Contract OI history
Back to ZMJan 21, 2028 EXPIRATION
ZM $160.00 Call
ZM280121C00160000
Latest saved OI2,077Oct 23, 2026
Last change+551vs 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, 2026 | 2,077 | +551 |
| Oct 21, 2026Viewing | 1,526 | -1 |
| Oct 16, 2026 | 1,527 | 0 |
| Oct 15, 2026 | 1,527 | 0 |
| Oct 14, 2026 | 1,527 | 0 |
| Oct 13, 2026 | 1,527 | 0 |
| Oct 09, 2026 | 1,527 | No prior observation |