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Contract OI history

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Jan 21, 2028 EXPIRATION

GSIT $17.50 Call

GSIT280121C00017500

Latest saved OI136Oct 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 $17.50 call open interest history 6 saved observations from 2026-10-07 to 2026-10-20. Exact values and changes are listed in the table below. 139690 2026-10-07: 139 OI2026-10-09: 139 OI2026-10-13: 136 OI2026-10-15: 136 OI2026-10-16: 136 OI2026-10-20: 136 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, 2026Viewing1360
Oct 16, 20261360
Oct 15, 20261360
Oct 13, 2026136-3
Oct 09, 20261390
Oct 07, 2026139No prior observation