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Contract OI history

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Jan 21, 2028 EXPIRATION

ZENA $1.50 Call

ZENA280121C00001500

Latest saved OI2,151Oct 23, 2026
Last change+1vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ZENA $1.50 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. 2,1971,0980 2026-10-08: 2,177 OI2026-10-09: 2,197 OI2026-10-13: 2,149 OI2026-10-14: 2,149 OI2026-10-15: 2,149 OI2026-10-16: 2,148 OI2026-10-20: 2,150 OI2026-10-23: 2,151 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, 2026Viewing2,151+1
Oct 20, 20262,150+2
Oct 16, 20262,148-1
Oct 15, 20262,1490
Oct 14, 20262,1490
Oct 13, 20262,149-48
Oct 09, 20262,197+20
Oct 08, 20262,177No prior observation