Contract OI history
Back to TSMOct 30, 2026 EXPIRATION
TSM $437.50 Call
TSM261030C00437500
Latest saved OI369Oct 23, 2026
Last change+194vs previous saved observation
Saved market days6Oct 09, 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 | 369 | +194 |
| Oct 21, 2026 | 175 | +93 |
| Oct 16, 2026 | 82 | +26 |
| Oct 15, 2026 | 56 | +45 |
| Oct 14, 2026 | 11 | +11 |
| Oct 09, 2026 | 0 | No prior observation |