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Contract OI history

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Nov 20, 2026 EXPIRATION

DELL $420.00 Put

DELL261120P00420000

Latest saved OI2,151Oct 23, 2026
Last change+884vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $420.00 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. 2,1511,0750 2026-10-02: 849 OI2026-10-05: 856 OI2026-10-06: 913 OI2026-10-07: 924 OI2026-10-08: 924 OI2026-10-09: 936 OI2026-10-13: 935 OI2026-10-14: 935 OI2026-10-15: 1,025 OI2026-10-16: 1,072 OI2026-10-21: 1,267 OI2026-10-23: 2,151 OI Oct 02, 2026Oct 23, 2026

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

DELL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,151+884
Oct 21, 20261,267+195
Oct 16, 20261,072+47
Oct 15, 20261,025+90
Oct 14, 20269350
Oct 13, 2026935-1
Oct 09, 2026936+12
Oct 08, 20269240
Oct 07, 2026924+11
Oct 06, 2026913+57
Oct 05, 2026856+7
Oct 02, 2026849No prior observation