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Contract OI history

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Jan 15, 2027 EXPIRATION

GERN $1.50 Put

GERN270115P00001500

Latest saved OI1,447Oct 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 $1.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1,4477230 2026-10-08: 1,447 OI2026-10-09: 1,447 OI2026-10-13: 1,447 OI2026-10-14: 1,447 OI2026-10-16: 1,447 OI2026-10-20: 1,447 OI2026-10-23: 1,447 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, 2026Viewing1,4470
Oct 20, 20261,4470
Oct 16, 20261,4470
Oct 14, 20261,4470
Oct 13, 20261,4470
Oct 09, 20261,4470
Oct 08, 20261,447No prior observation