S&P 500 (SPX) Up or Down on May 18?

Name: S&P 500 (SPX) Up or Down on May 18?
End: 2026-05-18T20:00:00Z

Ends May 18, 2026 · Volume: $214K · 24h: $214K · Updated May 18, 2026 at 20:05 UTC

PredScope Signal: Wide Open

No clear favorite. S&P 500 (SPX) Up or Down on May 18? leads at just 7%. Many possible outcomes.

🔥 Surging 24h volume is 100% of total — extremely active trading

#	Outcome	Probability	If Right	Volume
1	S&P 500 (SPX) Up or Down on May 18?	7%	+1308%	$215K

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Quick Math — $100 on S&P 500 (SPX) Up or Down on May 18?

Buy Price

$0.07

If Right

+$1308.45

Return

+1308%

If wrong, you lose your $100 investment. Prediction markets carry risk.

This market will resolve to "Up" if the official S&P 500 Index closing price for S&P 500 (SPX) on Monday, May 18, 2026 is higher than the official S&P 500 Index closing price for SPX on the most recen...

Total Volume

$214K

Liquidity

$3K

FAQ

What are the current odds for S&P 500 (SPX) Up or Down on May 18??

As of May 18, 2026 at 20:05 UTC, the leading outcome is S&P 500 (SPX) Up or Down on May 18? at 7% probability, with $214K in total trading volume on Polymarket.

How much money is bet on S&P 500 (SPX) Up or Down on May 18??

The total trading volume for this market is $214K, with $214K traded in the last 24 hours. This represents real money at stake from prediction market traders on Polymarket.