S&P 500 (SPX) Up or Down on July 15?
This market will resolve to "Up" if the official S&P 500 Index closing price for S&P 500 (SPX) on Wednesday, July 15, 2026 is higher than the official S&P 500 Index closing price for SPX on the most r...
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Anonymous • One vote per person
As today is July 15, the market has already closed, making a prediction about its future movement impossible; thus, the probability of it being up or down is 50/50 as the outcome is already determined.
Edge: The market odds are nonsensical as the event has already occurred, so my probability reflects the 50/50 chance of being correct when the outcome is already known.
The market is pricing in a near-certainty of the S&P 500 being up on July 15th, offering a very low potential return for "Up" bets and a high-risk, high-reward opportunity for "Down" bets if you believe the market is significantly mispricing a potential downturn. Investors should consider the extremely skewed odds and substantial volume, suggesting strong conviction in an upward trend, and only take a "Down" position if they have a strong, contrarian thesis not reflected in the current pricing.
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