Contract OI history
Back to ONDSMar 19, 2027 EXPIRATION
ONDS $4.00 Put
ONDS270319P00004000
Latest saved OI575Oct 23, 2026
Last change+3vs 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, 2026Viewing | 575 | +3 |
| Oct 21, 2026 | 572 | +60 |
| Oct 16, 2026 | 512 | -11 |
| Oct 15, 2026 | 523 | +1 |
| Oct 14, 2026 | 522 | 0 |
| Oct 13, 2026 | 522 | 0 |
| Oct 09, 2026 | 522 | No prior observation |