metrics

Volume Surge

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Options Pilot Education·Educational Content

A spike in trading volume significantly above the recent average. May indicate institutional interest or an impending move.

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A volume surge occurs when options trading volume for a particular stock jumps significantly above its recent average — typically measured as a multiple of the 20-day or 5-day average volume. A reading of 2x means volume is double the average; 5x or higher often signals something meaningful is happening. Volume surges can occur across the entire option chain or be concentrated in specific strikes and expirations.

Not all volume surges are created equal. The most informative surges are concentrated in specific strikes (suggesting a targeted bet), accompanied by rising open interest (new positions, not just day trading), and occur in the direction of the move (calls on a bullish surge). A surge in volume without a corresponding change in open interest often represents closing trades or day-trading activity rather than new institutional positioning.

Options Pilot's Activity pillar measures volume surge as one of its core metrics, expressed as a multiple of the rolling average. A volume surge combined with a high Volume/OI ratio and unusual activity in specific strikes provides the strongest Activity signal. The Activity pillar also distinguishes between put and call surges, helping determine whether the activity is bullish or bearish.

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Volume Surge is part of the Activity pillar in our 5-pillar scoring system.

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Volume Surge - Options Trading Definition | Options Pilot | Ainvest Options Pilot