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Open interest is a core indicator that shows how much positioning is stacked in the derivatives market. This page explains its meaning and basic interpretation in a simple way.
Open interest refers to the total number of active futures and derivatives positions currently open in the market. In simple terms, it shows how much positioning remains open and has not yet been closed.
Open interest is useful for reading participation and leverage build-up. If price rises together with open interest, new positions may be entering the market. If price falls and open interest drops sharply, forced closures or position unwinding may be taking place.
Open interest matters most when read together with price. A combination of rising price and rising open interest can suggest trend continuation, but it may also increase overheating risk. By contrast, rising price with falling open interest may reflect a short squeeze rather than durable trend strength.
Auto Research treats open interest as a clue about leverage accumulation and trend strength. It becomes more useful when interpreted together with funding rate, liquidations and spot flows.
• Rising open interest can signal stronger participation
• It only becomes meaningful when read together with price
• Excessively high open interest can increase volatility risk
• It is especially useful when combined with funding rate