Contract OI history
Back to TSMDec 18, 2026 EXPIRATION
TSM $540.00 Call
TSM261218C00540000
Latest saved OI1,640Oct 23, 2026
Last change-11vs 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 | 1,640 | -11 |
| Oct 21, 2026 | 1,651 | -135 |
| Oct 16, 2026 | 1,786 | +17 |
| Oct 15, 2026 | 1,769 | -195 |
| Oct 14, 2026 | 1,964 | +36 |
| Oct 09, 2026 | 1,928 | +3 |
| Oct 08, 2026 | 1,925 | 0 |
| Oct 07, 2026 | 1,925 | -20 |
| Oct 06, 2026 | 1,945 | +1 |
| Oct 05, 2026 | 1,944 | +88 |
| Oct 02, 2026 | 1,856 | No prior observation |