OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

RF $18.00 Put

RF270115P00018000

Latest saved OI785Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RF $18.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7853920 2026-10-02: 705 OI2026-10-05: 705 OI2026-10-06: 705 OI2026-10-07: 785 OI2026-10-08: 785 OI2026-10-09: 785 OI2026-10-13: 785 OI2026-10-14: 785 OI2026-10-15: 785 OI2026-10-16: 785 OI2026-10-21: 785 OI2026-10-23: 785 OI Oct 02, 2026Oct 23, 2026

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

RF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7850
Oct 21, 20267850
Oct 16, 20267850
Oct 15, 20267850
Oct 14, 20267850
Oct 13, 20267850
Oct 09, 20267850
Oct 08, 20267850
Oct 07, 2026785+80
Oct 06, 20267050
Oct 05, 20267050
Oct 02, 2026705No prior observation