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Contract OI history

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Jan 21, 2028 EXPIRATION

DUK $115.00 Put

DUK280121P00115000

Latest saved OI382Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DUK $115.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3831910 2026-10-02: 211 OI2026-10-05: 211 OI2026-10-06: 171 OI2026-10-07: 198 OI2026-10-08: 241 OI2026-10-09: 279 OI2026-10-13: 341 OI2026-10-14: 367 OI2026-10-15: 360 OI2026-10-16: 360 OI2026-10-21: 383 OI2026-10-23: 382 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, 2026Viewing382-1
Oct 21, 2026383+23
Oct 16, 20263600
Oct 15, 2026360-7
Oct 14, 2026367+26
Oct 13, 2026341+62
Oct 09, 2026279+38
Oct 08, 2026241+43
Oct 07, 2026198+27
Oct 06, 2026171-40
Oct 05, 20262110
Oct 02, 2026211No prior observation