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Contract OI history

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Jan 21, 2028 EXPIRATION

FSK $12.50 Call

FSK280121C00012500

Latest saved OI7,014Oct 23, 2026
Last change+6,092vs previous saved observation
Saved market days11Oct 01, 2026 onwards
Daily open interest Hover a point for its date and OI
FSK $12.50 call open interest history 11 saved observations from 2026-10-01 to 2026-10-23. Exact values and changes are listed in the table below. 7,0143,5070 2026-10-01: 873 OI2026-10-05: 873 OI2026-10-06: 873 OI2026-10-07: 873 OI2026-10-08: 873 OI2026-10-09: 883 OI2026-10-13: 883 OI2026-10-14: 901 OI2026-10-16: 901 OI2026-10-21: 922 OI2026-10-23: 7,014 OI Oct 01, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

FSK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20267,014+6,092
Oct 21, 2026Viewing922+21
Oct 16, 20269010
Oct 14, 2026901+18
Oct 13, 20268830
Oct 09, 2026883+10
Oct 08, 20268730
Oct 07, 20268730
Oct 06, 20268730
Oct 05, 20268730
Oct 01, 2026873No prior observation