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Contract OI history

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Jan 21, 2028 EXPIRATION

GFS $45.00 Put

GFS280121P00045000

Latest saved OI182Oct 23, 2026
Last change-50vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GFS $45.00 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. 2321160 2026-10-09: 131 OI2026-10-13: 131 OI2026-10-14: 131 OI2026-10-15: 131 OI2026-10-16: 131 OI2026-10-21: 232 OI2026-10-23: 182 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, 2026182-50
Oct 21, 2026Viewing232+101
Oct 16, 20261310
Oct 15, 20261310
Oct 14, 20261310
Oct 13, 20261310
Oct 09, 2026131No prior observation