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Contract OI history

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Nov 06, 2026 EXPIRATION

ZETA $31.50 Put

ZETA261106P00031500

Latest saved OI112Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $31.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 119590 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 111 OI2026-10-07: 109 OI2026-10-08: 109 OI2026-10-09: 110 OI2026-10-13: 117 OI2026-10-14: 117 OI2026-10-15: 119 OI2026-10-16: 119 OI2026-10-21: 112 OI2026-10-23: 112 OI Oct 02, 2026Oct 23, 2026

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

ZETA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261120
Oct 21, 2026Viewing112-7
Oct 16, 20261190
Oct 15, 2026119+2
Oct 14, 20261170
Oct 13, 2026117+7
Oct 09, 2026110+1
Oct 08, 20261090
Oct 07, 2026109-2
Oct 06, 2026111+111
Oct 05, 202600
Oct 02, 20260No prior observation