OITracker Cboe delayed data

Contract OI history

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Aug 20, 2027 EXPIRATION

ON $80.00 Call

ON270820C00080000

Latest saved OI1,423Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $80.00 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. 1,4237110 2026-10-09: 1,422 OI2026-10-13: 1,423 OI2026-10-14: 1,423 OI2026-10-15: 1,423 OI2026-10-16: 1,423 OI2026-10-21: 1,423 OI2026-10-23: 1,423 OI Oct 09, 2026Oct 23, 2026

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

ON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,4230
Oct 21, 20261,4230
Oct 16, 20261,4230
Oct 15, 20261,4230
Oct 14, 20261,4230
Oct 13, 20261,423+1
Oct 09, 20261,422No prior observation