
Chart and changes show stored historical probabilities, not the selected live book.
Trends
Selected row: book midpoint. Other rows: stored references, possibly normalized; 24h changes use stored history.
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
Market depth · Rank 1 to 2
Loading selected book…
—
Related Markets
Related questions for context, not a comparison of equivalent contracts.
"Housewife" by Tate McRae · Billboard Hot 100 rank (Oct 31, 2026)
Chappell Roan scores Billboard #1 single in 2026?
Olivia Rodrigo: Highest daily view count (October 12, 2026 - October 18, 2026)
#1 on the Billboard Hot 100 chart for the Week of Oct 24, 2026?
Taylor Swift Top 10 Spots — Billboard Hot 100 (Oct 24, 2026)
Billboard Hot 100 #1 Song Week of October 24
Rules
If "expectations" by Olivia Rodrigo & Chappell Roan ranks between No. 1 and No. 2, inclusive on the Billboard Hot 100 for the chart dated Oct 31, 2026, then the market resolves to Yes.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/kalshi/kxbbsingle-26oct31expAI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+17 more outcomes
+15 more outcomes
+38 more outcomes
+9 more outcomes
+10 more outcomes
+97 more outcomes