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Contract OI history

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Feb 19, 2027 EXPIRATION

GLAS $20.00 Call

GLAS270219C00020000

Latest saved OI620Oct 23, 2026
Last change-13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GLAS $20.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6393190 2026-10-02: 632 OI2026-10-05: 639 OI2026-10-06: 639 OI2026-10-07: 638 OI2026-10-08: 634 OI2026-10-09: 634 OI2026-10-13: 634 OI2026-10-14: 633 OI2026-10-15: 633 OI2026-10-16: 633 OI2026-10-21: 633 OI2026-10-23: 620 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

GLAS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026620-13
Oct 21, 2026Viewing6330
Oct 16, 20266330
Oct 15, 20266330
Oct 14, 2026633-1
Oct 13, 20266340
Oct 09, 20266340
Oct 08, 2026634-4
Oct 07, 2026638-1
Oct 06, 20266390
Oct 05, 2026639+7
Oct 02, 2026632No prior observation