Contract OI history
Back to TSMOct 23, 2026 EXPIRATION
TSM $417.50 Call
TSM261023C00417500
Latest saved OI599Oct 23, 2026
Last change+56vs previous saved observation
Saved market days5Oct 14, 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 | 599 | +56 |
| Oct 21, 2026 | 543 | +261 |
| Oct 16, 2026 | 282 | +260 |
| Oct 15, 2026 | 22 | +22 |
| Oct 14, 2026 | 0 | No prior observation |