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Contract OI history

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May 21, 2027 EXPIRATION

FPS $37.50 Put

FPS270521P00037500

Latest saved OI18Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FPS $37.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 21100 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 17 OI2026-10-07: 17 OI2026-10-08: 20 OI2026-10-09: 20 OI2026-10-13: 20 OI2026-10-14: 20 OI2026-10-15: 21 OI2026-10-16: 21 OI2026-10-21: 21 OI2026-10-23: 18 OI Oct 02, 2026Oct 23, 2026

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

FPS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing18-3
Oct 21, 2026210
Oct 16, 2026210
Oct 15, 202621+1
Oct 14, 2026200
Oct 13, 2026200
Oct 09, 2026200
Oct 08, 202620+3
Oct 07, 2026170
Oct 06, 202617+17
Oct 05, 202600
Oct 02, 20260No prior observation