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Contract OI history

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Dec 18, 2026 EXPIRATION

SECZ $17.50 Call

SECZ261218C00017500

Latest saved OI622Oct 23, 2026
Last change+100vs 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. 6223110 2026-10-02: 529 OI2026-10-05: 527 OI2026-10-06: 518 OI2026-10-07: 536 OI2026-10-09: 582 OI2026-10-13: 582 OI2026-10-15: 581 OI2026-10-16: 581 OI2026-10-20: 522 OI2026-10-23: 622 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, 2026622+100
Oct 20, 2026Viewing522-59
Oct 16, 20265810
Oct 15, 2026581-1
Oct 13, 20265820
Oct 09, 2026582+46
Oct 07, 2026536+18
Oct 06, 2026518-9
Oct 05, 2026527-2
Oct 02, 2026529No prior observation