What is open interest in options trading?
Technical Analysis
Open interest is the total number of outstanding (not yet settled) options or futures contracts for a particular strike and expiry, reflecting how much interest is active in that contract.
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Rising open interest alongside rising price is generally read as a strong, well-supported trend, while rising open interest with falling price can signal building bearish positions. It’s a useful gauge of market participation and conviction, separate from price or volume.
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