OITracker Cboe delayed data

Contract OI history

Back to RF

Mar 19, 2027 EXPIRATION

RF $18.00 Put

RF270319P00018000

Latest saved OI4,081Oct 23, 2026
Last change+19vs 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. 4,0812,0400 2026-10-02: 4,062 OI2026-10-05: 4,062 OI2026-10-06: 4,062 OI2026-10-07: 4,062 OI2026-10-08: 4,062 OI2026-10-09: 4,062 OI2026-10-13: 4,062 OI2026-10-14: 4,062 OI2026-10-15: 4,062 OI2026-10-16: 4,062 OI2026-10-21: 4,062 OI2026-10-23: 4,081 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, 2026Viewing4,081+19
Oct 21, 20264,0620
Oct 16, 20264,0620
Oct 15, 20264,0620
Oct 14, 20264,0620
Oct 13, 20264,0620
Oct 09, 20264,0620
Oct 08, 20264,0620
Oct 07, 20264,0620
Oct 06, 20264,0620
Oct 05, 20264,0620
Oct 02, 20264,062No prior observation