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Contract OI history

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Dec 18, 2026 EXPIRATION

FISV $50.00 Put

FISV261218P00050000

Latest saved OI5,286Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FISV $50.00 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. 5,2862,6430 2026-10-09: 5,286 OI2026-10-13: 5,278 OI2026-10-14: 5,278 OI2026-10-15: 5,282 OI2026-10-16: 5,277 OI2026-10-21: 5,282 OI2026-10-23: 5,286 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, 2026Viewing5,286+4
Oct 21, 20265,282+5
Oct 16, 20265,277-5
Oct 15, 20265,282+4
Oct 14, 20265,2780
Oct 13, 20265,278-8
Oct 09, 20265,286No prior observation