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Contract OI history

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Dec 18, 2026 EXPIRATION

FIS $32.50 Put

FIS261218P00032500

Latest saved OI1,061Oct 23, 2026
Last change+11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FIS $32.50 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. 1,0615300 2026-10-02: 685 OI2026-10-05: 687 OI2026-10-06: 679 OI2026-10-07: 679 OI2026-10-08: 686 OI2026-10-09: 778 OI2026-10-13: 778 OI2026-10-14: 781 OI2026-10-15: 738 OI2026-10-16: 734 OI2026-10-21: 1,050 OI2026-10-23: 1,061 OI Oct 02, 2026Oct 23, 2026

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

FIS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,061+11
Oct 21, 20261,050+316
Oct 16, 2026734-4
Oct 15, 2026738-43
Oct 14, 2026781+3
Oct 13, 20267780
Oct 09, 2026778+92
Oct 08, 2026686+7
Oct 07, 20266790
Oct 06, 2026679-8
Oct 05, 2026687+2
Oct 02, 2026685No prior observation