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Contract OI history

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Nov 20, 2026 EXPIRATION

FPS $40.00 Put

FPS261120P00040000

Latest saved OI295Oct 23, 2026
Last change-39vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FPS $40.00 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. 3431710 2026-10-02: 188 OI2026-10-05: 212 OI2026-10-06: 247 OI2026-10-07: 270 OI2026-10-08: 293 OI2026-10-09: 308 OI2026-10-13: 306 OI2026-10-14: 306 OI2026-10-15: 343 OI2026-10-16: 342 OI2026-10-21: 334 OI2026-10-23: 295 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, 2026Viewing295-39
Oct 21, 2026334-8
Oct 16, 2026342-1
Oct 15, 2026343+37
Oct 14, 20263060
Oct 13, 2026306-2
Oct 09, 2026308+15
Oct 08, 2026293+23
Oct 07, 2026270+23
Oct 06, 2026247+35
Oct 05, 2026212+24
Oct 02, 2026188No prior observation