Contract OI history
Back to GRPNDec 18, 2026 EXPIRATION
GRPN $23.00 Call
GRPN261218C00023000
Latest saved OI874Oct 23, 2026
Last change-927vs 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 | 874 | -927 |
| Oct 20, 2026Viewing | 1,801 | +129 |
| Oct 16, 2026 | 1,672 | +43 |
| Oct 15, 2026 | 1,629 | +1,502 |
| Oct 14, 2026 | 127 | 0 |
| Oct 13, 2026 | 127 | 0 |
| Oct 09, 2026 | 127 | 0 |
| Oct 08, 2026 | 127 | No prior observation |