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Contract OI history

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Mar 19, 2027 EXPIRATION

GFS $45.00 Put

GFS270319P00045000

Latest saved OI250Oct 23, 2026
Last change-5vs 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. 2641320 2026-10-09: 256 OI2026-10-13: 264 OI2026-10-14: 264 OI2026-10-15: 254 OI2026-10-16: 254 OI2026-10-21: 255 OI2026-10-23: 250 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, 2026250-5
Oct 21, 2026Viewing255+1
Oct 16, 20262540
Oct 15, 2026254-10
Oct 14, 20262640
Oct 13, 2026264+8
Oct 09, 2026256No prior observation