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Contract OI history

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Apr 16, 2027 EXPIRATION

GFS $35.00 Put

GFS270416P00035000

Latest saved OI267Oct 23, 2026
Last change+21vs 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. 2671330 2026-10-09: 247 OI2026-10-13: 247 OI2026-10-14: 247 OI2026-10-15: 246 OI2026-10-16: 246 OI2026-10-21: 246 OI2026-10-23: 267 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, 2026267+21
Oct 21, 2026Viewing2460
Oct 16, 20262460
Oct 15, 2026246-1
Oct 14, 20262470
Oct 13, 20262470
Oct 09, 2026247No prior observation