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Contract OI history

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Jan 21, 2028 EXPIRATION

ZION $30.00 Put

ZION280121P00030000

Latest saved OI15Oct 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 $30.00 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. 1570 2026-10-09: 13 OI2026-10-14: 13 OI2026-10-15: 13 OI2026-10-16: 13 OI2026-10-21: 15 OI2026-10-23: 15 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, 2026Viewing150
Oct 21, 202615+2
Oct 16, 2026130
Oct 15, 2026130
Oct 14, 2026130
Oct 09, 202613No prior observation