Contract OI history
Back to TSMJan 19, 2029 EXPIRATION
TSM $420.00 Call
TSM290119C00420000
Latest saved OI1,563Oct 23, 2026
Last change+246vs 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 | 1,563 | +246 |
| Oct 21, 2026 | 1,317 | +158 |
| Oct 16, 2026 | 1,159 | +22 |
| Oct 15, 2026 | 1,137 | +4 |
| Oct 14, 2026 | 1,133 | 0 |
| Oct 09, 2026 | 1,133 | +3 |
| Oct 08, 2026 | 1,130 | 0 |
| Oct 07, 2026 | 1,130 | +6 |
| Oct 06, 2026 | 1,124 | +1,101 |
| Oct 05, 2026 | 23 | 0 |
| Oct 02, 2026 | 23 | No prior observation |