
This market resolved: Up
Resolved: Apr 1, 2026, 6:27 AM
Provider-verified resolution
CoinRithm has provider-backed winner and settlement-time evidence for this market.
Trends
Rules
This market will resolve to "Up" if the Close price for SPDR S&P 500 ETF Trust (SPY) on March 31, 2026 is higher than the Close price for SPDR S&P 500 ETF Trust (SPY) on the most recent prior trading day.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/spy-up-or-down-on-march-31-2026AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+2 more outcomes
+2 more outcomes
+89 more outcomes
+1 more outcomes
+1 more outcomes
+11 more outcomes