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Contract OI history

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Jan 15, 2027 EXPIRATION

DUK $135.00 Call

DUK270115C00135000

Latest saved OI2,550Oct 23, 2026
Last change+502vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DUK $135.00 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. 2,5501,2750 2026-10-02: 2,004 OI2026-10-05: 2,020 OI2026-10-06: 2,020 OI2026-10-07: 2,020 OI2026-10-08: 2,007 OI2026-10-09: 2,007 OI2026-10-13: 1,999 OI2026-10-14: 2,019 OI2026-10-15: 2,019 OI2026-10-16: 2,017 OI2026-10-21: 2,048 OI2026-10-23: 2,550 OI Oct 02, 2026Oct 23, 2026

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

DUK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,550+502
Oct 21, 20262,048+31
Oct 16, 20262,017-2
Oct 15, 20262,0190
Oct 14, 20262,019+20
Oct 13, 20261,999-8
Oct 09, 20262,0070
Oct 08, 20262,007-13
Oct 07, 20262,0200
Oct 06, 20262,0200
Oct 05, 20262,020+16
Oct 02, 20262,004No prior observation