OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SSYS $10.00 Put

SSYS270115P00010000

Latest saved OI375Oct 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 put open interest history 7 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 3751870 2026-10-07: 213 OI2026-10-09: 213 OI2026-10-13: 213 OI2026-10-14: 213 OI2026-10-16: 375 OI2026-10-20: 375 OI2026-10-23: 375 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, 2026Viewing3750
Oct 20, 20263750
Oct 16, 2026375+162
Oct 14, 20262130
Oct 13, 20262130
Oct 09, 20262130
Oct 07, 2026213No prior observation