OITracker Cboe delayed data

Contract OI history

Back to ON

Feb 19, 2027 EXPIRATION

ON $75.00 Put

ON270219P00075000

Latest saved OI1,487Oct 23, 2026
Last change+270vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $75.00 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. 1,4877430 2026-10-09: 528 OI2026-10-13: 923 OI2026-10-14: 923 OI2026-10-15: 972 OI2026-10-16: 1,007 OI2026-10-21: 1,217 OI2026-10-23: 1,487 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,487+270
Oct 21, 20261,217+210
Oct 16, 20261,007+35
Oct 15, 2026972+49
Oct 14, 20269230
Oct 13, 2026923+395
Oct 09, 2026528No prior observation