OITracker Cboe delayed data

Contract OI history

Back to SID

Dec 18, 2026 EXPIRATION

SID $1000.00 Call

SID261218C00001000

Latest saved OI6,455Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SID $1000.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6,4553,2270 2026-10-02: 6,443 OI2026-10-05: 6,443 OI2026-10-06: 6,443 OI2026-10-07: 6,443 OI2026-10-09: 6,443 OI2026-10-13: 6,455 OI2026-10-14: 6,455 OI2026-10-16: 6,455 OI2026-10-20: 6,455 OI2026-10-23: 6,455 OI Oct 02, 2026Oct 23, 2026

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

SID contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6,4550
Oct 20, 20266,4550
Oct 16, 20266,4550
Oct 14, 20266,4550
Oct 13, 20266,455+12
Oct 09, 20266,4430
Oct 07, 20266,4430
Oct 06, 20266,4430
Oct 05, 20266,4430
Oct 02, 20266,443No prior observation