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Contract OI history

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Dec 18, 2026 EXPIRATION

FISV $35.00 Put

FISV261218P00035000

Latest saved OI1,147Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FISV $35.00 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. 1,1545770 2026-10-09: 980 OI2026-10-13: 1,153 OI2026-10-14: 1,153 OI2026-10-15: 1,153 OI2026-10-16: 1,154 OI2026-10-21: 1,147 OI2026-10-23: 1,147 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, 2026Viewing1,1470
Oct 21, 20261,147-7
Oct 16, 20261,154+1
Oct 15, 20261,1530
Oct 14, 20261,1530
Oct 13, 20261,153+173
Oct 09, 2026980No prior observation