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Contract OI history

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Nov 20, 2026 EXPIRATION

GEN $23.00 Put

GEN261120P00023000

Latest saved OI253Oct 23, 2026
Last change+25vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GEN $23.00 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. 2531260 2026-10-09: 134 OI2026-10-13: 137 OI2026-10-14: 132 OI2026-10-15: 135 OI2026-10-16: 143 OI2026-10-21: 228 OI2026-10-23: 253 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, 2026Viewing253+25
Oct 21, 2026228+85
Oct 16, 2026143+8
Oct 15, 2026135+3
Oct 14, 2026132-5
Oct 13, 2026137+3
Oct 09, 2026134No prior observation