OITracker Cboe delayed data

Contract OI history

Back to SSYS

Dec 18, 2026 EXPIRATION

SSYS $7.50 Call

SSYS261218C00007500

Latest saved OI167Oct 23, 2026
Last change+57vs 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. 167830 2026-10-07: 117 OI2026-10-09: 117 OI2026-10-13: 117 OI2026-10-14: 117 OI2026-10-16: 103 OI2026-10-20: 110 OI2026-10-23: 167 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, 2026Viewing167+57
Oct 20, 2026110+7
Oct 16, 2026103-14
Oct 14, 20261170
Oct 13, 20261170
Oct 09, 20261170
Oct 07, 2026117No prior observation