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Contract OI history

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Dec 18, 2026 EXPIRATION

FPS $22.50 Put

FPS261218P00022500

Latest saved OI210Oct 23, 2026
Last change+146vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
FPS $22.50 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 2101050 2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 64 OI2026-10-23: 210 OI Oct 15, 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, 2026Viewing210+146
Oct 21, 202664+64
Oct 16, 202600
Oct 15, 20260No prior observation