Contract OI history
Back to TSMJan 21, 2028 EXPIRATION
TSM $380.00 Call
TSM280121C00380000
Latest saved OI237Oct 23, 2026
Last change+6vs 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 | 237 | +6 |
| Oct 21, 2026 | 231 | -1 |
| Oct 16, 2026 | 232 | +7 |
| Oct 15, 2026 | 225 | 0 |
| Oct 14, 2026 | 225 | 0 |
| Oct 09, 2026 | 225 | +1 |
| Oct 08, 2026 | 224 | 0 |
| Oct 07, 2026 | 224 | -1 |
| Oct 06, 2026 | 225 | -1 |
| Oct 05, 2026 | 226 | 0 |
| Oct 02, 2026 | 226 | No prior observation |