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VoxOdds market brief: S&P 500 (SPX) Up or Down on September 18?
Odds: Up 80% | Down 20%
24h volume: $87.0K | Liquidity: $2.9K
Community: no predictions yet.
Market: https://voxodds.com/market/4637582
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https://voxodds.com/market/4637582
S&P 500 (SPX) Up or Down on September 18?
This market will resolve to "Up" if the official S&P 500 Index closing price for S&P 500 (SPX) on Friday, September 18, 2026 is higher than the official S&P 500 Index closing price for SPX on the most...
80%
Up
20%
Down
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Polymarket Odds
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80%
Up
20%
Down
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AI
AI Analysis
Gemini
54%
AI estimate
Single-day equity market movements generally exhibit a modest historical upward drift, making 66% an overconfident pricing for a single trading session.
liquidity is modest ($6
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80%
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