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Contract OI history

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Jan 15, 2027 EXPIRATION

GCT $50.00 Put

GCT270115P00050000

Latest saved OI76Oct 23, 2026
Last change+3vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GCT $50.00 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. 76380 2026-10-09: 43 OI2026-10-13: 43 OI2026-10-14: 44 OI2026-10-16: 71 OI2026-10-20: 73 OI2026-10-23: 76 OI Oct 09, 2026Oct 23, 2026

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

GCT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing76+3
Oct 20, 202673+2
Oct 16, 202671+27
Oct 14, 202644+1
Oct 13, 2026430
Oct 09, 202643No prior observation