OITracker Cboe delayed data

Contract OI history

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Sep 15, 2028 EXPIRATION

OPEN $4.00 Call

OPEN280915C00004000

Latest saved OI2,063Oct 23, 2026
Last change-400vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $4.00 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. 2,4631,2310 2026-10-09: 2,030 OI2026-10-13: 2,056 OI2026-10-14: 2,056 OI2026-10-15: 2,056 OI2026-10-16: 2,058 OI2026-10-21: 2,463 OI2026-10-23: 2,063 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, 2026Viewing2,063-400
Oct 21, 20262,463+405
Oct 16, 20262,058+2
Oct 15, 20262,0560
Oct 14, 20262,0560
Oct 13, 20262,056+26
Oct 09, 20262,030No prior observation