Contract OI history
Back to COHRJan 21, 2028 EXPIRATION
COHR $650.00 Call
COHR280121C00650000
Latest saved OI2,259Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 2,259 | +2 |
| Oct 21, 2026 | 2,257 | +6 |
| Oct 16, 2026 | 2,251 | +2 |
| Oct 15, 2026 | 2,249 | +1 |
| Oct 14, 2026 | 2,248 | 0 |
| Oct 13, 2026 | 2,248 | +24 |
| Oct 09, 2026 | 2,224 | +8 |
| Oct 08, 2026 | 2,216 | 0 |
| Oct 07, 2026 | 2,216 | -1 |
| Oct 06, 2026 | 2,217 | +3 |
| Oct 05, 2026 | 2,214 | +284 |
| Oct 02, 2026 | 1,930 | No prior observation |