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.
Built by Jason Parker, founder of Trading Ranges.