Contract OI history
Back to CJan 21, 2028 EXPIRATION
C $100.00 Put
C280121P00100000
Latest saved OI5,453Oct 23, 2026
Last change+3vs 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 | 5,453 | +3 |
| Oct 21, 2026 | 5,450 | +2 |
| Oct 16, 2026 | 5,448 | 0 |
| Oct 15, 2026 | 5,448 | +335 |
| Oct 14, 2026 | 5,113 | 0 |
| Oct 13, 2026 | 5,113 | -2 |
| Oct 09, 2026 | 5,115 | 0 |
| Oct 08, 2026 | 5,115 | 0 |
| Oct 07, 2026 | 5,115 | 0 |
| Oct 06, 2026 | 5,115 | -1 |
| Oct 05, 2026 | 5,116 | +110 |
| Oct 02, 2026 | 5,006 | No prior observation |