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Contract OI history

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Dec 18, 2026 EXPIRATION

GEN $24.00 Put

GEN261218P00024000

Latest saved OI477Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GEN $24.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6703350 2026-10-09: 666 OI2026-10-13: 666 OI2026-10-14: 670 OI2026-10-15: 670 OI2026-10-16: 670 OI2026-10-21: 469 OI2026-10-23: 477 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, 2026Viewing477+8
Oct 21, 2026469-201
Oct 16, 20266700
Oct 15, 20266700
Oct 14, 2026670+4
Oct 13, 20266660
Oct 09, 2026666No prior observation