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Contract OI history

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Jan 15, 2027 EXPIRATION

PFSI $80.00 Put

PFSI270115P00080000

Latest saved OI192Oct 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 $80.00 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. 2081040 2026-10-02: 208 OI2026-10-05: 208 OI2026-10-06: 208 OI2026-10-07: 208 OI2026-10-08: 208 OI2026-10-09: 208 OI2026-10-13: 208 OI2026-10-14: 192 OI2026-10-16: 192 OI2026-10-20: 192 OI2026-10-23: 192 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, 20261920
Oct 20, 2026Viewing1920
Oct 16, 20261920
Oct 14, 2026192-16
Oct 13, 20262080
Oct 09, 20262080
Oct 08, 20262080
Oct 07, 20262080
Oct 06, 20262080
Oct 05, 20262080
Oct 02, 2026208No prior observation