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Contract OI history

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Jan 21, 2028 EXPIRATION

SSYS $10.00 Call

SSYS280121C00010000

Latest saved OI800Oct 23, 2026
Last change0vs 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. 8004000 2026-10-07: 772 OI2026-10-09: 773 OI2026-10-13: 775 OI2026-10-14: 773 OI2026-10-16: 800 OI2026-10-20: 800 OI2026-10-23: 800 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, 2026Viewing8000
Oct 20, 20268000
Oct 16, 2026800+27
Oct 14, 2026773-2
Oct 13, 2026775+2
Oct 09, 2026773+1
Oct 07, 2026772No prior observation