OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

ON $70.00 Call

ON261218C00070000

Latest saved OI563Oct 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 $70.00 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. 5782890 2026-10-09: 548 OI2026-10-13: 546 OI2026-10-14: 546 OI2026-10-15: 577 OI2026-10-16: 578 OI2026-10-21: 563 OI2026-10-23: 563 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, 2026Viewing5630
Oct 21, 2026563-15
Oct 16, 2026578+1
Oct 15, 2026577+31
Oct 14, 20265460
Oct 13, 2026546-2
Oct 09, 2026548No prior observation