COST Option Overview
Costco Wholesale Corp (COST) options traded 40.42K contracts on Nov 4, 2026, in line with the 20-day average of 37.07K, and calls and puts are about even. 30-day implied volatility was 21.7%, in the lower part of its one-year range. Near-term max pain was $998.93, 4.6% below the $1,046.62 close.
About COST
COST Options FAQ
How actively are COST options traded?
20.53K calls and 19.89K puts traded on Nov 4, 2026, 40.42K contracts in total. Open interest was 301.16K contracts. Over the past 30 days, volume averaged 36.65K contracts per day. The COST option volume chart shows volume by strike and expiration date.
Is COST implied volatility high right now?
Costco Wholesale IV rank is 34, so its 30-day implied volatility of 21.7% is in the lower part of its one-year range. Over the past year it ranged from 17.5% on Dec 23, 2025 to 29.8% on Nov 20, 2025. See the COST implied volatility history for a longer view.
What is the COST put/call ratio?
The Costco Wholesale put/call volume ratio was 0.97 on Nov 4, 2026, so calls and puts are about even. The put/call open interest ratio was 1.04. The COST open interest chart shows calls and puts at each strike.
What is COST max pain this week?
As of the Nov 4, 2026 close, max pain for Costco Wholesale options about one week from expiration was $998.93, 4.6% below the $1,046.62 close. The COST max pain chart shows it for every expiration date.
What is COST's expected move over the next week?
Based on 7-day implied volatility of 25.9%, options price a move of about ±$37.58 (±3.6%) over the next week, a range of roughly $1,009.04 to $1,084.20 from the Nov 4, 2026 close. The COST expected move chart shows it for every expiration date.