Contract OI history
Back to TSMNov 20, 2026 EXPIRATION
TSM $400.00 Call
TSM261120C00400000
Latest saved OI4,621Oct 23, 2026
Last change+36vs 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 | 4,621 | +36 |
| Oct 21, 2026 | 4,585 | +148 |
| Oct 16, 2026 | 4,437 | +60 |
| Oct 15, 2026 | 4,377 | -7 |
| Oct 14, 2026 | 4,384 | +30 |
| Oct 09, 2026 | 4,354 | +5 |
| Oct 08, 2026 | 4,349 | 0 |
| Oct 07, 2026 | 4,349 | -10 |
| Oct 06, 2026 | 4,359 | -22 |
| Oct 05, 2026 | 4,381 | +4 |
| Oct 02, 2026 | 4,377 | No prior observation |