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Contract OI history

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Dec 18, 2026 EXPIRATION

GERN $2.00 Call

GERN261218C00002000

Latest saved OI921Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GERN $2.00 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. 1,0215100 2026-10-08: 1,015 OI2026-10-09: 1,015 OI2026-10-13: 1,020 OI2026-10-14: 1,021 OI2026-10-16: 1,021 OI2026-10-20: 921 OI2026-10-23: 921 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, 2026Viewing9210
Oct 20, 2026921-100
Oct 16, 20261,0210
Oct 14, 20261,021+1
Oct 13, 20261,020+5
Oct 09, 20261,0150
Oct 08, 20261,015No prior observation