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Contract OI history

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Jan 15, 2027 EXPIRATION

GSIT $2.50 Put

GSIT270115P00002500

Latest saved OI112Oct 20, 2026
Last change+12vs 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. 112560 2026-10-07: 100 OI2026-10-09: 100 OI2026-10-13: 100 OI2026-10-15: 100 OI2026-10-16: 100 OI2026-10-20: 112 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, 2026Viewing112+12
Oct 16, 20261000
Oct 15, 20261000
Oct 13, 20261000
Oct 09, 20261000
Oct 07, 2026100No prior observation