OITracker Cboe delayed data

Contract OI history

Back to FPS

Nov 20, 2026 EXPIRATION

FPS $37.50 Put

FPS261120P00037500

Latest saved OI570Oct 23, 2026
Last change-31vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FPS $37.50 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. 7343670 2026-10-02: 457 OI2026-10-05: 569 OI2026-10-06: 618 OI2026-10-07: 650 OI2026-10-08: 664 OI2026-10-09: 672 OI2026-10-13: 734 OI2026-10-14: 734 OI2026-10-15: 571 OI2026-10-16: 594 OI2026-10-21: 601 OI2026-10-23: 570 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, 2026Viewing570-31
Oct 21, 2026601+7
Oct 16, 2026594+23
Oct 15, 2026571-163
Oct 14, 20267340
Oct 13, 2026734+62
Oct 09, 2026672+8
Oct 08, 2026664+14
Oct 07, 2026650+32
Oct 06, 2026618+49
Oct 05, 2026569+112
Oct 02, 2026457No prior observation