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Contract OI history

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Jan 21, 2028 EXPIRATION

FPS $25.00 Put

FPS280121P00025000

Latest saved OI672Oct 23, 2026
Last change+487vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FPS $25.00 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. 6723360 2026-10-02: 157 OI2026-10-05: 159 OI2026-10-06: 159 OI2026-10-07: 160 OI2026-10-08: 164 OI2026-10-09: 164 OI2026-10-13: 170 OI2026-10-14: 170 OI2026-10-15: 182 OI2026-10-16: 182 OI2026-10-21: 185 OI2026-10-23: 672 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, 2026Viewing672+487
Oct 21, 2026185+3
Oct 16, 20261820
Oct 15, 2026182+12
Oct 14, 20261700
Oct 13, 2026170+6
Oct 09, 20261640
Oct 08, 2026164+4
Oct 07, 2026160+1
Oct 06, 20261590
Oct 05, 2026159+2
Oct 02, 2026157No prior observation