OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

RY $230.00 Put

RY261218P00230000

Latest saved OI850Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RY $230.00 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. 8504250 2026-10-02: 700 OI2026-10-05: 700 OI2026-10-06: 700 OI2026-10-07: 700 OI2026-10-08: 700 OI2026-10-09: 700 OI2026-10-13: 700 OI2026-10-15: 700 OI2026-10-16: 850 OI2026-10-20: 850 OI2026-10-23: 850 OI Oct 02, 2026Oct 23, 2026

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

RY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20268500
Oct 20, 2026Viewing8500
Oct 16, 2026850+150
Oct 15, 20267000
Oct 13, 20267000
Oct 09, 20267000
Oct 08, 20267000
Oct 07, 20267000
Oct 06, 20267000
Oct 05, 20267000
Oct 02, 2026700No prior observation