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Contract OI history

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Dec 18, 2026 EXPIRATION

SECZ $12.50 Put

SECZ261218P00012500

Latest saved OI363Oct 23, 2026
Last change+5vs 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. 3631810 2026-10-02: 291 OI2026-10-05: 287 OI2026-10-06: 292 OI2026-10-07: 292 OI2026-10-09: 262 OI2026-10-13: 317 OI2026-10-15: 319 OI2026-10-16: 324 OI2026-10-20: 358 OI2026-10-23: 363 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, 2026363+5
Oct 20, 2026Viewing358+34
Oct 16, 2026324+5
Oct 15, 2026319+2
Oct 13, 2026317+55
Oct 09, 2026262-30
Oct 07, 20262920
Oct 06, 2026292+5
Oct 05, 2026287-4
Oct 02, 2026291No prior observation