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Contract OI history

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Nov 20, 2026 EXPIRATION

GEN $27.00 Call

GEN261120C00027000

Latest saved OI589Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GEN $27.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6833410 2026-10-09: 667 OI2026-10-13: 682 OI2026-10-14: 682 OI2026-10-15: 683 OI2026-10-16: 683 OI2026-10-21: 587 OI2026-10-23: 589 OI Oct 09, 2026Oct 23, 2026

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

GEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing589+2
Oct 21, 2026587-96
Oct 16, 20266830
Oct 15, 2026683+1
Oct 14, 20266820
Oct 13, 2026682+15
Oct 09, 2026667No prior observation