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Contract OI history

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Mar 19, 2027 EXPIRATION

GERN $1000.00 Call

GERN270319C00001000

Latest saved OI623Oct 23, 2026
Last change+11vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GERN $1000.00 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. 6233110 2026-10-08: 612 OI2026-10-09: 612 OI2026-10-13: 612 OI2026-10-14: 612 OI2026-10-16: 612 OI2026-10-20: 612 OI2026-10-23: 623 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, 2026Viewing623+11
Oct 20, 20266120
Oct 16, 20266120
Oct 14, 20266120
Oct 13, 20266120
Oct 09, 20266120
Oct 08, 2026612No prior observation