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Contract OI history

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Jan 21, 2028 EXPIRATION

GERN $1.50 Call

GERN280121C00001500

Latest saved OI27Oct 23, 2026
Last change+2vs 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. 27130 2026-10-08: 23 OI2026-10-09: 23 OI2026-10-13: 24 OI2026-10-14: 25 OI2026-10-16: 25 OI2026-10-20: 25 OI2026-10-23: 27 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, 2026Viewing27+2
Oct 20, 2026250
Oct 16, 2026250
Oct 14, 202625+1
Oct 13, 202624+1
Oct 09, 2026230
Oct 08, 202623No prior observation