Contract OI history
Back to GRPNNov 20, 2026 EXPIRATION
GRPN $16.00 Put
GRPN261120P00016000
Latest saved OI2,180Oct 23, 2026
Last change+1,843vs previous saved observation
Saved market days8Oct 08, 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 | 2,180 | +1,843 |
| Oct 20, 2026Viewing | 337 | +61 |
| Oct 16, 2026 | 276 | 0 |
| Oct 15, 2026 | 276 | 0 |
| Oct 14, 2026 | 276 | 0 |
| Oct 13, 2026 | 276 | 0 |
| Oct 09, 2026 | 276 | 0 |
| Oct 08, 2026 | 276 | No prior observation |