Contract OI history
Back to NTRANov 20, 2026 EXPIRATION
NTRA $330.00 Put
NTRA261120P00330000
Latest saved OI87Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 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, 2026 | 87 | +4 |
| Oct 21, 2026Viewing | 83 | +23 |
| Oct 16, 2026 | 60 | +1 |
| Oct 15, 2026 | 59 | 0 |
| Oct 14, 2026 | 59 | +1 |
| Oct 13, 2026 | 58 | 0 |
| Oct 09, 2026 | 58 | No prior observation |