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Contract OI history

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Mar 19, 2027 EXPIRATION

GFS $30.00 Put

GFS270319P00030000

Latest saved OI111Oct 23, 2026
Last change+9vs 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. 111550 2026-10-09: 94 OI2026-10-13: 90 OI2026-10-14: 90 OI2026-10-15: 102 OI2026-10-16: 102 OI2026-10-21: 102 OI2026-10-23: 111 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, 2026111+9
Oct 21, 2026Viewing1020
Oct 16, 20261020
Oct 15, 2026102+12
Oct 14, 2026900
Oct 13, 202690-4
Oct 09, 202694No prior observation