Polymarket gives the S&P a 40.5% chance of finishing above 8,000, even after a volatile few weeks.
That is slightly higher than the 39% probability the market showed on August 12. Since then, the path has gotten more volatile, but today’s rally has brought the index back closer to the level that originally supported the 8,000 case.
SPX closed September 2 at 7,666.60, but the index is up today and back near the 7,700s. From here, 8,000 is only a few percentage points away with nearly four months left in the year.
S&P 500 Yearly Return Odds
Here’s what Polymarket is currently pricing:
The board is still leaning bullish
The year-end market is split into six brackets based on where the S&P closes on December 31.
The key thing is that Polymarket has not just kept the Above 8,000 contract elevated. It has also reduced the probability of the deeper downside outcomes.
On August 12, the three brackets below 7,000 combined for roughly 25%. Today they add up to about 21%. So the market is increasingly leaning toward a year-end finish closer to current levels or higher.
That is notable because the past few weeks have included a pullback in stocks, higher oil prices and a sharp increase in the probability of a September Fed hike.
Fed risk is still the biggest variable
The September FOMC meeting has become much more uncertain.
After Kevin Warsh’s Jackson Hole comments, Polymarket’s September hike odds jumped from around 30% to above 50% and briefly reached 58%.
Since then, softer employment data and more cautious Fed commentary have brought those odds back down.
That matters because the S&P’s path to 8,000 probably depends heavily on what happens next with rates.
If the Fed holds and the labor market cools without breaking, the market gets a pretty favorable setup: less pressure from yields, no new tightening and continued support from mega-cap earnings.
If the Fed hikes, the hurdle gets much harder. That is why the 40.5% price on Above 8,000 feels reasonable but not cheap.
Latest rally helps the bullish case
Today’s move is important because it brings the index back toward its mid-August highs.
The farther SPX moves back into the 7,700s, the less demanding the 8,000 target becomes.
A 3% to 4% rally over the final four months of the year is not a huge move for an index that is already up strongly in 2026 and has made repeated record highs.
The bullish case is also still being supported by large-cap tech. Nvidia and the broader AI trade continue to provide earnings growth that helps offset some of the macro pressure coming from rates and energy.
So I would not look at 40.5% and say Polymarket is being wildly optimistic.
The better question is whether the upside is more attractive than the middle of the distribution.
The trade
The 7,500–8,000 range at around 21.5% is the contract I like most.
With the S&P back in the high-7,700s, that bracket does not require much to go right or wrong. The index can finish modestly lower, trade sideways for the next few months, or even rally a bit and still settle inside the range.
At 21.5%, you are getting roughly a 4.7-to-1 payout on what I think is a pretty reasonable base case.
Above 8,000 requires the rally to keep extending, while 7,000–7,500 needs a more meaningful correction. The 7,500–8,000 bracket sits between those two and fits a scenario where the Fed stays cautious, oil remains elevated and stocks simply struggle to make another large leg higher.
I also like that the trade does not depend on calling the September Fed meeting perfectly. A hold can still leave the S&P range-bound, and even a hike does not automatically mean a major selloff. You are essentially betting that the next four months are more sideways than explosive.
The main risk is a clean breakout. If payrolls soften, hike odds collapse and yields fall, SPX could make a quick run through 8,000. On the other side, a genuine growth scare or renewed inflation shock could push the index below 7,500.
But at around 21.5¢, I would rather bet on the S&P finishing between 7,500 and 8,000 than chase either tail.
Not financial advice.
