Contract OI history
Back to GMNov 20, 2026 EXPIRATION
GM $78.00 Put
GM261120P00078000
Latest saved OI139Oct 23, 2026
Last change+55vs previous saved observation
Saved market days2Oct 21, 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 | 139 | +55 |
| Oct 21, 2026 | 84 | No prior observation |