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Contract OI history

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Nov 20, 2026 EXPIRATION

ROK $440.00 Call

ROK261120C00440000

Latest saved OI114Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ROK $440.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 118590 2026-10-02: 78 OI2026-10-05: 78 OI2026-10-06: 74 OI2026-10-07: 74 OI2026-10-08: 73 OI2026-10-09: 73 OI2026-10-13: 75 OI2026-10-14: 75 OI2026-10-15: 75 OI2026-10-16: 75 OI2026-10-21: 118 OI2026-10-23: 114 OI Oct 02, 2026Oct 23, 2026

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

ROK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026114-4
Oct 21, 2026Viewing118+43
Oct 16, 2026750
Oct 15, 2026750
Oct 14, 2026750
Oct 13, 202675+2
Oct 09, 2026730
Oct 08, 202673-1
Oct 07, 2026740
Oct 06, 202674-4
Oct 05, 2026780
Oct 02, 202678No prior observation