OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SSYS $10.00 Call

SSYS270115C00010000

Latest saved OI1,817Oct 23, 2026
Last change-15vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
SSYS $10.00 call open interest history 7 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 1,8699340 2026-10-07: 1,869 OI2026-10-09: 1,868 OI2026-10-13: 1,818 OI2026-10-14: 1,820 OI2026-10-16: 1,819 OI2026-10-20: 1,832 OI2026-10-23: 1,817 OI Oct 07, 2026Oct 23, 2026

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

SSYS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,817-15
Oct 20, 20261,832+13
Oct 16, 20261,819-1
Oct 14, 20261,820+2
Oct 13, 20261,818-50
Oct 09, 20261,868-1
Oct 07, 20261,869No prior observation