So, the market just had one of those days. You know the kind—where everything clicks, sentiment flips, and stocks go on a tear. The S&P 500 did exactly that on Tuesday, jumping 2.91% to close at 6,528.52. That wasn't just a good day; it was the index's best single-day performance since May. The catalyst? A sudden, powerful wave of hope that the war in Iran might actually be winding down.
Now, with the afterglow of a big rally still in the air, everyone's asking the obvious question: can it continue? According to the crowd over on the Polygon-based prediction platform Polymarket, the answer is a tentative "yes." Heading into Wednesday, their market shows 79% of traders are betting the S&P 500 will open higher. It's worth noting the odds were sitting comfortably above 80% earlier, so there's been a slight cooling of enthusiasm overnight, but the bullish lean is still clear.
Why That Number Matters
Tuesday's explosive move wasn't random. It was a classic relief rally, the kind you get when a major geopolitical overhang starts to look lighter. The optimism was sparked by comments from President Donald Trump, who said U.S. forces could leave Iran within "two or three weeks." Reports also suggested Tehran might be open to ending the war under certain conditions. When markets have been beaten down by uncertainty, even hints of peace can trigger a powerful bounce.
But here's the thing keeping a lid on the pure euphoria: oil. While stocks partied, Brent crude oil settled near multi-year highs, still above $118 a barrel. That price screams ongoing supply concerns and lingering risk. It's a reminder that the fundamental pressure from the conflict hasn't just vanished overnight.
The rally also provided a much-needed bright spot at the end of a rough period. It capped a difficult March where the S&P 500 fell more than 5%, and it helped soften the blow of a negative quarter. Now, with the calendar flipped to April and the second quarter underway, the market's attention is pivoting. The macro picture is back in focus. On Wednesday, investors will digest a batch of key economic data—ADP employment figures, ISM manufacturing data, and retail sales numbers—all of which will offer fresh clues about the strength of the economy and, by extension, what the Federal Reserve might do next.
The Bull Case
So, what's the setup for Wednesday? The early signals are modestly positive. As of 4:17 AM ET, S&P 500 futures were up 0.38% to 6,595.50 points. It's not a huge move, but it suggests the positive momentum from Tuesday's close hasn't fully dissipated.
The market has shown it's hypersensitive to any sign of de-escalation. Tuesday's surge was essentially a giant sigh of relief after weeks of declines driven by spiking oil prices. If the peace narrative holds or improves, that relief could continue to support prices.
As the new quarter gets rolling, corporate news will also start to filter in. Wall Street will be watching for earnings from Conagra (CAG) and Cal-Maine Foods (CALM).
For those keeping score on the prediction markets, the previous bet played out nicely for the bulls. The S&P 500 opened Tuesday at 6,395.88, above the prior close of 6,343.72, as pre-market optimism took hold. The March 31 Polymarket bet resolved "Up," with $193,412 in traded volume. It was a win for the optimists. Now, with 79% betting on another up open, they're trying to make it two in a row.
