OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MFA $9.00 Put

MFA270115P00009000

Latest saved OI419Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MFA $9.00 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. 4192090 2026-10-02: 222 OI2026-10-06: 222 OI2026-10-07: 382 OI2026-10-08: 379 OI2026-10-09: 379 OI2026-10-13: 419 OI2026-10-14: 419 OI2026-10-16: 419 OI2026-10-20: 419 OI2026-10-23: 419 OI Oct 02, 2026Oct 23, 2026

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

MFA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20264190
Oct 20, 2026Viewing4190
Oct 16, 20264190
Oct 14, 20264190
Oct 13, 2026419+40
Oct 09, 20263790
Oct 08, 2026379-3
Oct 07, 2026382+160
Oct 06, 20262220
Oct 02, 2026222No prior observation