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Contract OI history

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Nov 20, 2026 EXPIRATION

CHRD $135.00 Put

CHRD261120P00135000

Latest saved OI27Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CHRD $135.00 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. 27130 2026-10-09: 0 OI2026-10-13: 15 OI2026-10-14: 25 OI2026-10-15: 25 OI2026-10-16: 25 OI2026-10-21: 25 OI2026-10-23: 27 OI Oct 09, 2026Oct 23, 2026

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

CHRD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing27+2
Oct 21, 2026250
Oct 16, 2026250
Oct 15, 2026250
Oct 14, 202625+10
Oct 13, 202615+15
Oct 09, 20260No prior observation