Market Form Morning Brief: Thursday 17 September 2026
Thursday 17 September 2026 · bookmaker prices only · historical context from the Market Form database.
Official non-runner price effects are measured and removed from signal calculations. Genuine market movement before and after each withdrawal is retained.
1. The market in 60 seconds
Strongest support: What A Girl Wants — 02:38 Pontefract · 4/1 → 9/4 · +10.77pp.
Biggest drift: Elyatta — 04:25 Naas · 2/1 → 9/2 · -15.15pp.
2. Three moves you need to know
Strongest support recorded across 5 previous 10am market snapshots.
Historical percentile: 100th.
Trainer context: Nigel Tinkler has a baseline win rate of 7.4%. At 10pp+ support by 1pm, that record is 2/12 (16.7%) — an uplift of +9.3 points.
Strongest support recorded across 9 previous 10am market snapshots.
Historical percentile: 100th.
Trainer context: Michael Herrington has a baseline win rate of 16.4%. At 5pp+ support by 1pm, that record is 11/53 (20.8%) — an uplift of +4.4 points.
Strongest support recorded across 3 previous 10am market snapshots.
Historical percentile: 100th.
Trainer context: Noel Meade has a baseline win rate of 8.8%. At 5pp+ support by 1pm, that record is 5/24 (20.8%) — an uplift of +12 points.
3. The market warning
Largest drift recorded across 4 previous 10am market snapshots.
Historical percentile: 100th.
A drift is not automatically a lay. The point is whether today's weakness resembles the markets in which this horse has previously failed — or whether it has historically ignored market weakness.
4. Trainer money: which yards are attracting support?
Strongest: Cudawudashuda (03:52 Naas) at +4.81pp.
Strongest: What A Girl Wants (02:38 Pontefract) at +10.77pp.
Yard baseline: 7.4%. When receiving 10pp+ support by 1pm: 2/12 won (16.7%).
Strongest: Irish Nectar (02:08 Pontefract) at +8.81pp.
Yard baseline: 16.4%. When receiving 5pp+ support by 1pm: 11/53 won (20.8%).
5. The race everyone should open
This is the most active race in the 9am snapshot: 4 meaningful market signals, including 2 supported and 2 drifting runners.
Key market activity: Wecouldavehaditall (+4.27pp) · Old Joanie (-5.19pp) · Highest Order (+4.27pp) · Elyatta (-15.15pp).
6. The historical signal of the morning
Today's move sits in the 100th historical percentile for this horse at the comparable morning stage. Only 0 of 4 previous runs produced a stronger move.
7. What to watch before 1pm
- What A Girl Wants — if support reaches 15pp+, this yard's historical win rate rises to 66.7%.
- Irish Nectar — watch whether the early move holds, strengthens or gives ground back as more bookmaker money arrives.
- Ballymackney — if support reaches 10pp+, this yard's historical win rate rises to 22.2%.
Every runner. Live bookmaker prices. Historical market comparisons. Trainer behaviour. Delivery levels. The full market journey as it develops through the day.
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