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Contract OI history

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Nov 20, 2026 EXPIRATION

GEN $22.00 Put

GEN261120P00022000

Latest saved OI471Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GEN $22.00 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. 4712350 2026-10-09: 381 OI2026-10-13: 408 OI2026-10-14: 414 OI2026-10-15: 423 OI2026-10-16: 423 OI2026-10-21: 470 OI2026-10-23: 471 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, 2026Viewing471+1
Oct 21, 2026470+47
Oct 16, 20264230
Oct 15, 2026423+9
Oct 14, 2026414+6
Oct 13, 2026408+27
Oct 09, 2026381No prior observation