S&P 500 (SPX) Opens Up or Down on May 27?
Market price history
Rolling 7-day window of market YES price with the OU fair-price range overlay.
Not enough history yet for a chart.
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New points land on each refresh — check back shortly.
Market price
YES61¢ (61%)
NO39¢ (39%)
Latest refresh · prices in cents
Polymarket • Volume: $9.2K • Updated 1h agoCloses: 2026-05-27
Polymarket · Financials
OU's Pick
NO at 40¢ · pays 2.5×
Price gap
Polymarket40¢
→OU's fair40¢
Confidence
Low
Historical data shows the S&P 500 has a slight positive bias for opening higher than the previous close but no specific news for May 27 exists in the provided context.
Closes in11h
Off market consensus
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