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Contract OI history

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Jan 21, 2028 EXPIRATION

FSM $7.50 Put

FSM280121P00007500

Latest saved OI1,004Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FSM $7.50 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. 1,0345170 2026-10-02: 1,019 OI2026-10-05: 889 OI2026-10-06: 889 OI2026-10-07: 889 OI2026-10-08: 914 OI2026-10-09: 914 OI2026-10-13: 1,034 OI2026-10-14: 1,004 OI2026-10-15: 1,004 OI2026-10-16: 1,004 OI2026-10-21: 1,004 OI2026-10-23: 1,004 OI Oct 02, 2026Oct 23, 2026

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

FSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,0040
Oct 21, 20261,0040
Oct 16, 20261,0040
Oct 15, 20261,0040
Oct 14, 20261,004-30
Oct 13, 20261,034+120
Oct 09, 20269140
Oct 08, 2026914+25
Oct 07, 20268890
Oct 06, 20268890
Oct 05, 2026889-130
Oct 02, 20261,019No prior observation