OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CGEM $19.00 Put

CGEM261120P00019000

Latest saved OI243Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CGEM $19.00 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. 2431210 2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 152 OI2026-10-14: 152 OI2026-10-16: 201 OI2026-10-20: 243 OI2026-10-23: 243 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, 2026Viewing2430
Oct 20, 2026243+42
Oct 16, 2026201+49
Oct 14, 20261520
Oct 13, 2026152+150
Oct 09, 202620
Oct 08, 20262No prior observation