OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

MT $55.00 Put

MT280121P00055000

Latest saved OI1,350Oct 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 $55.00 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. 1,3516750 2026-10-02: 1,351 OI2026-10-05: 1,351 OI2026-10-06: 1,351 OI2026-10-08: 1,351 OI2026-10-09: 1,351 OI2026-10-13: 1,351 OI2026-10-15: 1,350 OI2026-10-16: 1,350 OI2026-10-21: 1,350 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, 2026Viewing1,3500
Oct 16, 20261,3500
Oct 15, 20261,350-1
Oct 13, 20261,3510
Oct 09, 20261,3510
Oct 08, 20261,3510
Oct 06, 20261,3510
Oct 05, 20261,3510
Oct 02, 20261,351No prior observation