Will the S&P 500 be above 6845.5 on Dec 31, 2026 at 4pm EST?
Alpha Opportunity
Alpha Thesis
We believe the Kalshi contract for the S&P 500 being above 6,845.5 on December 31, 2026 is slightly overvalued at 61%, with our estimate at 55%. The S&P 500 is currently trading at ~6,663, needing a 2.7% rally to clear the threshold. While Wall Street targets average 7,555 (well above), geopolitical risks (Iran conflict, tariff uncertainty) and current momentum suggest this isn't as certain as the market implies.
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Key Findings
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Alpha Quality Factors
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Human Bias Detected
Cognitive biases creating this alpha opportunity
The market overweights vivid, recent events, making this outcome feel more likely than it actually is.