Contract OI history
Back to ONNov 20, 2026 EXPIRATION
ON $75.00 Call
ON261120C00075000
Latest saved OI3,530Oct 23, 2026
Last change+50vs 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 | 3,530 | +50 |
| Oct 21, 2026 | 3,480 | +83 |
| Oct 16, 2026 | 3,397 | +48 |
| Oct 15, 2026 | 3,349 | +232 |
| Oct 14, 2026 | 3,117 | 0 |
| Oct 13, 2026 | 3,117 | +333 |
| Oct 09, 2026 | 2,784 | No prior observation |