Contract OI history
Back to TSMMar 19, 2027 EXPIRATION
TSM $420.00 Call
TSM270319C00420000
Latest saved OI1,756Oct 23, 2026
Last change+67vs 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 | 1,756 | +67 |
| Oct 21, 2026 | 1,689 | +309 |
| Oct 16, 2026 | 1,380 | +960 |
| Oct 15, 2026 | 420 | +10 |
| Oct 14, 2026 | 410 | 0 |
| Oct 09, 2026 | 410 | +1 |
| Oct 08, 2026 | 409 | 0 |
| Oct 07, 2026 | 409 | -1 |
| Oct 06, 2026 | 410 | -4 |
| Oct 05, 2026 | 414 | -5 |
| Oct 02, 2026 | 419 | No prior observation |