Will S&P 500 Open Up Or Down On May 18? Here's How Polymarket Traders Lean As UAE Nuclear Plant Strike Sends Oil Past $110

The S&P 500 is facing intense downward pressure heading into Monday’s session. The index recently closed above the 7,500 level for the first time on Thursday, marking a record of 7,501.24, but momentum stalled on Friday. Now, fresh geopolitical shocks over the weekend have sparked a global market slide.
The Polygon-based (CRYPTO: POL) Polymarket crowd is overwhelmingly betting on a lower open for Monday, May 18. The market shows merely a 6% chance of an “Up” open, reflecting a massive 44% drop in bullish confidence.

Why That Number Matters
Geopolitical tensions skyrocketed after a drone strike triggered a fire near the UAE’s Barakah nuclear power facility over the weekend. While authorities confirmed there was no radiation leak, the International Atomic Energy Agency urged “maximum milita