S&P 500 (SPX) Up or Down on May 27?
Market price history
Rolling 7-day window of market YES price with the OU fair-price range overlay.
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Market price
YES56¢ (56%)
NO44¢ (44%)
Latest refresh · prices in cents
Polymarket • Volume: $12.4K • Updated 1h agoCloses: 2026-05-27
Polymarket · Financials
OU's Pick
NO at 44¢ · pays 2.3×
Price gap
Polymarket44¢
→OU's fair48¢
+4¢ underpriced · pays 2.3×
Confidence
Moderate
The S&P 500 closed at 7,519.12 on May 26 and historical intraday momentum often carries over into the following session during periods of positive sentiment.
High volume$12k
Closes in11h
Off market consensus
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