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Contract OI history

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Dec 18, 2026 EXPIRATION

DUK $115.00 Put

DUK261218P00115000

Latest saved OI1,112Oct 23, 2026
Last change+68vs 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. 1,1315650 2026-10-02: 1,128 OI2026-10-05: 1,128 OI2026-10-06: 1,131 OI2026-10-07: 1,025 OI2026-10-08: 1,027 OI2026-10-09: 1,032 OI2026-10-13: 1,029 OI2026-10-14: 1,029 OI2026-10-15: 1,029 OI2026-10-16: 1,018 OI2026-10-21: 1,044 OI2026-10-23: 1,112 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, 2026Viewing1,112+68
Oct 21, 20261,044+26
Oct 16, 20261,018-11
Oct 15, 20261,0290
Oct 14, 20261,0290
Oct 13, 20261,029-3
Oct 09, 20261,032+5
Oct 08, 20261,027+2
Oct 07, 20261,025-106
Oct 06, 20261,131+3
Oct 05, 20261,1280
Oct 02, 20261,128No prior observation