OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CE $30.00 Put

CE261120P00030000

Latest saved OI258Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CE $30.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2581290 2026-10-02: 205 OI2026-10-05: 205 OI2026-10-06: 205 OI2026-10-07: 205 OI2026-10-08: 205 OI2026-10-09: 252 OI2026-10-13: 258 OI2026-10-14: 258 OI2026-10-16: 258 OI2026-10-20: 258 OI2026-10-23: 258 OI Oct 02, 2026Oct 23, 2026

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

CE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2580
Oct 20, 20262580
Oct 16, 20262580
Oct 14, 20262580
Oct 13, 2026258+6
Oct 09, 2026252+47
Oct 08, 20262050
Oct 07, 20262050
Oct 06, 20262050
Oct 05, 20262050
Oct 02, 2026205No prior observation