
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 · Inheritance Tax Rise
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
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Andy Burnham to announce wealth tax before December 2026
UK Autumn Budget 2026: will an annual wealth tax be announced?
Will federal capital gains taxes be cut in 2026?
Rules
If the United Kingdom agrees to or announces an increase in any rate of inheritance tax, or a revenue-raising restriction of an inheritance tax relief or exemption before Dec 1, 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/kxukwealthtax-26dec01AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+2 more outcomes
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