Will SPDR S&P 500 ETF Trust (SPY) hit (LOW) $640 in April?

This market exhibits extreme mispricing with a 6361% implied yield on the Yes side, suggesting either severe illiquidity or a structural arbitrage opportunity—SPY would need to drop roughly 20% from current levels to hit $640, an outcome the 28% price substantially underweights given historical volatility. The wide 39¢ spread and modest $110.9k daily volume indicate thin liquidity, while the realized volatility of 1150% and cliff risk index of 3 suggest the market may be pricing tail risk inefficiently with only 15 days to expiration. The recent 4¢ price increase over 7 days combined with neutral regime conditions and low information arrival (0.3/h) suggests limited new catalysts are driving conviction, making this a classic low-liquidity trap where the extreme yield may reflect pricing dysfunction rather than genuine probability.

Resolution rules

This market will resolve to "Yes" if, at any point during April 2026, any 1-minute candle for SPDR S&P 500 ETF Trust (SPY) has a final "Low" price equal to or below the listed price. Otherwise, this market will resolve to "No". Only prices achieved during the regular trading hours of the primary exchange on which the listed security trades (typically 9:30 AM – 4:00 PM ET) will be considered. Prices occurring during pre-market or after-hours trading will not qualify. Prices will be used exactly as published by Pyth, without rounding. In the event of a stock split, reverse stock split, or similar corporate action affecting the listed company during the listed time frame, this market will resolve based on split-adjusted prices as displayed on Pyth. The target price will be adjusted proportionally to reflect any stock splits. Resolution will be based on the historical price data as shown on Pyth after any adjustments have been applied. The resolution source for this market is Pyth — specifically, the SPDR S&P 500 ETF Trust (SPY) "Low" prices available at https://pythdata.app/explore/Equity.US.SPY%2FUSD, with the chart settings configured for 1-minute candles. Historical 1-minute candles may be accessed by appending a Unix timestamp (seconds) to the Pyth chart URL using the "t=" parameter. Any timestamp within the listed market time frame may be used to view the relevant candle data (e.g., https://pythdata.app/explore/Equity.US.SPY%2FUSD?t=1773432000) If the relevant Pyth data is unavailable due to a system outage, data failure, or other technical disruption that prevents verification of the required 1-minute candle data, the official daily low price published by the primary exchange on which the listed security trades will be used to determine whether the listed price was reached during the applicable trading session.

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