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Contract OI history

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Jan 15, 2027 EXPIRATION

SIG $155.00 Call

SIG270115C00155000

Latest saved OI88Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SIG $155.00 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. 88440 2026-10-02: 75 OI2026-10-06: 75 OI2026-10-07: 75 OI2026-10-08: 75 OI2026-10-13: 75 OI2026-10-14: 75 OI2026-10-15: 75 OI2026-10-16: 85 OI2026-10-20: 88 OI2026-10-23: 88 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SIG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026880
Oct 20, 2026Viewing88+3
Oct 16, 202685+10
Oct 15, 2026750
Oct 14, 2026750
Oct 13, 2026750
Oct 08, 2026750
Oct 07, 2026750
Oct 06, 2026750
Oct 02, 202675No prior observation