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Contract OI history

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Jan 21, 2028 EXPIRATION

FSM $12.50 Call

FSM280121C00012500

Latest saved OI1,059Oct 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 $12.50 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. 1,0825410 2026-10-02: 1,082 OI2026-10-05: 1,004 OI2026-10-06: 1,013 OI2026-10-07: 1,013 OI2026-10-08: 1,010 OI2026-10-09: 1,010 OI2026-10-13: 1,010 OI2026-10-14: 1,012 OI2026-10-15: 1,059 OI2026-10-16: 1,059 OI2026-10-21: 1,059 OI2026-10-23: 1,059 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, 2026Viewing1,0590
Oct 21, 20261,0590
Oct 16, 20261,0590
Oct 15, 20261,059+47
Oct 14, 20261,012+2
Oct 13, 20261,0100
Oct 09, 20261,0100
Oct 08, 20261,010-3
Oct 07, 20261,0130
Oct 06, 20261,013+9
Oct 05, 20261,004-78
Oct 02, 20261,082No prior observation