Contract OI history
Back to TSMOct 30, 2026 EXPIRATION
TSM $415.00 Put
TSM261030P00415000
Latest saved OI3,222Oct 23, 2026
Last change+2,550vs 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 | 3,222 | +2,550 |
| Oct 21, 2026 | 672 | +75 |
| Oct 16, 2026 | 597 | +20 |
| Oct 15, 2026 | 577 | +94 |
| Oct 14, 2026 | 483 | +22 |
| Oct 09, 2026 | 461 | +192 |
| Oct 08, 2026 | 269 | 0 |
| Oct 07, 2026 | 269 | +1 |
| Oct 06, 2026 | 268 | +20 |
| Oct 05, 2026 | 248 | -1 |
| Oct 02, 2026 | 249 | No prior observation |