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Contract OI history

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May 21, 2027 EXPIRATION

COGT $40.00 Call

COGT270521C00040000

Latest saved OI1,291Oct 23, 2026
Last change-194vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
COGT $40.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1,5007500 2026-10-08: 1,500 OI2026-10-13: 1,500 OI2026-10-14: 1,500 OI2026-10-16: 1,500 OI2026-10-20: 1,485 OI2026-10-23: 1,291 OI Oct 08, 2026Oct 23, 2026

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

COGT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,291-194
Oct 20, 20261,485-15
Oct 16, 20261,5000
Oct 14, 20261,5000
Oct 13, 20261,5000
Oct 08, 20261,500No prior observation