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Gap Analysis

Pre-Market Range & Gap Calculator

Enter the high and low printed during pre-market trading and yesterday's regular-session close to get the pre-market range, the gap size and direction versus that close, and the breakout levels to watch when the regular session opens.

Pre-market range···
Gap vs prior close (midpoint)···
Gap %···
Gap direction···
Open breakout trigger (up)···
Open breakout trigger (down)···

Educational tool only, not financial advice. Pre-market volume is thin and levels can be unreliable. Check it against your own plan and risk rules before you trade it.

Jason Parker, founder of Trading Ranges

Built by Jason Parker, founder of Trading Ranges.

Jason Parker, founder of Trading Ranges

Built by Jason Parker, founder of Trading Ranges.