OITracker Cboe delayed data

Contract OI history

Back to SO

Jan 21, 2028 EXPIRATION

SO $85.00 Call

SO280121C00085000

Latest saved OI620Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SO $85.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6223110 2026-10-02: 621 OI2026-10-05: 620 OI2026-10-06: 622 OI2026-10-07: 622 OI2026-10-08: 622 OI2026-10-09: 615 OI2026-10-13: 617 OI2026-10-14: 617 OI2026-10-15: 617 OI2026-10-16: 617 OI2026-10-21: 620 OI2026-10-23: 620 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6200
Oct 21, 2026620+3
Oct 16, 20266170
Oct 15, 20266170
Oct 14, 20266170
Oct 13, 2026617+2
Oct 09, 2026615-7
Oct 08, 20266220
Oct 07, 20266220
Oct 06, 2026622+2
Oct 05, 2026620-1
Oct 02, 2026621No prior observation