Contract OI history
Back to TSMMar 19, 2027 EXPIRATION
TSM $410.00 Put
TSM270319P00410000
Latest saved OI1,643Oct 23, 2026
Last change+23vs 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 | 1,643 | +23 |
| Oct 21, 2026 | 1,620 | +47 |
| Oct 16, 2026 | 1,573 | +580 |
| Oct 15, 2026 | 993 | -14 |
| Oct 14, 2026 | 1,007 | 0 |
| Oct 09, 2026 | 1,007 | -1 |
| Oct 08, 2026 | 1,008 | 0 |
| Oct 07, 2026 | 1,008 | -24 |
| Oct 06, 2026 | 1,032 | +77 |
| Oct 05, 2026 | 955 | -4 |
| Oct 02, 2026 | 959 | No prior observation |