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Contract OI history

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Sep 17, 2027 EXPIRATION

GFS $50.00 Put

GFS270917P00050000

Latest saved OI1,119Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GFS $50.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,1195590 2026-10-09: 1,019 OI2026-10-13: 1,019 OI2026-10-14: 1,019 OI2026-10-15: 1,019 OI2026-10-16: 1,019 OI2026-10-21: 1,119 OI2026-10-23: 1,119 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, 20261,1190
Oct 21, 2026Viewing1,119+100
Oct 16, 20261,0190
Oct 15, 20261,0190
Oct 14, 20261,0190
Oct 13, 20261,0190
Oct 09, 20261,019No prior observation