Contract OI history
Back to THRMNov 20, 2026 EXPIRATION
THRM $27.93 Put
THRM261120P00027930
Latest saved OI221Oct 23, 2026
Last change+2vs previous saved observation
Saved market days6Oct 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 | 221 | +2 |
| Oct 20, 2026Viewing | 219 | 0 |
| Oct 16, 2026 | 219 | 0 |
| Oct 14, 2026 | 219 | 0 |
| Oct 13, 2026 | 219 | +105 |
| Oct 09, 2026 | 114 | No prior observation |