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Positive Delta
Positive Delta means a position generally benefits from an increase in the underlying asset price, all else equal. Long calls typically have positive Delta. Short puts also typically have positive Delta.
Why it matters to you
Positive Delta describes directional exposure, not whether the position is a call or put. That is why: Long Call = positive Delta and Short Put = positive Delta despite being very different positions.
Terms that sit next to this one
Long Call, Short Put