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Contract OI history

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Dec 18, 2026 EXPIRATION

FIS $30.00 Put

FIS261218P00030000

Latest saved OI530Oct 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
FIS $30.00 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. 5552770 2026-10-02: 538 OI2026-10-05: 540 OI2026-10-06: 546 OI2026-10-07: 546 OI2026-10-08: 545 OI2026-10-09: 553 OI2026-10-13: 553 OI2026-10-14: 553 OI2026-10-15: 555 OI2026-10-16: 530 OI2026-10-21: 529 OI2026-10-23: 530 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, 2026Viewing530+1
Oct 21, 2026529-1
Oct 16, 2026530-25
Oct 15, 2026555+2
Oct 14, 20265530
Oct 13, 20265530
Oct 09, 2026553+8
Oct 08, 2026545-1
Oct 07, 20265460
Oct 06, 2026546+6
Oct 05, 2026540+2
Oct 02, 2026538No prior observation