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Contract OI history

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Dec 18, 2026 EXPIRATION

FISV $55.00 Put

FISV261218P00055000

Latest saved OI3,396Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FISV $55.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,4111,7050 2026-10-09: 3,411 OI2026-10-13: 3,398 OI2026-10-14: 3,400 OI2026-10-15: 3,399 OI2026-10-16: 3,399 OI2026-10-21: 3,399 OI2026-10-23: 3,396 OI Oct 09, 2026Oct 23, 2026

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

FISV contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,396-3
Oct 21, 20263,3990
Oct 16, 20263,3990
Oct 15, 20263,399-1
Oct 14, 20263,400+2
Oct 13, 20263,398-13
Oct 09, 20263,411No prior observation