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Contract OI history

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Jan 15, 2027 EXPIRATION

ZION $55.00 Put

ZION270115P00055000

Latest saved OI602Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZION $55.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6023010 2026-10-09: 601 OI2026-10-14: 601 OI2026-10-15: 601 OI2026-10-16: 601 OI2026-10-21: 602 OI2026-10-23: 602 OI Oct 09, 2026Oct 23, 2026

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

ZION contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6020
Oct 21, 2026602+1
Oct 16, 20266010
Oct 15, 20266010
Oct 14, 20266010
Oct 09, 2026601No prior observation