Contract OI history
Back to TSMJan 15, 2027 EXPIRATION
TSM $420.00 Call
TSM270115C00420000
Latest saved OI6,882Oct 23, 2026
Last change+1,365vs 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 | 6,882 | +1,365 |
| Oct 21, 2026 | 5,517 | +61 |
| Oct 16, 2026 | 5,456 | +183 |
| Oct 15, 2026 | 5,273 | +10 |
| Oct 14, 2026 | 5,263 | -46 |
| Oct 09, 2026 | 5,309 | +42 |
| Oct 08, 2026 | 5,267 | 0 |
| Oct 07, 2026 | 5,267 | -1 |
| Oct 06, 2026 | 5,268 | -94 |
| Oct 05, 2026 | 5,362 | -22 |
| Oct 02, 2026 | 5,384 | No prior observation |