Contract OI history
Back to TSMOct 30, 2026 EXPIRATION
TSM $410.00 Put
TSM261030P00410000
Latest saved OI1,242Oct 23, 2026
Last change-271vs 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 | 1,242 | -271 |
| Oct 21, 2026 | 1,513 | +465 |
| Oct 16, 2026 | 1,048 | -25 |
| Oct 15, 2026 | 1,073 | +33 |
| Oct 14, 2026 | 1,040 | +11 |
| Oct 09, 2026 | 1,029 | +642 |
| Oct 08, 2026 | 387 | 0 |
| Oct 07, 2026 | 387 | +24 |
| Oct 06, 2026 | 363 | +87 |
| Oct 05, 2026 | 276 | -20 |
| Oct 02, 2026 | 296 | No prior observation |