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Contract OI history

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Jan 15, 2027 EXPIRATION

FSM $5.50 Put

FSM270115P00005500

Latest saved OI282Oct 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 $5.50 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. 2891440 2026-10-02: 289 OI2026-10-05: 289 OI2026-10-06: 289 OI2026-10-07: 289 OI2026-10-08: 289 OI2026-10-09: 289 OI2026-10-13: 289 OI2026-10-14: 289 OI2026-10-15: 289 OI2026-10-16: 289 OI2026-10-21: 282 OI2026-10-23: 282 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, 2026Viewing2820
Oct 21, 2026282-7
Oct 16, 20262890
Oct 15, 20262890
Oct 14, 20262890
Oct 13, 20262890
Oct 09, 20262890
Oct 08, 20262890
Oct 07, 20262890
Oct 06, 20262890
Oct 05, 20262890
Oct 02, 2026289No prior observation