Costco Wholesale Corporation (COST)

Last Closing Price: 923.52 (2026-10-05)

Put-Call Implied Volatility Ratio (30-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

Costco Wholesale Corporation (COST) had 30-Day Put-Call Implied Volatility Ratio of 1.0213 for 2026-10-05.