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What Is the Delta of an ATM Put Option?

The Delta of an ATM put option is approximately -0.50.
Greeks.Live22.11.25

What Is the Delta of an ATM Put Option?

The Delta of an At-The-Money (ATM) put option is approximately -0.50 (or -50). The negative sign indicates that the put option's price moves inversely to the underlying asset's price.

This reflects the 50/50 chance of expiring ITM or OTM.

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