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Contract OI history

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Dec 18, 2026 EXPIRATION

GSIT $2.50 Put

GSIT261218P00002500

Latest saved OI61Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
GSIT $2.50 put open interest history 6 saved observations from 2026-10-07 to 2026-10-20. Exact values and changes are listed in the table below. 61300 2026-10-07: 61 OI2026-10-09: 61 OI2026-10-13: 61 OI2026-10-15: 61 OI2026-10-16: 61 OI2026-10-20: 61 OI Oct 07, 2026Oct 20, 2026

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

GSIT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing610
Oct 16, 2026610
Oct 15, 2026610
Oct 13, 2026610
Oct 09, 2026610
Oct 07, 202661No prior observation