OITracker Cboe delayed data

Contract OI history

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May 21, 2027 EXPIRATION

MG $20.00 Put

MG270521P00020000

Latest saved OI219Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MG $20.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2191090 2026-10-02: 194 OI2026-10-06: 214 OI2026-10-07: 219 OI2026-10-08: 219 OI2026-10-09: 219 OI2026-10-13: 219 OI2026-10-14: 219 OI2026-10-16: 219 OI2026-10-20: 219 OI2026-10-23: 219 OI Oct 02, 2026Oct 23, 2026

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

MG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262190
Oct 20, 2026Viewing2190
Oct 16, 20262190
Oct 14, 20262190
Oct 13, 20262190
Oct 09, 20262190
Oct 08, 20262190
Oct 07, 2026219+5
Oct 06, 2026214+20
Oct 02, 2026194No prior observation