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Contract OI history

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Nov 20, 2026 EXPIRATION

FPS $17.50 Put

FPS261120P00017500

Latest saved OI422Oct 23, 2026
Last change+403vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FPS $17.50 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. 4222110 2026-10-02: 13 OI2026-10-05: 12 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 12 OI2026-10-13: 17 OI2026-10-14: 17 OI2026-10-15: 17 OI2026-10-16: 17 OI2026-10-21: 19 OI2026-10-23: 422 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, 2026Viewing422+403
Oct 21, 202619+2
Oct 16, 2026170
Oct 15, 2026170
Oct 14, 2026170
Oct 13, 202617+5
Oct 09, 2026120
Oct 08, 2026120
Oct 07, 2026120
Oct 06, 2026120
Oct 05, 202612-1
Oct 02, 202613No prior observation