OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

GEN $19.00 Put

GEN270115P00019000

Latest saved OI475Oct 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 $19.00 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. 6343170 2026-10-09: 633 OI2026-10-13: 634 OI2026-10-14: 633 OI2026-10-15: 476 OI2026-10-16: 476 OI2026-10-21: 476 OI2026-10-23: 475 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, 2026Viewing475-1
Oct 21, 20264760
Oct 16, 20264760
Oct 15, 2026476-157
Oct 14, 2026633-1
Oct 13, 2026634+1
Oct 09, 2026633No prior observation