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Contract OI history

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Jan 21, 2028 EXPIRATION

PLUG $2.50 Put

PLUG280121P00002500

Latest saved OI4,016Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PLUG $2.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4,0202,0100 2026-10-09: 3,978 OI2026-10-13: 4,016 OI2026-10-14: 4,016 OI2026-10-15: 4,020 OI2026-10-16: 4,000 OI2026-10-21: 4,013 OI2026-10-23: 4,016 OI Oct 09, 2026Oct 23, 2026

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

PLUG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,016+3
Oct 21, 20264,013+13
Oct 16, 20264,000-20
Oct 15, 20264,020+4
Oct 14, 20264,0160
Oct 13, 20264,016+38
Oct 09, 20263,978No prior observation