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THE AI LAB DAILY · THE MARKET ON SATURDAY, 31 OCTOBER 2026

Saturday 31 October 2026 steamers and drifters: Hammer The Hammer at Southwell

← Every day·Today's card·The day so far on Tuesday, 3 November 2026·Yesterday's results

This is the market piece for Saturday, 31 October 2026, kept as an archive. The latest market pieces are here.

The market for Saturday 31 October 2026 has moved since the morning show. The market has seen money going in both directions since the morning, with Hammer The Hammer shortening sharply at Southwell and One More Stroke drifting at Ayr. Of the day's 46 races, 32 were still to be run when the opening show was set against the morning market, the next of them the United Council Of Racecourse Bookmakers Handicap Hurdle at 13:53 at Ayr, and the moves below are drawn from those races alone.

The morning market is the price the day's predictions recorded for each runner before the first show; the opening show is the middle bookmaker price in the Lab's first snapshot of the day, exchanges left out. A steamer is a runner whose price has shortened between the two, a drifter one whose price has lengthened, and a move is a description of the market's opinion, never advice.

Every runner, with the model's estimated chance beside the price, is on the racecards page.

Steamers: Hammer The Hammer at Southwell

The biggest shorteners have all moved sharply since the morning market, largest first: Hammer The Hammer has shortened for the Make The Move To Midnite Handicap at 19:25 at Southwell, Bondy Boy has shortened for the AWC Finals Day At Newcastle 26th March EBF 'Confined' Restricted Maiden Stakes at 18:50 at Southwell and Anamanda has shortened for the Hogmanay Ball At Western House Hotel Handicap Hurdle at 16:10 at Ayr. The card below is the race Hammer The Hammer runs in, the biggest single move on the day, with the model's estimated chance for each runner beside the chance the morning market implied.

Stablebet model (pre-race estimated win chances)

Southwell 19:25 · Make The Move To Midnite Handicap · Class 3 · 6f16y

Latest output →

Pre-race estimate. Published 31 October 2026, before the off. This is what the model made of the race beforehand, kept as a record. It was never published as a tip.

The model rated Hammer The Hammer its most likely winner at 13%, ahead of Indian Run (12%) and Kind Touch (11%). It read as a competitive, open race with no dominant runner.

HorseSPModel chanceMarketvs Market
Hammer The Hammer
K Stott / K A Ryan
26.00
13.0%
3.0%Market 10.0pp longer
Indian Run
Lewis Edmunds / Miss J A Camacho
5.50
11.8%
14.1%Market 2.3pp shorter
Kind Touch
Warren Fentiman / R A Fahey
4.50
11.2%
17.2%Market 6.0pp shorter
Atomic Force
Jack Callan / E Bethell
9.00
8.5%
8.6%In line with market
Caballo Grande
Finley Marsh / M L W Bell
17.00
8.3%
4.5%Market 3.7pp longer
Evening Blues
Dylan Hogan / M Herrington
21.00
7.4%
3.7%Market 3.8pp longer
Bolo Neighs
Hollie Doyle / R M Beckett
6.00
6.7%
12.9%Market 6.3pp shorter
So Darn Hot
Rowan Scott / K P De Foy
15.00
6.0%
5.2%Market 0.9pp longer
Another Abbot
Jason Hart / W J Haggas
15.00
6.0%
5.2%Market 0.9pp longer
Purosangue
Marco Ghiani / R M H Cowell
9.00
5.1%
8.6%Market 3.5pp shorter
Starmade
P J McDonald / E A L Dunlop
21.00
5.0%
3.7%Market 1.4pp longer
Desert Falcon
Ryan Sexton / Miss J A Camacho
17.00
4.9%
4.5%In line with market
The Caltonian
K T O'Neill / Miss L A Perratt
15.00
4.2%
5.2%Market 0.9pp shorter
Novello Lad
O McSweeney / P T Midgley
21.00
1.8%
3.7%Market 1.9pp shorter

These were the model's estimated win chances going into the race, not tips. The model is calibrated to real results (when it says 25%, about 25% win) but it does not beat the market, so read it as an independent second opinion on the race. See how accurate it is →

Model: ensemble-v1.1 · Generated Sat, 31 Oct 2026The LabMethodology

The market's sharp move for Hammer The Hammer in the feature race aligns with the model's assessment of Hammer The Hammer as the most likely winner. The model's estimate was made before the first show and does not move with the market, so the gap between its column and a steamer's price is a difference of opinion, not a verdict on either; the track record settles every one of its picks at starting price. The course itself is covered in the Southwell guide.

Drifters: One More Stroke at Ayr

The biggest lengtheners have all moved sharply since the morning market, largest first: One More Stroke has drifted for the Bet With Rails Bookmakers On Course Handicap Chase at 14:28 at Ayr, Back In Favour has drifted for the SIS, Proud Sponsors Of Irish Racing (Pro/Am) Flat Race at 16:20 at Down Royal and An Mhi has drifted for the United Council Of Racecourse Bookmakers Handicap Hurdle at 13:53 at Ayr. The card below is the race One More Stroke runs in, the biggest single drift on the day, with the model's estimated chance beside the morning market's.

Stablebet model (pre-race estimated win chances)

Ayr 14:28 · Bet With Rails Bookmakers On Course Handicap Chase · Class 4 · 2m4f110y

Latest output →

Pre-race estimate. Published 31 October 2026, before the off. This is what the model made of the race beforehand, kept as a record. It was never published as a tip.

The model rated Halftheworldaway its most likely winner at 16%, ahead of Moon Phases (14%) and Wolfburg (13%). It read as a competitive, open race with no dominant runner.

HorseSPModel chanceMarketvs Market
Halftheworldaway
Toby Wynne / O Greenall & J Guerriero
5.00
15.8%
16.5%Market 0.7pp shorter
Moon Phases
D R Fox / L Russell & M Scudamore
13.00
13.8%
6.3%Market 7.5pp longer
Wolfburg
Craig Nichol / A M Thomson
2.88
13.2%
28.6%Market 15.4pp shorter
Tommy Combats
Ryan Mania / M Todhunter
8.00
12.0%
10.3%Market 1.7pp longer
Rock On Jet
Jonathon Bewley / G Bewley
26.00
11.9%
3.2%Market 8.7pp longer
Cavalier Du Luy
Bruce Lynn / N W Alexander
11.00
7.5%
7.5%In line with market
Great Pepper
Leah Noreci / James Moffatt
17.00
6.5%
4.8%Market 1.7pp longer
My Kiwi Girl
K Brogan / N W Alexander
15.00
6.5%
5.5%Market 1.0pp longer
Monochromix
Jack Power / L Russell & M Scudamore
15.00
6.5%
5.5%Market 1.0pp longer
One More Stroke
Callum Bewley / D Bourke
7.00
6.3%
11.8%Market 5.5pp shorter

These were the model's estimated win chances going into the race, not tips. The model is calibrated to real results (when it says 25%, about 25% win) but it does not beat the market, so read it as an independent second opinion on the race. See how accurate it is →

Model: ensemble-v1.1 · Generated Sat, 31 Oct 2026The LabMethodology

A drift is the market's opinion changing, and the reasons range from a non-runner or a change of going to a stable's own confidence, none of which the price itself explains. The model does not react to it: its estimate is the same one the morning card carried, which is why a drifter can sit above the market in the left column and below it in the right. The horse tracker follows any runner on the card to its next entry, whichever way its price went.

The cost of backing early

Taking a price before the off means taking the bookmaker's margin at that moment, and the margin is paid whichever way the price then moves: a steamer rewards the early price and a drifter punishes it, but the excess the book keeps over a whole field is built into both. The table below is the latest published margin for each book the Lab tracks, compiled from the previous evening's prices, so it describes the card as it was sold then rather than the lunchtime board.

BookmakerRacesOverroundTakeout
1 SmarketsSBK184415.50%13.42%
2 BetTom167423.61%19.10%
3 Bet365233723.99%19.35%
= LiveScore Bet shared feed170224.19%19.48%
= Virgin Bet shared feed170524.21%19.49%
6 William Hill241525.81%20.52%
7 Unibet237326.34%20.85%
8 Quinn Bet239526.97%21.24%
= 7Bet186926.98%21.25%
= Betfred229727.04%21.28%
= Hollywood Bets241427.04%21.28%
12 Paddy Power245327.34%21.47%
13 10 Bet221927.90%21.81%
= Star Sports247028.01%21.88%
15 Midnite241928.62%22.25%
16 Coral shared feed246628.97%22.46%
= Ladbrokes shared feed246629.00%22.48%
= Boyle Sports245629.09%22.53%
19 Bet Victor shared feed173829.73%22.92%
= Betano shared feed173729.81%22.97%
21 Betfair Sportsbook245330.23%23.21%
22 Dragon Bet247930.90%23.61%
= BetWright247930.92%23.62%
24 BresBet21732.04%24.27%
25 BetMGM248134.08%25.42%

First pre-race book of each day, 2026-08-27 to 2026-11-03, across 2483 races every listed book priced in full. Exchanges and spread firms are excluded: they do not quote comparable win odds. Overround is how far past a fair book the prices sit; takeout is the share of stakes the book keeps. On 67 days of data, books marked = are level with the one above rather than behind it. Books marked "shared feed" are one half of a pair that does not price independently, so there are fewer independent books here than rows.

What betting costs has the working behind the margin, and the Tipster League shows what taking a price every day does to the AI tipsters over a season, losses included.

Elsewhere in the Lab: Which AI Is Actually Best at Picking Horses?.

Common questions

Which meetings race on Saturday 31 October 2026?

Newmarket, Wetherby, Ayr, Ascot and Southwell in Britain, and Down Royal in Northern Ireland. Every card is on the racecards page with the model's estimated chance beside each runner, and all of them still have racing to come.

What is a steamer?

A runner whose price has shortened since an earlier market, here the morning market recorded in the predictions file. The opposite move, a price lengthening, makes a drifter.

Does a steamer win more often?

The Lab makes no such claim. A shortening price is the market's opinion strengthening, and the track record settles the model's own picks at starting price rather than at the price they opened at, so the answer for any system is a running figure over every day, not a rule.

Where do the prices come from?

From the Lab's own snapshot of the bookmakers' boards, taken in the late morning and compared with the morning market the model priced against. Exchange prices carry commission and are left out.

How are the AI tipsters doing?

The Tipster League settles every AI pick at starting price and publishes the running total, losses included.

A word on all of this

None of the above is a tip, and no system the Lab has tested has made money over the whole record. Bet only what you can afford to lose. If gambling has stopped being fun, BeGambleAware has free, confidential help.

Every figure on this page renders live from our published feeds and nothing here is a tip. For whether the model holds any edge, see our track record. 18+, please bet responsibly.

Previous market pieces

Friday, 30 October 2026
Friday 30 October 2026 steamers and drifters: Howyoulikethat at Dundalk
The steamers and drifters since the morning market on 30 October 2026, the model's chance beside the opening show, and what backing early costs.
Thursday, 29 October 2026
Thursday 29 October 2026 steamers and drifters: Burdett Estate at Bath
The steamers and drifters since the morning market on 29 October 2026, the model's chance beside the opening show, and what backing early costs.
Wednesday, 28 October 2026
Wednesday 28 October 2026 steamers and drifters: Tazman Dan at Huntingdon
The steamers and drifters since the morning market on 28 October 2026, the model's chance beside the opening show, and what backing early costs.
Tuesday, 27 October 2026
Tuesday 27 October 2026 steamers and drifters: Zoulu Warrior at Wolverhampton
The steamers and drifters since the morning market on 27 October 2026, the model's chance beside the opening show, and what backing early costs.
Monday, 26 October 2026
Monday 26 October 2026 steamers and drifters: Honey Dale at Southwell
The steamers and drifters since the morning market on 26 October 2026, the model's chance beside the opening show, and what backing early costs.
Sunday, 25 October 2026
Sunday 25 October 2026 steamers and drifters: Socrates Smiled at Wexford
The steamers and drifters since the morning market on 25 October 2026, the model's chance beside the opening show, and what backing early costs.
Saturday, 24 October 2026
Saturday 24 October 2026 steamers and drifters: Mehmar at Southwell
The steamers and drifters since the morning market on 24 October 2026, the model's chance beside the opening show, and what backing early costs.