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Contract OI history

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Jan 15, 2027 EXPIRATION

ZENA $1.50 Put

ZENA270115P00001500

Latest saved OI851Oct 23, 2026
Last change-23vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ZENA $1.50 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 8744370 2026-10-08: 853 OI2026-10-09: 864 OI2026-10-13: 864 OI2026-10-14: 864 OI2026-10-15: 864 OI2026-10-16: 864 OI2026-10-20: 874 OI2026-10-23: 851 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, 2026Viewing851-23
Oct 20, 2026874+10
Oct 16, 20268640
Oct 15, 20268640
Oct 14, 20268640
Oct 13, 20268640
Oct 09, 2026864+11
Oct 08, 2026853No prior observation