Put-Call Ratio (Open Interest) (90-Day)
Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.
Companhia Paranaense de Energia (COPEL) (ELP) had 90-Day Put-Call Ratio (Open Interest) of 0.3407 for 2025-09-17.
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