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Contract OI history

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Mar 19, 2027 EXPIRATION

MTG $25.00 Put

MTG270319P00025000

Latest saved OI379Oct 23, 2026
Last change+55vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MTG $25.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3791890 2026-10-02: 280 OI2026-10-05: 280 OI2026-10-06: 280 OI2026-10-07: 280 OI2026-10-08: 320 OI2026-10-09: 321 OI2026-10-13: 321 OI2026-10-14: 321 OI2026-10-15: 321 OI2026-10-16: 321 OI2026-10-21: 324 OI2026-10-23: 379 OI Oct 02, 2026Oct 23, 2026

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

MTG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing379+55
Oct 21, 2026324+3
Oct 16, 20263210
Oct 15, 20263210
Oct 14, 20263210
Oct 13, 20263210
Oct 09, 2026321+1
Oct 08, 2026320+40
Oct 07, 20262800
Oct 06, 20262800
Oct 05, 20262800
Oct 02, 2026280No prior observation