Contract OI history
Back to HALOct 23, 2026 EXPIRATION
HAL $36.00 Call
HAL261023C00036000
Latest saved OI532Oct 23, 2026
Last change-19vs 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 | 532 | -19 |
| Oct 21, 2026 | 551 | +246 |
| Oct 16, 2026 | 305 | +74 |
| Oct 15, 2026 | 231 | +2 |
| Oct 14, 2026 | 229 | +9 |
| Oct 13, 2026 | 220 | +7 |
| Oct 09, 2026 | 213 | 0 |
| Oct 08, 2026 | 213 | 0 |
| Oct 07, 2026 | 213 | +3 |
| Oct 06, 2026 | 210 | +181 |
| Oct 05, 2026 | 29 | 0 |
| Oct 02, 2026 | 29 | No prior observation |