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Contract OI history

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Nov 20, 2026 EXPIRATION

GFS $55.00 Call

GFS261120C00055000

Latest saved OI1,821Oct 23, 2026
Last change+43vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GFS $55.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,8219100 2026-10-09: 704 OI2026-10-13: 839 OI2026-10-14: 839 OI2026-10-15: 903 OI2026-10-16: 1,180 OI2026-10-21: 1,778 OI2026-10-23: 1,821 OI Oct 09, 2026Oct 23, 2026

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

GFS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,821+43
Oct 21, 20261,778+598
Oct 16, 20261,180+277
Oct 15, 2026903+64
Oct 14, 20268390
Oct 13, 2026839+135
Oct 09, 2026704No prior observation