OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

IBKR $70.00 Put

IBKR270115P00070000

Latest saved OI737Oct 23, 2026
Last change+29vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $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. 7373680 2026-10-09: 630 OI2026-10-13: 630 OI2026-10-14: 630 OI2026-10-15: 643 OI2026-10-16: 646 OI2026-10-21: 708 OI2026-10-23: 737 OI Oct 09, 2026Oct 23, 2026

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

IBKR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing737+29
Oct 21, 2026708+62
Oct 16, 2026646+3
Oct 15, 2026643+13
Oct 14, 20266300
Oct 13, 20266300
Oct 09, 2026630No prior observation