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Contract OI history

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Jan 15, 2027 EXPIRATION

OPCH $20.00 Put

OPCH270115P00020000

Latest saved OI249Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPCH $20.00 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. 2501250 2026-10-09: 250 OI2026-10-13: 250 OI2026-10-14: 249 OI2026-10-15: 249 OI2026-10-16: 249 OI2026-10-21: 249 OI2026-10-23: 249 OI Oct 09, 2026Oct 23, 2026

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

OPCH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2490
Oct 21, 20262490
Oct 16, 20262490
Oct 15, 20262490
Oct 14, 2026249-1
Oct 13, 20262500
Oct 09, 2026250No prior observation