Contract OI history
Back to TSMDec 18, 2026 EXPIRATION
TSM $430.00 Call
TSM261218C00430000
Latest saved OI4,381Oct 23, 2026
Last change+542vs 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 | 4,381 | +542 |
| Oct 21, 2026 | 3,839 | +592 |
| Oct 16, 2026 | 3,247 | +146 |
| Oct 15, 2026 | 3,101 | +161 |
| Oct 14, 2026 | 2,940 | +4 |
| Oct 09, 2026 | 2,936 | +19 |
| Oct 08, 2026 | 2,917 | 0 |
| Oct 07, 2026 | 2,917 | +30 |
| Oct 06, 2026 | 2,887 | +5 |
| Oct 05, 2026 | 2,882 | -16 |
| Oct 02, 2026 | 2,898 | No prior observation |