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Contract OI history

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Jan 21, 2028 EXPIRATION

ZENA $500.00 Call

ZENA280121C00000500

Latest saved OI962Oct 23, 2026
Last change+10vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ZENA $500.00 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. 9624810 2026-10-08: 907 OI2026-10-09: 929 OI2026-10-13: 937 OI2026-10-14: 937 OI2026-10-15: 937 OI2026-10-16: 952 OI2026-10-20: 952 OI2026-10-23: 962 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, 2026Viewing962+10
Oct 20, 20269520
Oct 16, 2026952+15
Oct 15, 20269370
Oct 14, 20269370
Oct 13, 2026937+8
Oct 09, 2026929+22
Oct 08, 2026907No prior observation