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Contract OI history

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Dec 18, 2026 EXPIRATION

FIX $600.00 Put

FIX261218P00600000

Latest saved OI365Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FIX $600.00 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. 3901950 2026-10-02: 390 OI2026-10-05: 389 OI2026-10-06: 385 OI2026-10-07: 387 OI2026-10-08: 387 OI2026-10-09: 385 OI2026-10-13: 384 OI2026-10-14: 384 OI2026-10-15: 384 OI2026-10-16: 384 OI2026-10-21: 364 OI2026-10-23: 365 OI Oct 02, 2026Oct 23, 2026

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

FIX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing365+1
Oct 21, 2026364-20
Oct 16, 20263840
Oct 15, 20263840
Oct 14, 20263840
Oct 13, 2026384-1
Oct 09, 2026385-2
Oct 08, 20263870
Oct 07, 2026387+2
Oct 06, 2026385-4
Oct 05, 2026389-1
Oct 02, 2026390No prior observation