OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

ON $70.00 Put

ON261023P00070000

Latest saved OI226Oct 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
ON $70.00 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. 2511250 2026-10-09: 159 OI2026-10-13: 207 OI2026-10-14: 207 OI2026-10-15: 213 OI2026-10-16: 215 OI2026-10-21: 251 OI2026-10-23: 226 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, 2026Viewing226-25
Oct 21, 2026251+36
Oct 16, 2026215+2
Oct 15, 2026213+6
Oct 14, 20262070
Oct 13, 2026207+48
Oct 09, 2026159No prior observation