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Contract OI history

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Mar 19, 2027 EXPIRATION

MFC $39.00 Put

MFC270319P00039000

Latest saved OI23Oct 23, 2026
Last change+20vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MFC $39.00 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. 23110 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 3 OI2026-10-13: 3 OI2026-10-14: 3 OI2026-10-16: 3 OI2026-10-20: 3 OI2026-10-23: 23 OI Oct 02, 2026Oct 23, 2026

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

MFC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing23+20
Oct 20, 202630
Oct 16, 202630
Oct 14, 202630
Oct 13, 202630
Oct 08, 20263+3
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation