Rows with target=mid that print Brier 0.0000 are arm A scored against its own mid price: zero by construction, a plumbing check, not a result.
show the full cell grid (96 cells)
Sealed pre-registration PREREG_2026-10-07. Each cell is one sport, segment, target and arm, scored on Brier and log loss; arm A is the venue YES mid (the reference), not a devigged price. A cell reads INSUFFICIENT until it holds 30 games. This export: 3 games, 724 ticks, 96 cells. Lower loss is better.
| sport | arm | cells | cells with ticks | most games in a cell | verdicts | detail |
|---|
| nba | A | 8 | 3 | 1 of 30 | INSUFFICIENT 8 | show 8 cells| segment | target | Brier | log loss | Brier minus A | ticks | games | verdict | reason |
|---|
| pre-live | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | pre-live | mid | 0.0000 | 0.6845 | - | 477 | 1 | INSUFFICIENT | arm A scored against its own mid price, so Brier 0.0000 by construction; not a result | | early | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | mid | 0.0000 | 0.6333 | - | 185 | 1 | INSUFFICIENT | arm A scored against its own mid price, so Brier 0.0000 by construction; not a result | | middle | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | mid | 0.0000 | 0.3707 | - | 62 | 1 | INSUFFICIENT | arm A scored against its own mid price, so Brier 0.0000 by construction; not a result | | late | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks |
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| nba | B_lag | 8 | 3 | 1 of 30 | INSUFFICIENT 8 | show 8 cells| segment | target | Brier | log loss | Brier minus A | ticks | games | verdict | reason |
|---|
| pre-live | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | pre-live | mid | 0.0000 | 0.6845 | 0.0000 | 477 | 1 | INSUFFICIENT | | | early | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | mid | 0.0000 | 0.6334 | 0.0000 | 185 | 1 | INSUFFICIENT | | | middle | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | mid | 0.0000 | 0.3707 | 0.0000 | 62 | 1 | INSUFFICIENT | | | late | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks |
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show 10 empty arms
| sport | arm | cells | cells with ticks | most games in a cell | verdicts | detail |
|---|
| nba | B | 8 | 0 | 0 of 30 | INSUFFICIENT 8 | show 8 cells| segment | target | Brier | log loss | Brier minus A | ticks | games | verdict | reason |
|---|
| pre-live | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | pre-live | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks |
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| nba | C | 8 | 0 | 0 of 30 | INSUFFICIENT 8 | show 8 cells| segment | target | Brier | log loss | Brier minus A | ticks | games | verdict | reason |
|---|
| pre-live | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | pre-live | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks |
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| nba | D | 8 | 0 | 0 of 30 | INSUFFICIENT 8 | show 8 cells| segment | target | Brier | log loss | Brier minus A | ticks | games | verdict | reason |
|---|
| pre-live | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | pre-live | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks |
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| nba | C_minus_B | 8 | 0 | 0 of 30 | INSUFFICIENT 8 | show 8 cells| segment | target | Brier | log loss | Brier minus A | ticks | games | verdict | reason |
|---|
| pre-live | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | pre-live | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks |
|
| ncaaf | A | 8 | 0 | 0 of 30 | INSUFFICIENT 8 | show 8 cells| segment | target | Brier | log loss | Brier minus A | ticks | games | verdict | reason |
|---|
| pre-live | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | pre-live | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks |
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| ncaaf | B | 8 | 0 | 0 of 30 | INSUFFICIENT 8 | show 8 cells| segment | target | Brier | log loss | Brier minus A | ticks | games | verdict | reason |
|---|
| pre-live | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | pre-live | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks |
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| ncaaf | C | 8 | 0 | 0 of 30 | INSUFFICIENT 8 | show 8 cells| segment | target | Brier | log loss | Brier minus A | ticks | games | verdict | reason |
|---|
| pre-live | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | pre-live | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks |
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| ncaaf | D | 8 | 0 | 0 of 30 | INSUFFICIENT 8 | show 8 cells| segment | target | Brier | log loss | Brier minus A | ticks | games | verdict | reason |
|---|
| pre-live | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | pre-live | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks |
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| ncaaf | B_lag | 8 | 0 | 0 of 30 | INSUFFICIENT 8 | show 8 cells| segment | target | Brier | log loss | Brier minus A | ticks | games | verdict | reason |
|---|
| pre-live | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | pre-live | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks |
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| ncaaf | C_minus_B | 8 | 0 | 0 of 30 | INSUFFICIENT 8 | show 8 cells| segment | target | Brier | log loss | Brier minus A | ticks | games | verdict | reason |
|---|
| pre-live | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | pre-live | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | early | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | middle | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | outcome | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks | | late | mid | - | - | - | 0 | 0 | INSUFFICIENT | no_eligible_ticks |
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- arm A:
- the venue mid at the tick, untouched (the reference every other arm is scored against)
- arm B:
- walk-forward fit on mid-only features over the state-complete population
- arm B_lag:
- the previous receipt's mid (a staleness control)
- arm C:
- walk-forward fit on the mid plus the sport's game-state features, same population as B
- arm D:
- C restricted to ticks where the pregame model is present; unavailable until a prior model row exists