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Contract OI history

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Dec 18, 2026 EXPIRATION

SSYS $15.00 Call

SSYS261218C00015000

Latest saved OI340Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
SSYS $15.00 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. 3451720 2026-10-07: 345 OI2026-10-09: 345 OI2026-10-13: 345 OI2026-10-14: 345 OI2026-10-16: 345 OI2026-10-20: 345 OI2026-10-23: 340 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, 2026Viewing340-5
Oct 20, 20263450
Oct 16, 20263450
Oct 14, 20263450
Oct 13, 20263450
Oct 09, 20263450
Oct 07, 2026345No prior observation