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Contract OI history

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Jan 15, 2027 EXPIRATION

SSYS $7.50 Call

SSYS270115C00007500

Latest saved OI364Oct 23, 2026
Last change+7vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
SSYS $7.50 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. 3641820 2026-10-07: 355 OI2026-10-09: 353 OI2026-10-13: 353 OI2026-10-14: 358 OI2026-10-16: 362 OI2026-10-20: 357 OI2026-10-23: 364 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, 2026Viewing364+7
Oct 20, 2026357-5
Oct 16, 2026362+4
Oct 14, 2026358+5
Oct 13, 20263530
Oct 09, 2026353-2
Oct 07, 2026355No prior observation