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Contract OI history

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Nov 20, 2026 EXPIRATION

COST $940.00 Call

COST261120C00940000

Latest saved OI292Oct 23, 2026
Last change+17vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $940.00 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. 3421710 2026-10-09: 342 OI2026-10-13: 330 OI2026-10-14: 330 OI2026-10-15: 317 OI2026-10-16: 290 OI2026-10-21: 275 OI2026-10-23: 292 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, 2026Viewing292+17
Oct 21, 2026275-15
Oct 16, 2026290-27
Oct 15, 2026317-13
Oct 14, 20263300
Oct 13, 2026330-12
Oct 09, 2026342No prior observation