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Contract OI history

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Dec 17, 2027 EXPIRATION

CGEM $27.00 Put

CGEM271217P00027000

Latest saved OI1,223Oct 23, 2026
Last change+78vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CGEM $27.00 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. 1,2236110 2026-10-08: 786 OI2026-10-09: 791 OI2026-10-13: 857 OI2026-10-14: 875 OI2026-10-16: 914 OI2026-10-20: 1,145 OI2026-10-23: 1,223 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, 2026Viewing1,223+78
Oct 20, 20261,145+231
Oct 16, 2026914+39
Oct 14, 2026875+18
Oct 13, 2026857+66
Oct 09, 2026791+5
Oct 08, 2026786No prior observation