Options market record
COST options flowcalls and puts bought each day.
On Oct 23, 2026, traders bought 7.91K COST call contracts ($21.9M) and 6.79K put contracts ($5.6M). Calls were 0.9× and puts were 1.1× their respective 20-day medians. The underlying closed at $1,003.79 and 30-day implied volatility was 21.4%. On the call-buy top 10 on 1 of 486 trading days since Nov 11, 2024.
Each point is one trading day since Nov 11, 2024. Latest rankings · Earnings history
Daily contracts bought
Call contracts: min 2.37K, max 51.16K, latest 7.91K. Put contracts: min 2.63K, max 49.17K, latest 6.79K.
30-day implied volatility
30-day IV: min 18.6%, max 47.2%, latest 21.4%.
Days in a top-10 list
Ranked by contracts bought today compared with the stock's own median over the previous 20 trading days.
| Date | Call-buy rank | Put-buy rank | Call vs normal | Put vs normal |
|---|---|---|---|---|
| Dec 22, 2025 | — | 9 | 0.9× | 3.2× |
| Sep 26, 2025 | — | 3 | 5.6× | 6.9× |
| May 30, 2025 | 10 | — | 5.2× | 4.2× |
| Mar 7, 2025 | — | 10 | 3.3× | 5.8× |
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