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National Bank Open: Coco Gauff vs Elena Rybakina

How the prediction markets are pricing "National Bank Open: Coco Gauff vs Elena Rybakina" — Polymarket mid plus comparison with Betfair and Manifold.

National Bank Open: Coco Gauff vs Elena Rybakina Set 1 O/U 8.5 71% National Bank Open: Coco Gauff vs Elena Rybakina Match O/U 21.5 56% National Bank Open: Coco Gauff vs Elena Rybakina 55% National Bank Open: Coco Gauff vs Elena Rybakina Set 2 Winner 54% Volume: $95K Liquidity: $536K Closes: 20 Aug 2026
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National Bank Open: Coco Gauff vs Elena Rybakina

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Oscar Predictions 2026) Pick
polygram.ink (preferred broker)
71% 29% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Trade this market →
Polymarket (direct)
polymarket.com
71% 29% 0% Geo-blocked in US/UK/EU USDC, on-chain Trade this market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Trade this market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Trade this market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Trade this market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
National Bank Open: Coco Gauff vs Elena Rybakina Set 1 O/U 8.571%
National Bank Open: Coco Gauff vs Elena Rybakina Match O/U 21.556%
National Bank Open: Coco Gauff vs Elena Rybakina55%
National Bank Open: Coco Gauff vs Elena Rybakina Set 2 Winner54%
National Bank Open: Coco Gauff vs Elena Rybakina Set 1 Winner54%
Completed Match50%
National Bank Open: Coco Gauff vs Elena Rybakina Set 2 O/U 8.550%
National Bank Open: Coco Gauff vs Elena Rybakina Set 2 O/U 9.550%
National Bank Open: Coco Gauff vs Elena Rybakina Set 1 O/U 9.550%
National Bank Open: Coco Gauff vs Elena Rybakina Set 2 O/U 10.550%
National Bank Open: Coco Gauff vs Elena Rybakina Match O/U 22.549%
National Bank Open: Coco Gauff vs Elena Rybakina Match O/U 23.545%
National Bank Open: Coco Gauff vs Elena Rybakina Total Sets: O/U 2.543%
National Bank Open: Coco Gauff vs Elena Rybakina Set Handicap +/-1.533%
National Bank Open: Coco Gauff vs Elena Rybakina Set 1 O/U 10.526%

Market context

Live Polymarket data shows 71% YES probability for National Bank Open: Coco Gauff vs Elena Rybakina. This market refers to the tennis match between Coco Gauff and Elena Rybakina in the National Bank Open, originally scheduled for August 12, 2026 at 8:30PM ET. This market will resolve to 'Coco Gauff'…

Methodology

Entertainment-specific comparison page for National Bank Open: Coco Gauff vs Elena Rybakina. Polymarket's live quote (Polygon order book) shows the award probability. For awards markets, Polymarket usually has the deepest liquidity; Betfair runs comparable markets for Oscars/Emmys; Manifold for Eurovision.

Resolution & payout

Entertainment markets settle on official award ceremony or show end. Polymarket uses UMA Optimistic Oracle with a source URL to the official award website. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

When do award markets resolve?
After the official announcement — e.g. Oscars ceremony end for Academy Awards markets, Eurovision final end for ESC markets. UMA Optimistic Oracle typically uses the official award website as the resolution source.
What was the top Oscar 2025 market?
Best Picture, with ~$2.8M volume on Polymarket. "Anora" started as an underdog at ~8% and closed at ~62% before the ceremony — the biggest single Oscar market swing since 2019.
Who can trade Eurovision markets?
Polymarket is globally accessible but geo-blocked in select jurisdictions — traders there use broker frontends with a different geo footprint to reach the order book. Eurovision markets have strong European liquidity; German/Austrian/Swiss flow often drives consensus.
How are reality-TV outcomes verified?
UMA Oracle uses the official show website or producer statement as the resolution source. Very narrowly defined markets (e.g. "Will X be voted off the island?") rely on the official show notes.
Is entertainment trading worth the effort?
Niche, but lucrative for experts. Award markets have fewer informed traders than political markets; combining industry expertise (film, music) with active research often surfaces mispricings. Volume cap: large bets move the market.
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Related Topics

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