Contract OI history
Back to GTXNov 20, 2026 EXPIRATION
GTX $25.00 Put
GTX261120P00025000
Latest saved OI29Oct 23, 2026
Last change-1vs previous saved observation
Saved market days6Oct 09, 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 | 29 | -1 |
| Oct 20, 2026 | 30 | 0 |
| Oct 16, 2026 | 30 | +20 |
| Oct 15, 2026 | 10 | 0 |
| Oct 13, 2026 | 10 | +2 |
| Oct 09, 2026 | 8 | No prior observation |