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THE AI LAB DAILY · THE MARKET ON SATURDAY, 17 OCTOBER 2026

Saturday 17 October 2026 steamers and drifters: Ice Cold Alex at Southwell

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This is the market piece for Saturday, 17 October 2026, kept as an archive. The latest market pieces are here.

The market for Saturday 17 October 2026 has moved since the morning show. The market has seen significant movement since the morning, with money coming for some runners and drifting away from others; Ice Cold Alex has shortened sharply at Southwell, while Ah Sure Look has drifted at Leopardstown. Of the day's 60 races, 49 were still to be run when the opening show was set against the morning market, the next of them the Irish EBF Fillies Maiden (Smullen Series) at 13:57 at Leopardstown, 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: Ice Cold Alex at Southwell

The biggest shorteners have all moved sharply since the morning market, largest first: Ice Cold Alex has shortened for the Winter Ladies Night Saturday 28th November Handicap at 19:00 at Southwell, Monsieur Bondy has shortened for the Saturday 24th October Gents Night Handicap (Div 1) at 17:30 at Southwell and It Just Takes Time has shortened for the William Hill Epic Boosts Handicap (Div 2) at 16:10 at Catterick. The card below is the race Ice Cold Alex 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 19:00 · Winter Ladies Night Saturday 28th November Handicap · Class 6 · 6f17y

Latest output →

Pre-race estimate. Published 17 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 Persian Gate its most likely winner at 15%, ahead of Black Missile (12%) and Lavender Bloom (12%). It read as a competitive, open race with no dominant runner.

HorseSPModel chanceMarketvs Market
Persian Gate
L Morris / A Watson
8.50
14.7%
8.8%Market 5.9pp longer
Black Missile
Tom Kiely-Marshall / Miss J A Camacho
6.50
12.2%
11.5%Market 0.7pp longer
Lavender Bloom
D C Costello / Steph Hollinshead
5.00
11.8%
15.0%Market 3.2pp shorter
Beach Partee
K T O'Neill / S Dixon
3.25
10.2%
23.0%Market 12.8pp shorter
Dance Fantasy
Non Runner / S & E Crisford
13.00
8.9%
5.8%Market 3.2pp longer
Mayflyer
S D Bowen / T Culhane & S Barclay
11.00
8.5%
6.8%Market 1.7pp longer
King Cherry
Marco Ghiani / S C Williams
13.00
5.7%
5.8%In line with market
Dusk Damsel
Millie Wonnacott / J S Moore
11.00
5.6%
6.8%Market 1.2pp shorter
Pivotal Terms
A Mullen / I Jardine
11.00
4.6%
6.8%Market 2.2pp shorter
Ice Cold Alex
Billy Garritty / Ollie Pears
67.00
4.4%
1.1%Market 3.3pp longer
Shush A Minute
William Carson / J Ryan
51.00
3.9%
1.5%Market 2.5pp longer
Whazzimo
Jonny Peate / R M H Cowell
51.00
3.3%
1.5%Market 1.9pp longer
Arc La Shari
Joe Leavy / I Furtado
21.00
3.1%
3.6%In line with market
Kodicall
William Cox / J S Moore
34.00
2.9%
2.2%Market 0.7pp longer

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, 17 Oct 2026The LabMethodology

The model rates Persian Gate its most likely winner, and the market has come for Ice Cold Alex since the opening show. 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: Ah Sure Look at Leopardstown

The biggest lengtheners have all moved sharply since the morning market, largest first: Ah Sure Look has drifted for the Irish EBF (C & G) Maiden (Smullen Series) at 14:32 at Leopardstown, Sunrise At Dawn has drifted for the Celebrate With Sponsorship At Southwell Racecourse Restricted Novice Stakes at 18:30 at Southwell and Anymore has drifted for the Irish Stallion Farms EBF Laidlaw Cup Fillies Maiden at 15:40 at Leopardstown. The card below is the race Ah Sure Look 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)

Leopardstown 14:32 · Irish EBF (C & G) Maiden (Smullen Series) · 1m100y

Latest output →

Pre-race estimate. Published 17 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 Mount Meru its most likely winner at 27%, ahead of Aladdin's Cave (16%) and Louis De Foix (13%). It read as a competitive, open race with no dominant runner.

HorseSPModel chanceMarketvs Market
Mount Meru
J M Sheridan / J P O'Brien
3.50
27.0%
21.0%Market 6.0pp longer
Aladdin's Cave
J Cleary / A P O'Brien
5.50
16.3%
13.4%Market 2.9pp longer
Louis De Foix
Billy Lee / P Twomey
7.00
13.1%
10.5%Market 2.6pp longer
Kingdom Of Camelot
Wayne Lordan / A P O'Brien
4.50
9.5%
16.3%Market 6.9pp shorter
Etawann
Jamie Powell / J P Murtagh
17.00
5.7%
4.3%Market 1.3pp longer
Mashad
Ben Coen / J P Murtagh
11.00
5.4%
6.7%Market 1.3pp shorter
Pirate Of Penzance
Gavin Ryan / A P O'Brien
8.00
4.8%
9.2%Market 4.4pp shorter
Raqi
Shay Wallace / J P O'Brien
13.00
4.0%
5.7%Market 1.6pp shorter
Midnight Ace
Donagh O'Connor / Ciaran Murphy
34.00
3.0%
2.2%Market 0.9pp longer
The Pintline
Paddy Harnett / M Hassett
101.00
2.8%
0.7%Market 2.1pp longer
Special Reserve
Shane Foley / J J Murphy
34.00
2.2%
2.2%In line with market
Captaincormac
Robbie Colgan / P Magee
101.00
2.1%
0.7%Market 1.4pp longer
Silent Kingdom
Adam Grant / D Dias
34.00
1.5%
2.2%Market 0.7pp shorter
Ah Sure Look
Chris Hayes / M Hassett
26.00
1.3%
2.8%Market 1.5pp shorter
Saxonian
Seamie Heffernan / J A Stack
34.00
1.3%
2.2%Market 0.9pp 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, 17 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: Where the Model Disagrees With the Market at the St Leger.

Common questions

Which meetings race on Saturday 17 October 2026?

Limerick and Leopardstown in Ireland, and Ascot, Catterick, Newton Abbot, Market Rasen, Stratford and Southwell in Britain. 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, 16 October 2026
Friday 16 October 2026 steamers and drifters: Go Out at Dundalk
The steamers and drifters since the morning market on 16 October 2026, the model's chance beside the opening show, and what backing early costs.
Thursday, 15 October 2026
Thursday 15 October 2026 steamers and drifters: Norfolk Blue at Brighton
The steamers and drifters since the morning market on 15 October 2026, the model's chance beside the opening show, and what backing early costs.
Wednesday, 14 October 2026
Wednesday 14 October 2026 steamers and drifters: Gingerbred at Ffos Las
The steamers and drifters since the morning market on 14 October 2026, the model's chance beside the opening show, and what backing early costs.
Monday, 12 October 2026
Monday 12 October 2026 steamers and drifters: Isle Of Lismore at Yarmouth
The steamers and drifters since the morning market on 12 October 2026, the model's chance beside the opening show, and what backing early costs.
Saturday, 10 October 2026
Saturday 10 October 2026 steamers and drifters: Riley Rocks at Southwell
The steamers and drifters since the morning market on 10 October 2026, the model's chance beside the opening show, and what backing early costs.
Friday, 9 October 2026
Friday 9 October 2026 steamers and drifters: Georgia's Charm at Chepstow
The steamers and drifters since the morning market on 9 October 2026, the model's chance beside the opening show, and what backing early costs.
Thursday, 8 October 2026
Thursday 8 October 2026 steamers and drifters: Kaito at Southwell
The steamers and drifters since the morning market on 8 October 2026, the model's chance beside the opening show, and what backing early costs.