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Contract OI history

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Dec 18, 2026 EXPIRATION

PFSI $85.00 Call

PFSI261218C00085000

Latest saved OI438Oct 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 $85.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4382190 2026-10-02: 438 OI2026-10-05: 438 OI2026-10-06: 438 OI2026-10-07: 438 OI2026-10-08: 438 OI2026-10-09: 438 OI2026-10-13: 438 OI2026-10-14: 438 OI2026-10-16: 438 OI2026-10-20: 438 OI2026-10-23: 438 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, 20264380
Oct 20, 2026Viewing4380
Oct 16, 20264380
Oct 14, 20264380
Oct 13, 20264380
Oct 09, 20264380
Oct 08, 20264380
Oct 07, 20264380
Oct 06, 20264380
Oct 05, 20264380
Oct 02, 2026438No prior observation