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Contract OI history

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Jan 21, 2028 EXPIRATION

GFS $30.00 Put

GFS280121P00030000

Latest saved OI694Oct 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 $30.00 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. 6943470 2026-10-09: 644 OI2026-10-13: 644 OI2026-10-14: 644 OI2026-10-15: 644 OI2026-10-16: 644 OI2026-10-21: 694 OI2026-10-23: 694 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, 20266940
Oct 21, 2026Viewing694+50
Oct 16, 20266440
Oct 15, 20266440
Oct 14, 20266440
Oct 13, 20266440
Oct 09, 2026644No prior observation