Part of event: Tampa Bay Rays vs. Detroit Tigers · mlb-tb-det-2026-08-26
Market structure and 24h change as reported by Polymarket's public API.
Top of book
Best bid
0.040
Best ask
0.080
Spread
50% of mid
3.00 pts
As reported by Polymarket's public API at 18:42 UTC; top of book, not full depth; per-side depth not shown. The spread is shown against the midpoint of the two quotes above, which is arithmetic on the venue's figures, not a figure the venue reports.
Volume
24h volume
$294,079
Total volume
$294,079
Volume as reported by Polymarket's public API.
Resolution rules
Rules as stated by Polymarket, reproduced verbatim. Convexly has not independently reviewed them and does not endorse them; the rating's resolution-reliability pillar treats rule text as present but not independently reviewed.
In the upcoming MLB game between the Tampa Bay Rays and Detroit Tigers, scheduled for August 26 at 1:10 PM ET: This market will resolve to "Over" if the Tampa Bay Rays and Detroit Tigers combine to score 9 or more runs in this game. If the combined total is less than 9, this market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.Show the full rules textHide the full rules text
In the upcoming MLB game between the Tampa Bay Rays and Detroit Tigers, scheduled for August 26 at 1:10 PM ET: This market will resolve to "Over" if the Tampa Bay Rays and Detroit Tigers combine to score 9 or more runs in this game. If the combined total is less than 9, this market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Resolution mechanics
Resolution parameters as stated by Polymarket.
- Resolved by (UMA adapter)
- 0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7
- Proposer bond
- $250 proposer bond
- Proposer reward
- $1 proposer reward
- Stated resolution source
- https://www.mlb.com/scores
Market Trust diagnostic · v0.2 candidate
Tampa Bay Rays vs. Detroit Tigers: O/U 8.5
This market is not in the v0.1 daily card set yet. The v0.2 diagnostic scorecard below shows the per-pillar contribution from the latest materializer run, with visible caveats and evidence-status separation.
Why this rating
Why this rating
Composite 68 · Discount
Measurement certainty
Low
3 measured · 3 modeled · 0 not assessed
Certainty reflects how much of this market we measured, not how good the market is.
- CoherenceModeled estimatefixed rules, not a per-market measurementweight 25.0
No full-provenance CME signal is linked to this condition in the current ledger window; absence of a signal is not proof of coherence.
- · no linked cme signal in window
- · absence of signal not proof of coherence
- · cme signal window days: 7
- · recent full provenance signals: 20
50+15.6 - ExecutabilityMeasuredweight 20.0
Executability scored as worse-of(spread, depth) from a single orderbook snapshot; the two were merged from the former liquidity + depth pillars to stop double-counting one correlated source.
- · executability worse of spread depth
- · spread: top-of-book spread 2.0c
- · spread: pp-band-to-cents-band approximation in effect (depth_5pct_usd/2 per side); per-side decomposition pending substrate work
- · spread: scorer_version:M2
75+18.8 - Resolution reliabilityModeled estimatefixed rules, not a per-market measurementweight 20.0
Resolution source and rule text are present but not independently reviewed.
- · resolution metadata present manual review pending
70+17.5 - Participant flowMeasuredreported without a scoreweight 20.0
11/22 accounts identifiable; identity coverage 71%; top-account flow share 48%; net directional flow net buy 100%. Descriptive participant flow only; not a skill or smart-money signal.
- · below publishable sample floor
- · edge score composite descriptive not skill
- · high participant concentration
- · unknown or low sample flow present
no scoreno contrib - Integrity-risk screenModeled estimatefixed rules, not a per-market measurementweight 10.0
One or more screen indicators flagged at a low level. A reason to look, not a finding about anyone.
- · top-3 wallets control 80% of notional flow
- · flow events: 36
- · distinct wallets: 22
- · wash round trips: 0
75+9.4 - Audit completenessMeasuredweight 5.0
31 linked artifacts; 0 missing hashes; 0 stale/failing sources.
- · artifact hashes present
- · source watermarks healthy
100+6.3
How it adds up: composite = Σ(score × weight) / Σ(weight) across measured + heuristic pillars only. Pending and data-rights-blocked pillars are excluded from both numerator and denominator. Total contributing weight = 80.0.
Structural coherence read
The Coherent Markets Engine checks this market's pricing for structural inconsistencies against related markets. Whether a current signal exists, and its construction, is included with Researcher.
See ResearcherMarket opened 2026-08-25 · minimum order size 5 shares · price tick size 0.010 · as stated by Polymarket.