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Contract OI history

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Mar 19, 2027 EXPIRATION

SECZ $17.50 Call

SECZ270319C00017500

Latest saved OI346Oct 23, 2026
Last change+1vs 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. 3491740 2026-10-02: 33 OI2026-10-05: 33 OI2026-10-06: 40 OI2026-10-07: 349 OI2026-10-09: 254 OI2026-10-13: 255 OI2026-10-15: 248 OI2026-10-16: 246 OI2026-10-20: 345 OI2026-10-23: 346 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, 2026346+1
Oct 20, 2026Viewing345+99
Oct 16, 2026246-2
Oct 15, 2026248-7
Oct 13, 2026255+1
Oct 09, 2026254-95
Oct 07, 2026349+309
Oct 06, 202640+7
Oct 05, 2026330
Oct 02, 202633No prior observation