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Contract OI history

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Dec 18, 2026 EXPIRATION

GSM $5.00 Put

GSM261218P00005000

Latest saved OI1,002Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GSM $5.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,0055020 2026-10-09: 1,005 OI2026-10-13: 1,002 OI2026-10-14: 1,002 OI2026-10-16: 1,002 OI2026-10-20: 1,002 OI2026-10-23: 1,002 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

GSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,0020
Oct 20, 20261,0020
Oct 16, 20261,0020
Oct 14, 20261,0020
Oct 13, 20261,002-3
Oct 09, 20261,005No prior observation