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Contract OI history

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Jan 15, 2027 EXPIRATION

GRDN $30.00 Call

GRDN270115C00030000

Latest saved OI427Oct 21, 2026
Last change0vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GRDN $30.00 call open interest history 9 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 4272130 2026-10-02: 427 OI2026-10-05: 427 OI2026-10-06: 427 OI2026-10-07: 427 OI2026-10-09: 427 OI2026-10-13: 427 OI2026-10-14: 427 OI2026-10-16: 427 OI2026-10-21: 427 OI Oct 02, 2026Oct 21, 2026

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

GRDN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing4270
Oct 16, 20264270
Oct 14, 20264270
Oct 13, 20264270
Oct 09, 20264270
Oct 07, 20264270
Oct 06, 20264270
Oct 05, 20264270
Oct 02, 2026427No prior observation