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Contract OI history

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Mar 19, 2027 EXPIRATION

GERN $1.50 Call

GERN270319C00001500

Latest saved OI1,355Oct 23, 2026
Last change+15vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GERN $1.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1,3556770 2026-10-08: 1,213 OI2026-10-09: 1,229 OI2026-10-13: 1,230 OI2026-10-14: 1,330 OI2026-10-16: 1,340 OI2026-10-20: 1,340 OI2026-10-23: 1,355 OI Oct 08, 2026Oct 23, 2026

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

GERN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,355+15
Oct 20, 20261,3400
Oct 16, 20261,340+10
Oct 14, 20261,330+100
Oct 13, 20261,230+1
Oct 09, 20261,229+16
Oct 08, 20261,213No prior observation