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Jan 21, 2028 EXPIRATION

F $5.00 Put

F280121P00005000

Latest saved OI168Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
F $5.00 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. 168840 2026-10-02: 155 OI2026-10-05: 156 OI2026-10-06: 158 OI2026-10-07: 157 OI2026-10-08: 157 OI2026-10-09: 158 OI2026-10-13: 158 OI2026-10-14: 158 OI2026-10-15: 158 OI2026-10-16: 168 OI2026-10-21: 168 OI2026-10-23: 168 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

F contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1680
Oct 21, 20261680
Oct 16, 2026168+10
Oct 15, 20261580
Oct 14, 20261580
Oct 13, 20261580
Oct 09, 2026158+1
Oct 08, 20261570
Oct 07, 2026157-1
Oct 06, 2026158+2
Oct 05, 2026156+1
Oct 02, 2026155No prior observation