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Contract OI history

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Jan 21, 2028 EXPIRATION

FSM $17.50 Call

FSM280121C00017500

Latest saved OI802Oct 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 $17.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8054020 2026-10-02: 805 OI2026-10-05: 805 OI2026-10-06: 805 OI2026-10-07: 805 OI2026-10-08: 802 OI2026-10-09: 802 OI2026-10-13: 802 OI2026-10-14: 802 OI2026-10-15: 802 OI2026-10-16: 802 OI2026-10-21: 802 OI2026-10-23: 802 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, 2026Viewing8020
Oct 21, 20268020
Oct 16, 20268020
Oct 15, 20268020
Oct 14, 20268020
Oct 13, 20268020
Oct 09, 20268020
Oct 08, 2026802-3
Oct 07, 20268050
Oct 06, 20268050
Oct 05, 20268050
Oct 02, 2026805No prior observation