PolymarketOpenSports

Queretaro: Tatjana Maria vs Fiona Ferro

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Implied probability

99.9%

99.9¢ per contract

1 hour: +9.4 pts up
24 hours: —
7 days: —

Polymarket

Market statistics

24h volume: $305K
Total volume: $208K
Liquidity: $915K
Open interest: —
Spread: 0.1¢
Best bid / ask: 100¢ / 100¢
Closes: Nov 7, 19:00 ET
Status: open

Hourly volume

Order book

Executable asks for both outcomes, deepest first

Order book unavailable

The venue did not return resting depth for this contract. Quotes and history above are unaffected.

Why is this moving?

Evidence-grounded explanation

Explanation pending

An evidence-grounded explanation is written once this market gathers enough confirmed price and trade evidence. Every number on this page is already live.

Event timeline

Reconstructed from snapshots and trades

20:43 ET EDT
Large Polymarket NO execution: $5,721 at 71%
21:06 ET EDT
Large Polymarket YES execution: $8,800 at 88%
21:45 ET EDT
Polymarket moves 56% → 79%
21:55 ET EDT
Polymarket moves 77% → 89%
21:55 ET EDT
Large Polymarket YES execution: $4,639 at 90%
22:00 ET EDT
Polymarket moves 89% → 84%
22:09 ET EDT
Large Polymarket YES execution: $88,294 at 100%
22:25 ET EDT
Polymarket moves 84% → 100%

Largest recent trades

By notional value

Market	Time	Side	Price	Size	Notional	Before	+5 min	Move	Impact
Queretaro: Tatjana Maria vs Fiona FerroSports · Polymarket ↗	22:09 ET3 h ago	Tatjana Maria sell	99.9%	88K	$88,294	96.5%	99.9%	+3.4 pts up	Exceptional
Queretaro: Tatjana Maria vs Fiona FerroSports · Polymarket ↗	21:55 ET3 h ago	Tatjana Maria sell	90.1%	5.1K	$4,639	—	—	—	Normal
Queretaro: Tatjana Maria vs Fiona FerroSports · Polymarket ↗	21:39 ET3 h ago	Fiona Ferro buy	50.0%	8.1K	$4,074	—	—	—	Normal
Queretaro: Tatjana Maria vs Fiona FerroSports · Polymarket ↗	21:06 ET4 h ago	Tatjana Maria sell	88.0%	10.0K	$8,800	85.5%	93.5%	+8.0 pts up	Exceptional
Queretaro: Tatjana Maria vs Fiona FerroSports · Polymarket ↗	20:43 ET4 h ago	Fiona Ferro buy	71.0%	8.1K	$5,721	—	—	—	Normal

Most price-impactful trades

Ranked by realised movement adjusted for liquidity — not the same as the largest

Market	Time	Side	Price	Size	Notional	Before	+5 min	Move	Impact
Queretaro: Tatjana Maria vs Fiona FerroSports · Polymarket ↗	21:06 ET4 h ago	Tatjana Maria sell	88.0%	10.0K	$8,800	85.5%	93.5%	+8.0 pts up	Exceptional
Queretaro: Tatjana Maria vs Fiona FerroSports · Polymarket ↗	22:09 ET3 h ago	Tatjana Maria sell	99.9%	88K	$88,294	96.5%	99.9%	+3.4 pts up	Exceptional

Matched market

No equivalent contract found

No contract on the other venue currently matches this one closely enough to compare. Matching re-runs hourly as new markets list.

Resolution

This market refers to the tennis match between Tatjana Maria and Fiona Ferro in the Queretaro, originally scheduled for October 31, 2026 at 8:00PM ET. This market will resolve to 'Tatjana Maria' if Tatjana Maria advances against Fiona Ferro. This market will resolve to 'Fiona Ferro' if Fiona Ferro advances against Tatjana Maria. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.

Source: https://www.wtatennis.com/scores

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Implied probability is derived from live quotes and does not include fees. Volume and liquidity are reported as each venue publishes them and are not directly comparable between venues.