What is the current probability for "Sloane Stephens vs Janice Tjen: Set 1 Winner"?

Current Kalshi odds for "Sloane Stephens vs Janice Tjen: Set 1 Winner": Janice Tjen 64%, Sloane Stephens 37% (top 2 of 2 outcomes), refreshed continuously.

When does this market resolve?

This event resolves on Sep 29, 2026.

How is the probability calculated?

pdata reads the latest market prices directly from kalshi'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/kalshi/KXWTASETWINNER-26SEP15STETJE-1. An MCP server with 9 tools is available at https://api.pdata.world/mcp. Full agent guide: https://pdata.world/agents.md.

opentrade on Kalshi

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event2 outcomes

Sloane Stephens vs Janice Tjen: Set 1 Winner

·Sports·ends Sep 29, 2026

vol cum

$258.1k

vol 24h

$257.4k

outcomes

ends

Sep 29, 2026

outcomesclick to inspect →

marketselected outcome

Janice Tjen

rank #1

64¢

▲ 7.0pp

24h change

vol cum

$92.1k

vol 24h

$92k

spread

0.02

ends

Sep 29, 2026

If Janice Tjen wins set 1 in the Sloane Stephens vs Janice Tjen professional tennis match in the 2026 WTA Guadalajara Round Of 16, then the market resolves to Yes.

timeline

opened · Sep 14, 2026opencloses · Sep 29, 2026

Janice Tjen · prices over time

−24h

now

volume · by outcomehover a column to inspect

no volume history

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