OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MT $40.00 Put

MT270115P00040000

Latest saved OI225Oct 21, 2026
Last change0vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MT $40.00 put open interest history 9 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 2251120 2026-10-02: 225 OI2026-10-05: 225 OI2026-10-06: 225 OI2026-10-08: 225 OI2026-10-09: 225 OI2026-10-13: 225 OI2026-10-15: 225 OI2026-10-16: 225 OI2026-10-21: 225 OI Oct 02, 2026Oct 21, 2026

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

MT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing2250
Oct 16, 20262250
Oct 15, 20262250
Oct 13, 20262250
Oct 09, 20262250
Oct 08, 20262250
Oct 06, 20262250
Oct 05, 20262250
Oct 02, 2026225No prior observation