What is the current probability for "National Bank Open: Martin Damm vs Stefanos Tsitsipas"?

Current Polymarket odds for "National Bank Open: Martin Damm vs Stefanos Tsitsipas": National Bank Open: Martin Damm vs Stefanos Tsitsipas Match O/U 21.5 73%, National Bank Open: Martin Damm vs Stefanos Tsitsipas Set 1 O/U 9.5 69%, National Bank Open: Martin Damm vs Stefanos Tsitsipas Match O/U 22.5 62% (top 3 of 16 outcomes), refreshed continuously.

When does this market resolve?

This event resolves on 8/10/2026.

How is the probability calculated?

pdata reads the latest market prices directly from polymarket's public API and normalizes them to a 0-100 probability scale. See https://pdata.world/methodology for details on per-platform conventions.

Where can I get this data programmatically?

The JSON endpoint is https://api.pdata.world/api/v1/events/polymarket/784635. An MCP server with 9 tools is available at https://api.pdata.world/mcp. Full agent guide: https://pdata.world/agents.md.

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event16 outcomes

National Bank Open: Martin Damm vs Stefanos Tsitsipas

·Sports·ends Aug 10, 2026

vol cum

$17.4k

vol 24h

$17.4k

outcomes

ends

Aug 10, 2026

outcomesclick to inspect →

showing 5 of 16

TennisSportsGames

marketselected outcome

National Bank Open: Martin Damm vs Stefanos Tsitsipas Match O/U 21.5

rank #1

73¢

· 0.0pp

24h change

vol cum

vol 24h

spread

0.08

ends

Aug 10, 2026

This market refers to the tennis match between Martin Damm and Stefanos Tsitsipas in the National Bank Open, originally scheduled for August 3, 2026 at 10:00AM ET. This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to "Under." All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total. 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 ATP statistics.

timeline

opened · Aug 2, 2026opencloses · Aug 10, 2026

National Bank Open: Martin Damm vs Stefanos Tsitsipas Match O/U 21.5 · prices over time

−24h

now

volume · by outcomehover a column to inspect

no volume history

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No similar markets for sports & price markets.