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Contract OI history

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Jan 21, 2028 EXPIRATION

GSIT $2.50 Put

GSIT280121P00002500

Latest saved OI131Oct 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. 131650 2026-10-07: 114 OI2026-10-09: 114 OI2026-10-13: 114 OI2026-10-15: 114 OI2026-10-16: 131 OI2026-10-20: 131 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, 2026Viewing1310
Oct 16, 2026131+17
Oct 15, 20261140
Oct 13, 20261140
Oct 09, 20261140
Oct 07, 2026114No prior observation