TOTAL VOLUME:
$154.4b
24H VOL:
$230,589,906
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,885,293,300
410,482
Markets across
40,213
events
MATCHED EVENTS:
4,340
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 23, 11:14 PM EST
Opinion
An "↑" market resolves to "Yes" if the official daily "High" for SPY (SPY) is at or above the price specified in the market at any point inside the window; an "↓" market resolves to "Yes" if the official daily "Low" is at or below the specified price. Boundary touches count. Markets whose level is never reached before the deadline resolve "No". In the event of a stock split, reverse stock split, or similar corporate action affecting SPY (SPY), these markets resolve on split-adjusted prices, and the price specified in each market is adjusted proportionally. The resolution source for this market is Yahoo Finance, specifically the SPY (SPY) daily price data available at https://finance.yahoo.com/quote/SPY/. If that data is unavailable due to an outage or other technical disruption, the official price published by the primary exchange on which SPY (SPY) trades governs.
An "↑" market resolves to "Yes" if the official daily "High" for SPY (SPY) is at or above the price specified in the market at any point inside the window; an "↓" market resolves to "Yes" if the official daily "Low" is at or below the specified price. Boundary touches count. Markets whose level is never reached before the deadline resolve "No". In the event of a stock split, reverse stock split, or similar corporate action affecting SPY (SPY), these markets resolve on split-adjusted prices, and the price specified in each market is adjusted proportionally. The resolution source for this market is Yahoo Finance, specifically the SPY (SPY) daily price data available at https://finance.yahoo.com/quote/SPY/. If that data is unavailable due to an outage or other technical disruption, the official price published by the primary exchange on which SPY (SPY) trades governs.
Currently, prediction market participants believe there is a significant chance the SPY will decline in value during the week of October 19, 2026. This contrasts with many traditional analyst forecasts, which tend to focus on long-term growth projections and may not fully account for short-term market volatility. While analysts often provide price targets based on fundamental analysis, this market reflects the collective wisdom of traders speculating on near-term price movements. It's important to note that both approaches offer unique insights into potential outcomes.
On Opinion, this market is priced through a continuous auction mechanism where traders buy and sell contracts representing different SPY price levels. The prices of these contracts directly reflect the market's implied probability of the SPY reaching those levels by the specified date. On Opinion, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders adjust their bids and asks based on their own research, news events, and overall market sentiment. The more contracts bought for a specific price, the higher the probability that the SPY will hit that level, according to the market.
This market resolves around Oct 23, 2026, with the outcome determined by verifying the highest price the SPY index reaches during the week of October 19, 2026, against credible public reporting. The final settlement price will be based on official data sources for the SPY index. Traders will then be paid out based on whether their predictions aligned with the actual price achieved during that week. The market's resolution will reflect the actual market behavior during the specified timeframe.
Several factors could significantly influence this market between now and Oct 23, 2026. Major economic data releases, such as inflation reports or employment numbers, could trigger substantial market reactions. Unexpected geopolitical events or shifts in Federal Reserve policy are also likely to move the SPY price and, consequently, this market. Company earnings reports from major SPY constituents could also have a noticeable impact. Furthermore, broader market sentiment and investor risk appetite will play a crucial role in shaping the probabilities reflected in this market.