Contract OI history
Back to GLASMay 21, 2027 EXPIRATION
GLAS $2.50 Call
GLAS270521C00002500
Latest saved OI338Oct 23, 2026
Last change-28vs previous saved observation
Saved market days12Oct 02, 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 | 338 | -28 |
| Oct 21, 2026Viewing | 366 | +63 |
| Oct 16, 2026 | 303 | +3 |
| Oct 15, 2026 | 300 | +35 |
| Oct 14, 2026 | 265 | +65 |
| Oct 13, 2026 | 200 | +19 |
| Oct 09, 2026 | 181 | +70 |
| Oct 08, 2026 | 111 | 0 |
| Oct 07, 2026 | 111 | +10 |
| Oct 06, 2026 | 101 | +10 |
| Oct 05, 2026 | 91 | +28 |
| Oct 02, 2026 | 63 | No prior observation |