Contract OI history
Back to COSTDec 15, 2028 EXPIRATION
COST $1280.00 Call
COST281215C01280000
Latest saved OI230Oct 23, 2026
Last change+47vs previous saved observation
Saved market days7Oct 09, 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 | 230 | +47 |
| Oct 21, 2026 | 183 | -1 |
| Oct 16, 2026 | 184 | 0 |
| Oct 15, 2026 | 184 | 0 |
| Oct 14, 2026 | 184 | 0 |
| Oct 13, 2026 | 184 | 0 |
| Oct 09, 2026 | 184 | No prior observation |