Contract OI history
Back to TSMApr 16, 2027 EXPIRATION
TSM $380.00 Put
TSM270416P00380000
Latest saved OI1,381Oct 23, 2026
Last change+16vs 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 | 1,381 | +16 |
| Oct 21, 2026 | 1,365 | +21 |
| Oct 16, 2026 | 1,344 | +22 |
| Oct 15, 2026 | 1,322 | +170 |
| Oct 14, 2026 | 1,152 | +9 |
| Oct 09, 2026 | 1,143 | +27 |
| Oct 08, 2026 | 1,116 | 0 |
| Oct 07, 2026 | 1,116 | +8 |
| Oct 06, 2026 | 1,108 | +3 |
| Oct 05, 2026 | 1,105 | +202 |
| Oct 02, 2026 | 903 | No prior observation |