COST Put/Call Ratio
COST $1,005.06 · Updated Oct 26, 4:00 PM ET
Across every listed COST expiration, the put/call ratio is 0.70 by volume and 1.28 by open interest. More calls than puts are trading. 116,998 puts and 91,694 calls are open in total.
P/C VOLUME
0.70
All expirations
P/C OPEN INTEREST
1.28
All expirations
PUT VOLUME
7,711
CALL VOLUME
10,982
BY EXPIRATION
| Expiration | DTE | P/C vol | P/C OI | Put vol | Call vol |
|---|---|---|---|---|---|
| Oct 30, 2026 | 4 | 1.21 | 1.58 | 3,432 | 2,826 |
| Nov 6, 2026 | 11 | 0.39 | 1.68 | 1,812 | 4,599 |
| Nov 13, 2026 | 18 | 0.50 | 4.72 | 307 | 609 |
| Nov 20, 2026 | 25 | 0.73 | 1.26 | 696 | 953 |
| Nov 27, 2026 | 32 | 0.52 | 3.41 | 99 | 192 |
| Dec 4, 2026 | 39 | 2.26 | 0.58 | 122 | 54 |
| Dec 18, 2026 | 53 | 0.76 | 1.02 | 790 | 1,043 |
| Jan 15, 2027 | 81 | 0.61 | 0.90 | 245 | 399 |
| Feb 19, 2027 | 116 | 0.44 | 1.06 | 34 | 77 |
| Mar 19, 2027 | 144 | 1.30 | 1.37 | 90 | 69 |
| Apr 16, 2027 | 172 | 0.52 | 1.81 | 84 | 161 |
How this is calculated: Put/Call Ratio methodology