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Contract OI history

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Oct 23, 2026 EXPIRATION

DELL $520.00 Put

DELL261023P00520000

Latest saved OI25Oct 23, 2026
Last change-461vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $520.00 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. 4862430 2026-10-02: 172 OI2026-10-05: 173 OI2026-10-06: 237 OI2026-10-07: 243 OI2026-10-08: 243 OI2026-10-09: 276 OI2026-10-13: 316 OI2026-10-14: 316 OI2026-10-15: 433 OI2026-10-16: 466 OI2026-10-21: 486 OI2026-10-23: 25 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, 2026Viewing25-461
Oct 21, 2026486+20
Oct 16, 2026466+33
Oct 15, 2026433+117
Oct 14, 20263160
Oct 13, 2026316+40
Oct 09, 2026276+33
Oct 08, 20262430
Oct 07, 2026243+6
Oct 06, 2026237+64
Oct 05, 2026173+1
Oct 02, 2026172No prior observation