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Contract OI history

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Dec 18, 2026 EXPIRATION

PFSI $75.00 Put

PFSI261218P00075000

Latest saved OI956Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFSI $75.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,1155570 2026-10-02: 1,115 OI2026-10-05: 1,115 OI2026-10-06: 1,115 OI2026-10-07: 1,115 OI2026-10-08: 1,115 OI2026-10-09: 1,115 OI2026-10-13: 1,115 OI2026-10-14: 1,115 OI2026-10-16: 956 OI2026-10-20: 956 OI2026-10-23: 956 OI Oct 02, 2026Oct 23, 2026

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

PFSI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20269560
Oct 20, 2026Viewing9560
Oct 16, 2026956-159
Oct 14, 20261,1150
Oct 13, 20261,1150
Oct 09, 20261,1150
Oct 08, 20261,1150
Oct 07, 20261,1150
Oct 06, 20261,1150
Oct 05, 20261,1150
Oct 02, 20261,115No prior observation