
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 · Before Jan 1, 2028
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Ukraine election called by which date?
Sweden snap election called in 2026?
Another Canada election called by which date?
French election called by which date?
Will Rishi Sunak still be an MP by the time the next general election is called?
Will a new legislative election be called in France in 2026?
Rules
If a writ for a UK parliamentary by-election is issued by the relevant Clerk of the Crown after Issuance and before Jan 1, 2028, then the market resolves to Yes.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/kalshi/kxukbyelection-28AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+49 more outcomes
+17 more outcomes
+42 more outcomes
+1 more outcomes