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Contract OI history

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Jan 21, 2028 EXPIRATION

GFS $70.00 Put

GFS280121P00070000

Latest saved OI156Oct 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 $70.00 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. 166830 2026-10-09: 166 OI2026-10-13: 166 OI2026-10-14: 166 OI2026-10-15: 166 OI2026-10-16: 156 OI2026-10-21: 156 OI2026-10-23: 156 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, 20261560
Oct 21, 2026Viewing1560
Oct 16, 2026156-10
Oct 15, 20261660
Oct 14, 20261660
Oct 13, 20261660
Oct 09, 2026166No prior observation