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Contract OI history

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Nov 20, 2026 EXPIRATION

CERT $5.00 Call

CERT261120C00005000

Latest saved OI110Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CERT $5.00 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. 154770 2026-10-09: 154 OI2026-10-13: 154 OI2026-10-14: 112 OI2026-10-15: 112 OI2026-10-16: 111 OI2026-10-21: 111 OI2026-10-23: 110 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, 2026Viewing110-1
Oct 21, 20261110
Oct 16, 2026111-1
Oct 15, 20261120
Oct 14, 2026112-42
Oct 13, 20261540
Oct 09, 2026154No prior observation