OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

RSKD $12.50 Call

RSKD261218C00012500

Latest saved OI200Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RSKD $12.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2011000 2026-10-02: 196 OI2026-10-05: 196 OI2026-10-06: 196 OI2026-10-07: 196 OI2026-10-08: 200 OI2026-10-09: 200 OI2026-10-13: 201 OI2026-10-14: 201 OI2026-10-16: 201 OI2026-10-20: 201 OI2026-10-23: 200 OI Oct 02, 2026Oct 23, 2026

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

RSKD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing200-1
Oct 20, 20262010
Oct 16, 20262010
Oct 14, 20262010
Oct 13, 2026201+1
Oct 09, 20262000
Oct 08, 2026200+4
Oct 07, 20261960
Oct 06, 20261960
Oct 05, 20261960
Oct 02, 2026196No prior observation