OITracker Cboe delayed data

Contract OI history

Back to OPEN

May 21, 2027 EXPIRATION

OPEN $6.00 Call

OPEN270521C00006000

Latest saved OI2,698Oct 23, 2026
Last change+12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $6.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,6981,3490 2026-10-09: 2,201 OI2026-10-13: 2,201 OI2026-10-14: 2,201 OI2026-10-15: 2,214 OI2026-10-16: 2,668 OI2026-10-21: 2,686 OI2026-10-23: 2,698 OI Oct 09, 2026Oct 23, 2026

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

OPEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,698+12
Oct 21, 20262,686+18
Oct 16, 20262,668+454
Oct 15, 20262,214+13
Oct 14, 20262,2010
Oct 13, 20262,2010
Oct 09, 20262,201No prior observation