OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

MAIN $64.70 Put

MAIN261120P00064700

Latest saved OI1Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MAIN $64.70 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 730 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 7 OI2026-10-08: 7 OI2026-10-13: 7 OI2026-10-14: 7 OI2026-10-15: 7 OI2026-10-16: 7 OI2026-10-21: 1 OI2026-10-23: 1 OI Oct 02, 2026Oct 23, 2026

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

MAIN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202610
Oct 21, 2026Viewing1-6
Oct 16, 202670
Oct 15, 202670
Oct 14, 202670
Oct 13, 202670
Oct 08, 202670
Oct 07, 20267+7
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation