Why Do Option Traders Often Look at Strike Price Volume and Open Interest?

Traders examine volume and open interest at specific strike prices to gauge market sentiment and potential support/resistance levels. Volume indicates the trading activity for that strike on a given day, showing immediate demand.

Open interest is the total number of outstanding contracts at a strike, providing insight into the total commitment of market participants. High open interest at a strike price can suggest that it is a critical price level where a large number of positions must be managed or closed, potentially acting as a magnet for the underlying price.

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Glossar