Contract OI history
Back to ONONMar 19, 2027 EXPIRATION
ONON $40.00 Call
ONON270319C00040000
Latest saved OI5,652Oct 23, 2026
Last change+2,741vs 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 | 5,652 | +2,741 |
| Oct 21, 2026 | 2,911 | +6 |
| Oct 16, 2026 | 2,905 | -4 |
| Oct 15, 2026 | 2,909 | +2 |
| Oct 14, 2026 | 2,907 | 0 |
| Oct 13, 2026 | 2,907 | -1 |
| Oct 09, 2026 | 2,908 | -42 |
| Oct 08, 2026 | 2,950 | 0 |
| Oct 07, 2026 | 2,950 | -2 |
| Oct 06, 2026 | 2,952 | -104 |
| Oct 05, 2026 | 3,056 | -54 |
| Oct 02, 2026 | 3,110 | No prior observation |