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Contract OI history

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Oct 23, 2026 EXPIRATION

COST $940.00 Call

COST261023C00940000

Latest saved OI219Oct 23, 2026
Last change-5vs 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. 2801400 2026-10-09: 250 OI2026-10-13: 280 OI2026-10-14: 280 OI2026-10-15: 267 OI2026-10-16: 248 OI2026-10-21: 224 OI2026-10-23: 219 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, 2026Viewing219-5
Oct 21, 2026224-24
Oct 16, 2026248-19
Oct 15, 2026267-13
Oct 14, 20262800
Oct 13, 2026280+30
Oct 09, 2026250No prior observation