Open Interest (OI)

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Open Interest (OI)

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It is a popular indicator to identify the traders interest in a particular Option.

Answer 1 · 2018-05-30

Open interest measures the interest of traders in an Option. It tells a trader about the total number of a particular options contracts are currently traded but not yet exercised, assigned or squared off. For example, say 5 traders are holding 20 lots of contract. So the open interest for that day would be 100.

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