SPY (SPY) Up or Down on May 18?

Ends May 18, 2026 · Volume: $288K · 24h: $288K · Updated May 18, 2026 at 20:05 UTC
PredScope Signal: Wide Open

No clear favorite. SPY (SPY) Up or Down on May 18? leads at just 8%. Many possible outcomes.

🔥 Surging 24h volume is 100% of total — extremely active trading
# Outcome Probability If Right Volume
1 SPY (SPY) Up or Down on May 18? 8% +1083% $289K
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Quick Math — $100 on SPY (SPY) Up or Down on May 18?
Buy Price
$0.08
If Right
+$1083.43
Return
+1083%
If wrong, you lose your $100 investment. Prediction markets carry risk.

This market will resolve to "Up" if the Close price for S&P 500 (SPY) on May 18, 2026 is higher than the Close price for S&P 500 (SPY) on the most recent prior trading day. This market will resolve t...

Total Volume
$288K
Liquidity
$1K

FAQ

What are the current odds for SPY (SPY) Up or Down on May 18??

As of May 18, 2026 at 20:05 UTC, the leading outcome is SPY (SPY) Up or Down on May 18? at 8% probability, with $288K in total trading volume on Polymarket.

How much money is bet on SPY (SPY) Up or Down on May 18??

The total trading volume for this market is $288K, with $288K traded in the last 24 hours. This represents real money at stake from prediction market traders on Polymarket.

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