Contract OI history
Back to TSMDec 18, 2026 EXPIRATION
TSM $440.00 Call
TSM261218C00440000
Latest saved OI5,144Oct 23, 2026
Last change+1,258vs 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 | 5,144 | +1,258 |
| Oct 21, 2026 | 3,886 | +684 |
| Oct 16, 2026 | 3,202 | +735 |
| Oct 15, 2026 | 2,467 | +191 |
| Oct 14, 2026 | 2,276 | +28 |
| Oct 09, 2026 | 2,248 | +93 |
| Oct 08, 2026 | 2,155 | 0 |
| Oct 07, 2026 | 2,155 | -2 |
| Oct 06, 2026 | 2,157 | -82 |
| Oct 05, 2026 | 2,239 | -24 |
| Oct 02, 2026 | 2,263 | No prior observation |