OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

D $52.50 Put

D261120P00052500

Latest saved OI46Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
D $52.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 46230 2026-10-02: 10 OI2026-10-05: 10 OI2026-10-06: 10 OI2026-10-07: 15 OI2026-10-08: 15 OI2026-10-09: 15 OI2026-10-13: 15 OI2026-10-14: 15 OI2026-10-15: 45 OI2026-10-16: 45 OI2026-10-21: 46 OI2026-10-23: 46 OI Oct 02, 2026Oct 23, 2026

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

D contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing460
Oct 21, 202646+1
Oct 16, 2026450
Oct 15, 202645+30
Oct 14, 2026150
Oct 13, 2026150
Oct 09, 2026150
Oct 08, 2026150
Oct 07, 202615+5
Oct 06, 2026100
Oct 05, 2026100
Oct 02, 202610No prior observation