So, the market had a pretty good day on Wednesday. The S&P 500 climbed 0.72% to close at 6,575.32. For a second session, optimism that the war with Iran might be winding down gave stocks a lift. It felt like maybe, just maybe, things were calming down.
But if you check the mood heading into Thursday, it's a different story. The crowd over on the Polygon-based prediction platform Polymarket (POL) is getting cautious. Really cautious. Their market for whether the S&P 500 will open up or down on April 2 is showing just a 5% chance for "Up." Early trading activity is building, and the sentiment is clearly leaning toward a lower open. It's a sharp turn from the optimism that closed out Wednesday.
Why That Number Matters
What changed? Sentiment did a sharp U-turn overnight. President Donald Trump signaled that the war could indeed continue, despite the earlier chatter about a ceasefire. While he said the U.S. is "getting very close" to ending it, he also warned that military action against Iran could intensify. That's the kind of mixed message that tends to spook markets more than a straightforward bad one.
The reaction was immediate in the commodity pits. Oil prices jumped, with WTI crude soaring more than 6% to above $106 a barrel. Brent crude followed suit, also rising over 6%. That's the market's way of pricing in renewed fears of supply disruption from a key oil-producing region. When geopolitics heat up, oil traders don't wait for an invitation to react.
And it's not just geopolitics on the docket. Investors are also watching for the initial jobless claims data for the week ending March 28, due out Thursday. It's the final trading day of the week before markets close for Good Friday. Then, the big March jobs report is scheduled for release on Friday morning. So there's plenty of economic data in the pipeline to move markets, on top of the headlines from the Middle East.
The Bull Countercase
To be fair, markets have shown some real resilience lately. Equities rose earlier in the week purely on the expectation that the conflict could de-escalate. The hope trade was in full effect.
But hope met reality overnight. The futures market is now pointing sharply lower. As of 5:07 AM ET, S&P 500 futures were down 1.12% at 6,543.50 points. That's a pretty clear indicator of where professional traders think we're headed at the opening bell.
For a bit of recent history: The S&P 500 opened Wednesday at 6,556.56, which was above Tuesday's close of 6,528.52. That earlier optimism around ceasefire talks gave premarket sentiment a boost. The Polymarket bet for April 1 actually resolved "Up," with traders correctly anticipating a higher open. That market saw $363,843 in traded volume. So, the crowd got it right yesterday. Today, they're betting heavily in the opposite direction.
It sets up a classic tension: the recent bullish momentum from hopeful headlines versus the fresh bearish pressure from renewed geopolitical risk and spiking oil prices. Will the resilience hold, or will the new fears take over? According to the folks putting real money on the line at Polymarket, the odds are overwhelmingly favoring the latter.