OITracker Cboe delayed data

Contract OI history

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May 21, 2027 EXPIRATION

EDIT $5.00 Call

EDIT270521C00005000

Latest saved OI130Oct 23, 2026
Last change-23vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
EDIT $5.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 153760 2026-10-08: 121 OI2026-10-09: 121 OI2026-10-13: 121 OI2026-10-14: 121 OI2026-10-16: 121 OI2026-10-20: 153 OI2026-10-23: 130 OI Oct 08, 2026Oct 23, 2026

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

EDIT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing130-23
Oct 20, 2026153+32
Oct 16, 20261210
Oct 14, 20261210
Oct 13, 20261210
Oct 09, 20261210
Oct 08, 2026121No prior observation