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Contract OI history

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Jan 19, 2029 EXPIRATION

ZENA $500.00 Call

ZENA290119C00000500

Latest saved OI37Oct 23, 2026
Last change+14vs 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. 37180 2026-10-08: 20 OI2026-10-09: 23 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-15: 23 OI2026-10-16: 23 OI2026-10-20: 23 OI2026-10-23: 37 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, 2026Viewing37+14
Oct 20, 2026230
Oct 16, 2026230
Oct 15, 2026230
Oct 14, 2026230
Oct 13, 2026230
Oct 09, 202623+3
Oct 08, 202620No prior observation