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Contract OI history

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Sep 17, 2027 EXPIRATION

GFS $35.00 Put

GFS270917P00035000

Latest saved OI268Oct 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 $35.00 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. 2751370 2026-10-09: 250 OI2026-10-13: 249 OI2026-10-14: 249 OI2026-10-15: 249 OI2026-10-16: 275 OI2026-10-21: 268 OI2026-10-23: 268 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, 20262680
Oct 21, 2026Viewing268-7
Oct 16, 2026275+26
Oct 15, 20262490
Oct 14, 20262490
Oct 13, 2026249-1
Oct 09, 2026250No prior observation