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Contract OI history

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Nov 20, 2026 EXPIRATION

SECZ $17.50 Call

SECZ261120C00017500

Latest saved OI2,982Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SECZ $17.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,9821,4910 2026-10-02: 2,616 OI2026-10-05: 2,636 OI2026-10-06: 2,604 OI2026-10-07: 2,628 OI2026-10-09: 2,980 OI2026-10-13: 2,975 OI2026-10-15: 2,970 OI2026-10-16: 2,972 OI2026-10-20: 2,982 OI2026-10-23: 2,982 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, 20262,9820
Oct 20, 2026Viewing2,982+10
Oct 16, 20262,972+2
Oct 15, 20262,970-5
Oct 13, 20262,975-5
Oct 09, 20262,980+352
Oct 07, 20262,628+24
Oct 06, 20262,604-32
Oct 05, 20262,636+20
Oct 02, 20262,616No prior observation