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Contract OI history

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Dec 18, 2026 EXPIRATION

FISV $40.00 Put

FISV261218P00040000

Latest saved OI1,641Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FISV $40.00 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. 1,6478230 2026-10-09: 1,449 OI2026-10-13: 1,617 OI2026-10-14: 1,615 OI2026-10-15: 1,615 OI2026-10-16: 1,647 OI2026-10-21: 1,635 OI2026-10-23: 1,641 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, 2026Viewing1,641+6
Oct 21, 20261,635-12
Oct 16, 20261,647+32
Oct 15, 20261,6150
Oct 14, 20261,615-2
Oct 13, 20261,617+168
Oct 09, 20261,449No prior observation