OITracker Cboe delayed data

Contract OI history

Back to ON

Jan 15, 2027 EXPIRATION

ON $50.00 Put

ON270115P00050000

Latest saved OI7,471Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $50.00 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. 7,5893,7940 2026-10-09: 7,588 OI2026-10-13: 7,589 OI2026-10-14: 7,589 OI2026-10-15: 7,573 OI2026-10-16: 7,573 OI2026-10-21: 7,471 OI2026-10-23: 7,471 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, 2026Viewing7,4710
Oct 21, 20267,471-102
Oct 16, 20267,5730
Oct 15, 20267,573-16
Oct 14, 20267,5890
Oct 13, 20267,589+1
Oct 09, 20267,588No prior observation