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Contract OI history

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Nov 20, 2026 EXPIRATION

FPS $27.50 Put

FPS261120P00027500

Latest saved OI1,369Oct 23, 2026
Last change-230vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FPS $27.50 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. 1,5997990 2026-10-02: 277 OI2026-10-05: 274 OI2026-10-06: 325 OI2026-10-07: 327 OI2026-10-08: 292 OI2026-10-09: 292 OI2026-10-13: 338 OI2026-10-14: 338 OI2026-10-15: 497 OI2026-10-16: 512 OI2026-10-21: 1,599 OI2026-10-23: 1,369 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, 2026Viewing1,369-230
Oct 21, 20261,599+1,087
Oct 16, 2026512+15
Oct 15, 2026497+159
Oct 14, 20263380
Oct 13, 2026338+46
Oct 09, 20262920
Oct 08, 2026292-35
Oct 07, 2026327+2
Oct 06, 2026325+51
Oct 05, 2026274-3
Oct 02, 2026277No prior observation