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Contract OI history

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Dec 18, 2026 EXPIRATION

COST $1200.00 Call

COST261218C01200000

Latest saved OI1,170Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $1200.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,1705850 2026-10-09: 986 OI2026-10-13: 1,114 OI2026-10-14: 1,114 OI2026-10-15: 1,110 OI2026-10-16: 1,126 OI2026-10-21: 1,164 OI2026-10-23: 1,170 OI Oct 09, 2026Oct 23, 2026

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

COST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,170+6
Oct 21, 20261,164+38
Oct 16, 20261,126+16
Oct 15, 20261,110-4
Oct 14, 20261,1140
Oct 13, 20261,114+128
Oct 09, 2026986No prior observation