OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

REAL $10.00 Put

REAL280121P00010000

Latest saved OI197Oct 23, 2026
Last change+100vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
REAL $10.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 197980 2026-10-09: 97 OI2026-10-13: 97 OI2026-10-14: 97 OI2026-10-16: 97 OI2026-10-21: 97 OI2026-10-23: 197 OI Oct 09, 2026Oct 23, 2026

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

REAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing197+100
Oct 21, 2026970
Oct 16, 2026970
Oct 14, 2026970
Oct 13, 2026970
Oct 09, 202697No prior observation