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Contract OI history

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Nov 20, 2026 EXPIRATION

CERT $7.50 Call

CERT261120C00007500

Latest saved OI351Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CERT $7.50 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. 3691840 2026-10-09: 369 OI2026-10-13: 369 OI2026-10-14: 368 OI2026-10-15: 368 OI2026-10-16: 363 OI2026-10-21: 360 OI2026-10-23: 351 OI Oct 09, 2026Oct 23, 2026

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

CERT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing351-9
Oct 21, 2026360-3
Oct 16, 2026363-5
Oct 15, 20263680
Oct 14, 2026368-1
Oct 13, 20263690
Oct 09, 2026369No prior observation