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Contract OI history

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Jan 15, 2027 EXPIRATION

SIG $145.00 Call

SIG270115C00145000

Latest saved OI306Oct 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 $145.00 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. 3061530 2026-10-02: 302 OI2026-10-06: 302 OI2026-10-07: 302 OI2026-10-08: 302 OI2026-10-13: 302 OI2026-10-14: 302 OI2026-10-15: 302 OI2026-10-16: 302 OI2026-10-20: 306 OI2026-10-23: 306 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, 20263060
Oct 20, 2026Viewing306+4
Oct 16, 20263020
Oct 15, 20263020
Oct 14, 20263020
Oct 13, 20263020
Oct 08, 20263020
Oct 07, 20263020
Oct 06, 20263020
Oct 02, 2026302No prior observation