Contract OI history
Back to TSMOct 23, 2026 EXPIRATION
TSM $440.00 Call
TSM261023C00440000
Latest saved OI4,483Oct 23, 2026
Last change+1,378vs 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 | 4,483 | +1,378 |
| Oct 21, 2026 | 3,105 | +2,155 |
| Oct 16, 2026 | 950 | +413 |
| Oct 15, 2026 | 537 | +392 |
| Oct 14, 2026 | 145 | +44 |
| Oct 09, 2026 | 101 | -9 |
| Oct 08, 2026 | 110 | 0 |
| Oct 07, 2026 | 110 | -1 |
| Oct 06, 2026 | 111 | -20 |
| Oct 05, 2026 | 131 | -6 |
| Oct 02, 2026 | 137 | No prior observation |