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Contract OI history

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Jan 15, 2027 EXPIRATION

FSM $10.00 Put

FSM270115P00010000

Latest saved OI508Oct 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 $10.00 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. 5082540 2026-10-02: 445 OI2026-10-05: 445 OI2026-10-06: 445 OI2026-10-07: 445 OI2026-10-08: 505 OI2026-10-09: 505 OI2026-10-13: 507 OI2026-10-14: 507 OI2026-10-15: 508 OI2026-10-16: 508 OI2026-10-21: 508 OI2026-10-23: 508 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, 2026Viewing5080
Oct 21, 20265080
Oct 16, 20265080
Oct 15, 2026508+1
Oct 14, 20265070
Oct 13, 2026507+2
Oct 09, 20265050
Oct 08, 2026505+60
Oct 07, 20264450
Oct 06, 20264450
Oct 05, 20264450
Oct 02, 2026445No prior observation