Contract OI history
Back to TSMNov 06, 2026 EXPIRATION
TSM $420.00 Call
TSM261106C00420000
Latest saved OI532Oct 23, 2026
Last change-42vs 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 | 532 | -42 |
| Oct 21, 2026 | 574 | +205 |
| Oct 16, 2026 | 369 | +338 |
| Oct 15, 2026 | 31 | +4 |
| Oct 14, 2026 | 27 | 0 |
| Oct 09, 2026 | 27 | +1 |
| Oct 08, 2026 | 26 | 0 |
| Oct 07, 2026 | 26 | 0 |
| Oct 06, 2026 | 26 | +22 |
| Oct 05, 2026 | 4 | +3 |
| Oct 02, 2026 | 1 | No prior observation |