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Contract OI history

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Dec 17, 2027 EXPIRATION

CGEM $12.00 Put

CGEM271217P00012000

Latest saved OI180Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CGEM $12.00 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. 180900 2026-10-08: 14 OI2026-10-09: 14 OI2026-10-13: 14 OI2026-10-14: 14 OI2026-10-16: 14 OI2026-10-20: 172 OI2026-10-23: 180 OI Oct 08, 2026Oct 23, 2026

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

CGEM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing180+8
Oct 20, 2026172+158
Oct 16, 2026140
Oct 14, 2026140
Oct 13, 2026140
Oct 09, 2026140
Oct 08, 202614No prior observation