Contract OI history
Back to TSMDec 17, 2027 EXPIRATION
TSM $400.00 Call
TSM271217C00400000
Latest saved OI1,063Oct 23, 2026
Last change+12vs 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 | 1,063 | +12 |
| Oct 21, 2026 | 1,051 | +18 |
| Oct 16, 2026 | 1,033 | -185 |
| Oct 15, 2026 | 1,218 | +15 |
| Oct 14, 2026 | 1,203 | -1 |
| Oct 09, 2026 | 1,204 | +302 |
| Oct 08, 2026 | 902 | 0 |
| Oct 07, 2026 | 902 | -10 |
| Oct 06, 2026 | 912 | -5 |
| Oct 05, 2026 | 917 | -4 |
| Oct 02, 2026 | 921 | No prior observation |