Contract OI history
Back to HALODec 18, 2026 EXPIRATION
HALO $100.00 Call
HALO261218C00100000
Latest saved OI164Oct 23, 2026
Last change-6vs 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 | 164 | -6 |
| Oct 21, 2026 | 170 | -72 |
| Oct 16, 2026 | 242 | 0 |
| Oct 15, 2026 | 242 | -5 |
| Oct 14, 2026 | 247 | 0 |
| Oct 13, 2026 | 247 | 0 |
| Oct 09, 2026 | 247 | No prior observation |