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Contract OI history

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Dec 18, 2026 EXPIRATION

DDD $3.50 Put

DDD261218P00003500

Latest saved OI434Oct 21, 2026
Last change+15vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DDD $3.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 4342170 2026-10-02: 219 OI2026-10-05: 319 OI2026-10-06: 319 OI2026-10-07: 419 OI2026-10-08: 419 OI2026-10-09: 419 OI2026-10-13: 419 OI2026-10-15: 419 OI2026-10-16: 419 OI2026-10-21: 434 OI Oct 02, 2026Oct 21, 2026

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

DDD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing434+15
Oct 16, 20264190
Oct 15, 20264190
Oct 13, 20264190
Oct 09, 20264190
Oct 08, 20264190
Oct 07, 2026419+100
Oct 06, 20263190
Oct 05, 2026319+100
Oct 02, 2026219No prior observation