Caty McNally vs. Iga Swiatek: Total Sets O/U 2.5
Probability
100¢
1h
+0.4pp
24h
+75.4pp
24h Vol
$144.43
Liquidity
$34.8K
Canonical status
confidence: highSource status (Polymarket)
Derived status (Orrery)
Reason
Upstream UMA resolution status is 'proposed'.
Resolution is awaiting UMA confirmation. Price may move sharply when it settles.
Resolution & Risk
MEDIUM risk- End date
- May 15, 2026
- UMA status
- proposed
- Resolution source
- Market type
- Binary
- UMA status: proposed
Probability (last 7 days)
+0.0pp 7dWhy did it move?
Structured · 3 factors- 01Price move
Up 75pp over 24h
Now 100¢; +0.4pp in the last hour.
- 02Active signal
Momentum observation firing
Probability moved up 75.4pp in 24h with 0.0× liquidity turnover and a tight spread.
- 03Active signal
Resolution-risk observation firing
UMA dispute is active — settlement uncertainty, not new directional information.
What to track next
- Verify the resolution source on this page — exchange feed, official release, news consensus — before treating any move as new information.
- Wait for the UMA proposal to settle (current status: proposed) — price moves now reflect oracle dynamics, not odds.
Verification actions only — never trade recommendations.
Each factor is grounded in a single named metric you can verify on this page — probability, volume, liquidity, signal, resolution state. No predictions, no prose hallucinations.
Resolution & Risk
MEDIUM risk- End date
- May 15, 2026
- UMA status
- proposed
- Resolution source
- Market type
- Binary
- UMA status: proposed
Timeline
critical · price · trade flowCritical
- 0s agoResolveLOW
Market resolves in 164.4h
- 12:36SignalHIGH
Momentum up
Probability moved up 75.4pp in 24h with 0.0× liquidity turnover and a tight spread.
- 12:36SignalLOW
Resolution risk
UMA dispute is active — settlement uncertainty, not new directional information.
Price movement
+75.4pp over the last 24h, now 100¢.
Active signals
Recent Trades
No recent trades visible from the Data API for this market. That usually means liquidity is thin or this market is between event windows.
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Market Description
This market refers to the tennis match between Caty McNally and Iga Swiatek in the Internazionali BNL d'Italia, originally scheduled for May 8, 2026 at 5:00AM ET. This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under." A super tie breaker is considered as one (1) set for total set markets. If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50. Resolution will be based on official WTA statistics.
Why this category?
confidence: highCategory
Source
Matched term
wta Reason
WTA-tour tennis tournament marker.
Categories come from a deterministic engine: manual overrides (highest priority) → sports hard markers → event-tag rules → keyword rules → Gamma category hint → default. The engine is versioned in category-overrides.ts; methodology lives at /methodology.
FAQ — questions readers actually ask
What is the current Polymarket probability for "Caty McNally vs. Iga Swiatek: Total Sets O/U 2.5"?
As of Fri, 08 May 2026 12:36:32 GMT, YES is priced at 100% implied probability on Polymarket. The price changed +75.4pp in the last 24 hours, +0.4pp in the last hour, and +0.0pp in the last 7 days.
When does this market resolve?
This market resolves by May 15, 2026 (2026-05-15T09:00:00.000Z). Resolution is determined from https://www.wtatennis.com/scores.
What source determines the outcome?
Resolution is sourced from https://www.wtatennis.com/scores. Polymarket's UMA optimistic oracle is the final settlement layer; if the published source is ambiguous, UMA tokenholders adjudicate. Source-extraction confidence is shown in the Resolution & Risk block above.
How much is being traded on this market?
$144.43 of trading volume in the last 24 hours. Lifetime volume on Polymarket: $144.43. Open liquidity in the YES/NO orderbooks: $34.8K. Spread between best bid and best ask: 0.1¢.
Is this a trade recommendation?
No. Orrery describes — never predicts. Every signal on this market carries explicit Evidence, Backtest, and Action tiers. The Action is always one of: Watch only, Inspect timeline, Create alert, Verify source, or Ignore — never Buy or Sell. The probability above is the market's collective implied probability, not a forecast Orrery is publishing.
How fresh is this data and where does it come from?
This page revalidates from the public Polymarket APIs every 30 seconds. Probability and 24h-change come from Gamma; the chart series comes from the CLOB orderbook history; trade and holder data come from the Data API. The fetched-at timestamp on each block tells you exactly how old the underlying upstream pull was.
Alerts
In-app banners fire as soon as a rule is satisfied. Email, Telegram, and Discord delivery are coming soon — every existing rule will keep working without changes.
