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Contract OI history

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Jan 15, 2027 EXPIRATION

FSM $17.50 Call

FSM270115C00017500

Latest saved OI1,414Oct 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. 1,4167080 2026-10-02: 1,413 OI2026-10-05: 1,413 OI2026-10-06: 1,416 OI2026-10-07: 1,416 OI2026-10-08: 1,416 OI2026-10-09: 1,414 OI2026-10-13: 1,414 OI2026-10-14: 1,414 OI2026-10-15: 1,414 OI2026-10-16: 1,414 OI2026-10-21: 1,414 OI2026-10-23: 1,414 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, 2026Viewing1,4140
Oct 21, 20261,4140
Oct 16, 20261,4140
Oct 15, 20261,4140
Oct 14, 20261,4140
Oct 13, 20261,4140
Oct 09, 20261,414-2
Oct 08, 20261,4160
Oct 07, 20261,4160
Oct 06, 20261,416+3
Oct 05, 20261,4130
Oct 02, 20261,413No prior observation