SPY (SPY) 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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Market price
YES57¢ (57%)
NO43¢ (43%)
Latest refresh · prices in cents
Polymarket • Volume: $9.5K • Updated 1h agoCloses: 2026-05-27
Polymarket · Financials
OU's Pick
NO at 43¢ · pays 2.3×
Price gap
Polymarket43¢
→OU's fair48¢
+5¢ underpriced · pays 2.3×
Confidence
Moderate
The S&P 500 closed at a record high of 750.01 on May 26 and historical hourly data shows a slight positive bias for the morning session on the following day.
Closes in11h
Off market consensus
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