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Contract OI history

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Apr 16, 2027 EXPIRATION

MWH $20.00 Put

MWH270416P00020000

Latest saved OI47Oct 23, 2026
Last change+14vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
MWH $20.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 47230 2026-10-08: 25 OI2026-10-09: 25 OI2026-10-13: 25 OI2026-10-14: 25 OI2026-10-15: 27 OI2026-10-20: 33 OI2026-10-23: 47 OI Oct 08, 2026Oct 23, 2026

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

MWH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202647+14
Oct 20, 2026Viewing33+6
Oct 15, 202627+2
Oct 14, 2026250
Oct 13, 2026250
Oct 09, 2026250
Oct 08, 202625No prior observation