Contract OI history
Back to TSMDec 18, 2026 EXPIRATION
TSM $500.00 Call
TSM261218C00500000
Latest saved OI12,171Oct 23, 2026
Last change+39vs 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 | 12,171 | +39 |
| Oct 21, 2026 | 12,132 | -2,057 |
| Oct 16, 2026 | 14,189 | -74 |
| Oct 15, 2026 | 14,263 | -281 |
| Oct 14, 2026 | 14,544 | +276 |
| Oct 09, 2026 | 14,268 | +364 |
| Oct 08, 2026 | 13,904 | 0 |
| Oct 07, 2026 | 13,904 | +423 |
| Oct 06, 2026 | 13,481 | -13,558 |
| Oct 05, 2026 | 27,039 | -65 |
| Oct 02, 2026 | 27,104 | No prior observation |