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Contract OI history

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Dec 18, 2026 EXPIRATION

CIG $2.50 Call

CIG261218C00002500

Latest saved OI1,326Oct 23, 2026
Last change+4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIG $2.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,4727360 2026-10-02: 1,463 OI2026-10-05: 1,472 OI2026-10-06: 1,472 OI2026-10-07: 1,310 OI2026-10-08: 1,215 OI2026-10-09: 1,215 OI2026-10-13: 1,225 OI2026-10-14: 1,290 OI2026-10-16: 1,290 OI2026-10-20: 1,322 OI2026-10-23: 1,326 OI Oct 02, 2026Oct 23, 2026

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

CIG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,326+4
Oct 20, 20261,322+32
Oct 16, 20261,2900
Oct 14, 20261,290+65
Oct 13, 20261,225+10
Oct 09, 20261,2150
Oct 08, 20261,215-95
Oct 07, 20261,310-162
Oct 06, 20261,4720
Oct 05, 20261,472+9
Oct 02, 20261,463No prior observation