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Contract OI history

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Jan 15, 2027 EXPIRATION

ZENA $2.50 Call

ZENA270115C00002500

Latest saved OI5,398Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ZENA $2.50 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5,4282,7140 2026-10-08: 5,428 OI2026-10-09: 5,408 OI2026-10-13: 5,408 OI2026-10-14: 5,408 OI2026-10-15: 5,408 OI2026-10-16: 5,412 OI2026-10-20: 5,398 OI2026-10-23: 5,398 OI Oct 08, 2026Oct 23, 2026

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

ZENA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5,3980
Oct 20, 20265,398-14
Oct 16, 20265,412+4
Oct 15, 20265,4080
Oct 14, 20265,4080
Oct 13, 20265,4080
Oct 09, 20265,408-20
Oct 08, 20265,428No prior observation