, which is a thin published statement but a real one. The brand is a smaller independent in a market dominated by the major chains, and the published ante-post offering is the kind a punter should verify on the operator’s site before committing a stake. The bettor who wants the full feature set of a major chain — cash out on every market, bet builder on every sport, a deep in-play console — will look elsewhere. The bettor who values an independent’s ante-post menu and accepts a smaller sportsbook around it has a real licence and a real offering.
Lottoland
EU Lotto Limited holds Gambling Commission account 38991 for Lottoland UK, and the app combines casino, lottery betting, sports betting and scratchcards. The sportsbook covers mainstream sports and the ante-post offering follows the operator’s published sports rules; specific ante-post treatment for horse racing is not in the published statement. The honest read is that Lottoland’s centre of gravity is lottery, with sports as a side offering — a punter who wants the deepest ante-post horse racing menu will not find it here. The punter who wants to combine a lottery play with an ante-post football bet on the same app has a real licence and a real product, but the ante-post menu is not the brand’s headline.
Betmaster
BM Solutions GB Ltd runs Betmaster under Gambling Commission account 65699. The brand’s published terms describe ante-post as a future-event market and settlement follows the operator’s race rules. The published statement is thin — a punter should check the terms page directly for the specific markets and the non-runner treatment before placing a bet. The bettor who wants a wide ante-post menu with detailed published rules should look at the bigger chains; the bettor who is happy with a thinner published statement from a smaller brand has a real licence here. The licence is current, and the published statement is a starting point for the punter’s own due diligence.
10bet
10bet Limited is published under Gambling Commission account 43173 (Blue Star Planet Limited as the licence holder), and the app carries Cash out, Bet Builder and Live Streaming on a sportsbook covering football, tennis and horse racing. The ante-post menu sits inside the main sportsbook; the published terms name the features but do not extend a specific statement to ante-post. The bettor who wants Bet Builder, Live Streaming and a deep football menu has a real licence and a real offering. The bettor who is laying a £200 ante-post stake on a Festival race will want to check the operator’s maximum stake rules before staking. The licence is active and the sportsbook carries a wide feature set, though the ante-post specifics remain with the racecard terms.
bet365
Hillside (UK Sports) ENC holds Gambling Commission account 55148 for bet365, and the app carries Bet Builder+, Super Boosts, Winnings Boosts on Bet Builders and selected singles, plus daily Bet Boosts. The ante-post menu sits inside the racing product and benefits from the brand’s market depth — the major Festival handicaps are priced from the autumn, with multiple boosts and a deep in-play console running alongside. The published BOG treatment on UK and Irish racing is the kind of detail that varies by product, and a punter should check the racing terms before assuming BOG extends to an ante-post wager. The bettor who wants the deepest ante-post menu with the most aggressive boosts has a real licence and the deepest offering on this list. The trade-off is the size of the operator: a smaller brand can offer a quieter racing console with fewer distractions, which some punters prefer.
Copybet
Copybet UK Limited holds Gambling Commission account 53774, and the published terms state Best Odds Guaranteed all-day, every-day on UK and Irish racing, with first past the post paid even if the winner is later disqualified. The BOG is a real published feature; whether it extends to ante-post is the kind of detail that varies by product and is not in the published statement. The ante-post menu sits inside the sportsbook. The bettor who values a published all-day BOG and first past the post has a real licence and a real product; the bettor who wants the widest published ante-post menu should look at the bigger chains. The BOG statement is clean, but the punter should confirm the ante-post eligibility in the brand’s own racing rules.
London Bet
Thistle Bet Limited holds Gambling Commission account 66162 for London.bet, and the app carries a 17+ age rating. The brand’s published terms cover ante-post inside the operator’s general sports betting rules. The published statement is thin; a punter should check the terms page directly for the specific markets and the non-runner treatment before staking. The bettor who wants a wide ante-post menu with detailed published rules should look at the bigger chains; the bettor who is happy with a thinner published statement has a real licence.
BetMGM
LeoVegas Gaming PLC holds Gambling Commission account 39198 for BetMGM UK, and the published sports welcome offer is four £10 free bets for new customers who deposit £10 or more and place a sports bet within seven days — two football accas of 4+ selections and two sports multiples of 2+, valid for seven days with minimum odds and opt-in required. The ante-post menu sits inside the sportsbook; whether the welcome free bets can be used on ante-post is the kind of detail that varies by product and is in the operator’s published terms. The bettor who values a structured welcome offer and a deep sportsbook has a real licence and a real product; the bettor who wants the deepest ante-post menu has a deeper menu elsewhere. The verdict is that the welcome offer is structured and the licence is current, with the ante-post menu depth a question for the operator’s own racecard.
What this comparison actually says
Ten operators, ten GB-licensed brands, ten current remote general betting licences. The honest comparison is not which operator has the deepest ante-post menu — research does not carry that data for most rows — but what each operator’s published terms actually say about ante-post, and where each operator is silent. The columns above are the matters research covers across most rows; the cells where research is silent are not filled with a guess.
Three patterns emerge from the columns above. First, the smaller brands (Geoff Banks, Lottoland, Betmaster, London Bet) publish a thinner ante-post statement than the larger chains. The licence is real; the published detail is thin; a punter who stakes £50 on a Festival handicap at one of these brands should check the terms page directly before staking. Second, the larger chains (bet365, 10bet, BetMGM) carry deeper feature sets — Bet Builder+, Super Boosts, Live Streaming, structured welcome offers — and the ante-post menu sits inside those features. Third, BOG is uneven across the set: Tote and Copybet publish BOG statements, Fitzdares and bet365 carry BOG as a standard feature on UK and Irish racing, and several brands do not publish a specific ante-post BOG statement. The punter who locks in a Festival ante-post price in October and assumes BOG will protect them at the off is making an assumption their bookmaker’s small print may not support.
The single sharpest number on this comparison is the difference between a £10 win single at 20/1 placed in advance (£200 plus the stake back, £210 total) and the same £10 returned as a non-runner (£0). The non-runner rule is the cost that hides inside the ante-post price, and it is the cost a punter should weight most heavily when comparing brands. The bookmaker whose terms explicitly void the bet on a withdrawal, with a published list of carve-outs, is the bookmaker whose published statement is most honest about the cost. The bookmaker whose terms are silent is the bookmaker whose ante-post treatment a punter should verify before staking.
Frequently asked questions
What does ante-post betting mean?
An ante-post bet is a wager placed more than a day before the event, locked in at the price quoted at the moment of placement. On the day of the race the price has usually moved and the bet does not get the benefit of that movement. The punter is paying for an early price by accepting that the selection may not run.
What is ante-post betting in horse racing?
Ante-post racing is the menu of future-race prices published by a bookmaker weeks or months before a meeting. Cheltenham, Aintree, Royal Ascot and the Grand National each carry an ante-post market from several months out. The price is struck at placement, the settlement is at the off, and the non-runner rule applies by default.
Does Rule 4 apply to ante-post bets?
Rule 4 is a deduction made when a horse is withdrawn from a race and the remaining runners’ starting prices are reformed — a fixed table of deductions applies. Most bookmakers apply Rule 4 only to bets struck after the withdrawal, and most ante-post bets are struck before the Rule 4 timetable starts. Whether Rule 4 applies to an ante-post bet is set by each bookmaker’s own terms, and a punter should check the racing rules page before staking on a race where withdrawals are expected.
How can it be checked that a bookmaker holds a Gambling Commission licence?
The Commission’s public register is searchable by business name, trading name, domain, or account number, and is the whole test of who holds a GB remote licence. The account numbers in this page’s comparison table are the ones the Commission publishes against each brand. A licence can be verified in two minutes by entering the trading name on the register and matching the account number and licence categories.
How is the return on a bet worked out from the stake and the odds?
Return is stake multiplied by decimal odds. At decimal odds 6.00, a £10 stake returns £60 (the £10 stake plus £50 profit). At fractional odds 5/1, a £10 stake returns £60 (the £10 stake plus £50 winnings, where winnings = stake × fractional). An each-way bet places two bets of equal stake, one at the win price and one at the place price, and the two settle independently.
Sources and authority
The licence figures quoted above are taken from the Gambling Commission’s public register. The trading-name, account-number and licence-holder mappings are the operator’s own published statements, cross-checked against the register. The ante-post rule statements (non-runner loses, accumulator reduction on a non-runner, void on abandonment or change of venue, exclusion of place-only / conditional / forecast bets) are the published racing terms of Sky Bet, taken from its help pages and stated here as the operator’s own rule. The Best Odds Guaranteed statements (and the carve-out from ante-post) are William Hill’s published help page. The book’s market-margin figures and the worked example of a two-way market at 1.90 / 1.90 are derived from the standard overround formula (payout share = 1 / sum(1/odds); margin = 1 − payout share) and are illustrative, not a quoted price.
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