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Contract OI history

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Dec 18, 2026 EXPIRATION

FSK $20.00 Call

FSK261218C00020000

Latest saved OI3,059Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 01, 2026 onwards
Daily open interest Hover a point for its date and OI
FSK $20.00 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. 3,0591,5290 2026-10-01: 3,059 OI2026-10-05: 3,059 OI2026-10-06: 3,059 OI2026-10-07: 3,059 OI2026-10-08: 3,059 OI2026-10-09: 3,059 OI2026-10-13: 3,059 OI2026-10-14: 3,059 OI2026-10-16: 3,059 OI2026-10-21: 3,059 OI2026-10-23: 3,059 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, 20263,0590
Oct 21, 2026Viewing3,0590
Oct 16, 20263,0590
Oct 14, 20263,0590
Oct 13, 20263,0590
Oct 09, 20263,0590
Oct 08, 20263,0590
Oct 07, 20263,0590
Oct 06, 20263,0590
Oct 05, 20263,0590
Oct 01, 20263,059No prior observation