TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 3, 4:00 PM EST
Polymarket
This market will resolve to "Up" if the official S&P 500 Index closing price for S&P 500 (SPX) on Wednesday, June 3, 2026 is higher than the official S&P 500 Index closing price for SPX on the most recent prior trading day. This market will resolve to "Down" if the official S&P 500 Index closing price for S&P 500 (SPX) on Wednesday, June 3, 2026 is lower than the official S&P 500 Index closing price for SPX on the most recent prior trading day. E.g., ordinarily, a market on Monday would refer to the previous Friday for its most recent closing price, unless that Friday were a market holiday, in which case it would refer to Thursday, or the next most recent trading day. If the two specified closing prices are exactly equal, this market will resolve 50-50. Note that all figures will be rounded to the nearest cent using standard rounding. If SPX does not trade at all during the regular session, the market will resolve 50-50. If either of the relevant days are shortened (for example, due to a market holiday schedule), the official closing price published by S&P 500 Index for that shortened session will still be used for resolution. If either of the relevant days have no official closing price (for example, due to a trading halt into the market close, system issue, delisting, or other disruption), the market will use the last valid on-exchange trade price of the regular session as the effective closing price. The resolution source for this market is the Wall Street Journal, specifically the Close values published by the WSJ under "Historical Prices". US: https://www.wsj.com/market-data/stocks EMEA: https://www.wsj.com/market-data/stocks/emea ASIA: https://www.wsj.com/market-data/stocks/asia
Prediction market odds on Polymarket reflect real-money consensus from traders, while traditional analyst forecasts rely on fundamental models and technical analysis. Markets often incorporate broader information faster than individual analyst reports, though both sources have merit. Comparing the implied probability from Polymarket to consensus economist views or equity strategist calls can reveal where the crowd diverges from institutional expectations. Significant gaps may highlight uncertainty or disagreement about macroeconomic conditions, Fed policy, or earnings momentum heading into June 3.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, the S&P 500 Up or Down event is priced as a binary contract where traders buy and sell shares representing each outcome. The price of each share reflects the market's probability estimate, ranging from 0 to 1 (or 0% to 100%). Traders profit by correctly predicting whether the index closes higher or lower on June 3. Liquidity and order flow on the platform determine how quickly prices move in response to new information, economic data, or market developments.
The market resolves at Jun 3, 2026, after the S&P 500 closes on June 3, 2026. The outcome is determined by comparing the closing price on that date to the previous trading day's close. If the index finishes higher, the Up outcome wins; if it finishes lower, the Down outcome wins. Resolution occurs once official closing data is confirmed and verified by the market operator.
Key catalysts include Federal Reserve communications, inflation or employment data releases, corporate earnings surprises, and geopolitical developments. Economic indicators such as jobless claims, PMI, or consumer spending reports can shift market sentiment in the days leading up to June 3. Central bank policy signals, interest rate expectations, and credit market stress also influence equity direction. Earnings announcements from major S&P 500 constituents and sector-specific news may drive volatility. Traders monitor these signals closely to adjust their positions and update probability estimates on Polymarket.