Contract OI history
Back to TSMJan 15, 2027 EXPIRATION
TSM $450.00 Put
TSM270115P00450000
Latest saved OI3,898Oct 23, 2026
Last change+4vs 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 | 3,898 | +4 |
| Oct 21, 2026 | 3,894 | +11 |
| Oct 16, 2026 | 3,883 | +7 |
| Oct 15, 2026 | 3,876 | -25 |
| Oct 14, 2026 | 3,901 | +429 |
| Oct 09, 2026 | 3,472 | +53 |
| Oct 08, 2026 | 3,419 | 0 |
| Oct 07, 2026 | 3,419 | +13 |
| Oct 06, 2026 | 3,406 | +70 |
| Oct 05, 2026 | 3,336 | +23 |
| Oct 02, 2026 | 3,313 | No prior observation |