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Contract OI history

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Nov 20, 2026 EXPIRATION

PFSI $65.00 Put

PFSI261120P00065000

Latest saved OI2,103Oct 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 $65.00 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. 2,1031,0510 2026-10-02: 1,605 OI2026-10-05: 1,705 OI2026-10-06: 1,805 OI2026-10-07: 1,810 OI2026-10-08: 1,810 OI2026-10-09: 1,960 OI2026-10-13: 2,103 OI2026-10-14: 2,103 OI2026-10-16: 2,103 OI2026-10-20: 2,103 OI2026-10-23: 2,103 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, 20262,1030
Oct 20, 2026Viewing2,1030
Oct 16, 20262,1030
Oct 14, 20262,1030
Oct 13, 20262,103+143
Oct 09, 20261,960+150
Oct 08, 20261,8100
Oct 07, 20261,810+5
Oct 06, 20261,805+100
Oct 05, 20261,705+100
Oct 02, 20261,605No prior observation