OITracker Cboe delayed data

Contract OI history

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Apr 16, 2027 EXPIRATION

WRB $40.00 Call

WRB270416C00040000

Latest saved OI546Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WRB $40.00 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. 5462730 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 306 OI2026-10-14: 306 OI2026-10-15: 306 OI2026-10-16: 542 OI2026-10-21: 546 OI2026-10-23: 546 OI Oct 02, 2026Oct 23, 2026

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

WRB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5460
Oct 21, 2026546+4
Oct 16, 2026542+236
Oct 15, 20263060
Oct 14, 20263060
Oct 09, 2026306+306
Oct 08, 202600
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation