S&P 500 futures traded -0.58% pre-cash-open Monday May 18 on the cumulative weekend-plus-Monday escalation. Polymarket pricing only 6% probability of an "Up" cash open - the prediction-market crowd is strongly directionally bearish.
Provenance — node opacity = source trust
- Evidence Strength
Strong- Evidence Observed At
- May 18, 2026 · 1:00 PM UTC
- Citation
- https://www.benzinga.com/markets/prediction-markets/26/05/52626357/will-sp-500-open-up-or-down-on-may-18-heres-how-polymarket-traders-lean-as-uae-nuclear-plant-strike-sends-oil-past-110
- Citation Source
yahoo-finance- About Security
S&P 500 Index- Market Metric
Session Percent Move- Observed Value
- -0.0058