What is the current probability for "US Open, Qualification ATP: Taro Daniel vs Andrew Johnson"?

The contested Polymarket outcomes for "US Open, Qualification ATP: Taro Daniel vs Andrew Johnson" are US Open, Qualification ATP: Taro Daniel vs Andrew Johnson Match O/U 23.5 63%, US Open, Qualification ATP: Taro Daniel vs Andrew Johnson Total Sets: O/U 2.5 51%, Completed Match 50% — 2 of 17 outcomes are already 95%+. Refreshed continuously.

When does this market resolve?

This event resolves on 9/1/2026.

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/898610. 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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event17 outcomes

US Open, Qualification ATP: Taro Daniel vs Andrew Johnson

·Sports·ends Sep 1, 2026

vol cum

$147.7k

vol 24h

$72.5k

outcomes

ends

Sep 1, 2026

outcomesclick to inspect →

showing 5 of 17

TennisSportsGames

marketselected outcome

US Open, Qualification ATP: Taro Daniel vs Andrew Johnson Set 1 Winner

rank #1 · resolved: daniel

100¢

▲ 20.5pp

24h change

vol cum

$21

vol 24h

$21

spread

0.00

ends

Sep 1, 2026

This market refers to the tennis match between Taro Daniel and Andrew Johnson in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to “Daniel” if Taro Daniel wins the first set. It will resolve to “Johnson” if Andrew Johnson wins the first set. If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled (not played at all) or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official Grand Slam match statistics.

timeline

opened · Aug 23, 2026closedresolved · Aug 25, 2026

US Open, Qualification ATP: Taro Daniel vs Andrew Johnson Set 1 Winner · prices over time

−24h

now

volume · by outcomehover a column to inspect

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