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Contract OI history

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Jan 15, 2027 EXPIRATION

GEN $22.00 Put

GEN270115P00022000

Latest saved OI259Oct 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 $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. 2591290 2026-10-09: 113 OI2026-10-13: 112 OI2026-10-14: 252 OI2026-10-15: 252 OI2026-10-16: 252 OI2026-10-21: 257 OI2026-10-23: 259 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, 2026Viewing259+2
Oct 21, 2026257+5
Oct 16, 20262520
Oct 15, 20262520
Oct 14, 2026252+140
Oct 13, 2026112-1
Oct 09, 2026113No prior observation