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Contract OI history

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Nov 20, 2026 EXPIRATION

CHYM $25.00 Put

CHYM261120P00025000

Latest saved OI584Oct 23, 2026
Last change+70vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CHYM $25.00 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. 5842920 2026-10-09: 422 OI2026-10-13: 450 OI2026-10-14: 453 OI2026-10-15: 494 OI2026-10-16: 494 OI2026-10-21: 514 OI2026-10-23: 584 OI Oct 09, 2026Oct 23, 2026

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

CHYM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing584+70
Oct 21, 2026514+20
Oct 16, 20264940
Oct 15, 2026494+41
Oct 14, 2026453+3
Oct 13, 2026450+28
Oct 09, 2026422No prior observation