Pre-Market Scanner

Gap movers and high-volume names before the open. Active 4:00am–9:30am ET. Gap% = (pre-mkt price − prev close) / prev close. Updates every 30s during pre-market window.

Time to open (9:30am ET)
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Market phase
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Data sources: Pre-market price from Polygon snapshot (last trade / min bar). Previous close from Polygon grouped daily aggs. Catalyst icon: earnings calendar only — no live news feed. Fade/Momentum = structural heuristic (gap vs prior direction). Tier from THv2 universe (T1 = highest liquidity). Poll interval: 30s during pre-market window only.
Gappers
Gapping >3% vs prior close · ranked by abs gap
▲▼ GAP
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# Ticker Pre-Mkt Gap% PM Vol Prev Close Signal Tier
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Active
Highest pre-market volume · all gap sizes
▲ VOL
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# Ticker Pre-Mkt Gap% PM Vol Prev Close Signal Tier
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