Contract OI history
Back to TSMNov 13, 2026 EXPIRATION
TSM $440.00 Put
TSM261113P00440000
Latest saved OI260Oct 23, 2026
Last change+33vs previous saved observation
Saved market days11Oct 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 | 260 | +33 |
| Oct 21, 2026 | 227 | -6 |
| Oct 16, 2026 | 233 | +1 |
| Oct 15, 2026 | 232 | +9 |
| Oct 14, 2026 | 223 | +68 |
| Oct 09, 2026 | 155 | +36 |
| Oct 08, 2026 | 119 | 0 |
| Oct 07, 2026 | 119 | +31 |
| Oct 06, 2026 | 88 | +77 |
| Oct 05, 2026 | 11 | +11 |
| Oct 02, 2026 | 0 | No prior observation |