Contract OI history
Back to TDOCJan 15, 2027 EXPIRATION
TDOC $20.00 Call
TDOC270115C00020000
Latest saved OI20,321Oct 23, 2026
Last change+5vs 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, 2026 | 20,321 | +5 |
| Oct 21, 2026Viewing | 20,316 | -29 |
| Oct 16, 2026 | 20,345 | 0 |
| Oct 15, 2026 | 20,345 | 0 |
| Oct 13, 2026 | 20,345 | -6 |
| Oct 09, 2026 | 20,351 | 0 |
| Oct 08, 2026 | 20,351 | 0 |
| Oct 07, 2026 | 20,351 | +12 |
| Oct 06, 2026 | 20,339 | 0 |
| Oct 05, 2026 | 20,339 | 0 |
| Oct 02, 2026 | 20,339 | No prior observation |