Gap and Go Strategy Explained: Trading Pre-Market Gappers

Gap and go is a day trading approach built around stocks that open well above yesterday's close (a gap up) and keep moving in the same direction after the 9:30 AM ET open, often in the first hour.

What traders look for before the open

• A real gap: often 10% or more from the previous close. See how pre-market gaps work.
• Pre-market volume: heavy trading before the open shows real interest. A gap on a few thousand shares can disappear at the open.
• A catalyst: earnings, FDA news, a contract or another clear reason for the move.
• Float and price: many traders prefer lower-float stocks in a price range they're comfortable with.
• Key levels: the pre-market high (PMH) and low (PML), and yesterday's high.

Common entries

These are ways traders describe the setup, not recommendations:

• Pre-market high break: buying when the price trades above the pre-market high after the open, on rising volume.
• First candle break: waiting for the first 1-minute or 5-minute candle to finish, then buying a break of its high.
• VWAP hold: buying a pullback that holds above VWAP instead of chasing the open.

Why gaps fail

• The gap "fills": the price falls back toward yesterday's close as early buyers take profits.
• No catalyst, or news that doesn't justify the move.
• The company sells new shares into the gap. Check recent offering filings.
• Thin volume after the open: the pre-market move had little behind it.

Managing risk

Traders commonly decide in advance where they're wrong: for example, a break below VWAP or back below the pre-market high. Gappers are volatile and can be halted, so position size matters as much as the entry.

How Nexus Screener helps

• The Morning Brief ranks every pre-market gapper from 4:00 AM ET, with pre-market volume, high, low and float. The live list is at pre-market gainers.
• Filters for Gap %, at least, float and relative volume, and the pre-market scanner setup.
• Charts mark the pre-market high and low, high of day and VWAP; Nexus Pro can alert you to a new high of day or a VWAP reclaim on your watchlist.