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Contract OI history

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Mar 19, 2027 EXPIRATION

SECZ $12.50 Put

SECZ270319P00012500

Latest saved OI486Oct 23, 2026
Last change+30vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SECZ $12.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4862430 2026-10-02: 179 OI2026-10-05: 179 OI2026-10-06: 176 OI2026-10-07: 179 OI2026-10-09: 183 OI2026-10-13: 456 OI2026-10-15: 456 OI2026-10-16: 456 OI2026-10-20: 456 OI2026-10-23: 486 OI Oct 02, 2026Oct 23, 2026

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

SECZ contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026486+30
Oct 20, 2026Viewing4560
Oct 16, 20264560
Oct 15, 20264560
Oct 13, 2026456+273
Oct 09, 2026183+4
Oct 07, 2026179+3
Oct 06, 2026176-3
Oct 05, 20261790
Oct 02, 2026179No prior observation