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Contract OI history

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Oct 23, 2026 EXPIRATION

DELL $400.00 Put

DELL261023P00400000

Latest saved OI2,798Oct 23, 2026
Last change-63vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $400.00 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. 2,8611,4300 2026-10-02: 151 OI2026-10-05: 156 OI2026-10-06: 136 OI2026-10-07: 135 OI2026-10-08: 135 OI2026-10-09: 213 OI2026-10-13: 221 OI2026-10-14: 221 OI2026-10-15: 244 OI2026-10-16: 393 OI2026-10-21: 2,861 OI2026-10-23: 2,798 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, 2026Viewing2,798-63
Oct 21, 20262,861+2,468
Oct 16, 2026393+149
Oct 15, 2026244+23
Oct 14, 20262210
Oct 13, 2026221+8
Oct 09, 2026213+78
Oct 08, 20261350
Oct 07, 2026135-1
Oct 06, 2026136-20
Oct 05, 2026156+5
Oct 02, 2026151No prior observation