After-Hours and Premarket Trading: What the Data Shows
After-hours trading runs 4-8 p.m. ET, premarket 4-9:30 a.m. See what the tape shows: session volume shares, spread costs, and when headlines actually land.
Strasmore Research
Educational explainers, recurring market-structure breakdowns, and historical deep-dives — every number sourced from a stored query against real market data.
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