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Contract OI history

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Nov 20, 2026 EXPIRATION

SECZ $17.50 Put

SECZ261120P00017500

Latest saved OI162Oct 23, 2026
Last change+50vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SECZ $17.50 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. 162810 2026-10-02: 107 OI2026-10-05: 107 OI2026-10-06: 106 OI2026-10-07: 106 OI2026-10-09: 112 OI2026-10-13: 112 OI2026-10-15: 112 OI2026-10-16: 112 OI2026-10-20: 112 OI2026-10-23: 162 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, 2026162+50
Oct 20, 2026Viewing1120
Oct 16, 20261120
Oct 15, 20261120
Oct 13, 20261120
Oct 09, 2026112+6
Oct 07, 20261060
Oct 06, 2026106-1
Oct 05, 20261070
Oct 02, 2026107No prior observation