What is the current probability for "Cincinnati Open, Qualification: Christopher O'Connell vs Dane Sweeny"?

The contested Polymarket outcomes for "Cincinnati Open, Qualification: Christopher O'Connell vs Dane Sweeny" are Cincinnati Open, Qualification: Christopher O'Connell vs Dane Sweeny 76%, Cincinnati Open, Qualification: Christopher O'Connell vs Dane Sweeny Match O/U 21.5 75%, Cincinnati Open, Qualification: Christopher O'Connell vs Dane Sweeny Match O/U 23.5 75% — 5 of 15 outcomes are already 95%+. Refreshed continuously.

When does this market resolve?

This event resolves on 8/18/2026.

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/831420. 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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event15 outcomes

Cincinnati Open, Qualification: Christopher O'Connell vs Dane Sweeny

·Sports·ends Aug 18, 2026

vol cum

$268.3k

vol 24h

$231.6k

outcomes

ends

Aug 18, 2026

outcomesclick to inspect →

showing 5 of 15

TennisSportsGames

marketselected outcome

Cincinnati Open, Qualification: Christopher O'Connell vs Dane Sweeny Set 2 Winner

rank #1 · resolved: o'connell

100¢

vol cum

$270

vol 24h

$270

spread

0.00

ends

Aug 18, 2026

This market refers to the tennis match between Christopher O'Connell and Dane Sweeny in the Cincinnati Open, Qualification, originally scheduled for August 11, 2026 at 10:30AM ET. This market will resolve to “O'Connell” if Christopher O'Connell wins set 2. It will resolve to “Sweeny” if Dane Sweeny wins set 2. If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50. Resolution will be based on official ATP match statistics.

timeline

opened · Aug 11, 2026closedresolved · Aug 11, 2026

Cincinnati Open, Qualification: Christopher O'Connell vs Dane Sweeny Set 2 Winner · prices over time

−24h

now

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