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Contract OI history

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Nov 20, 2026 EXPIRATION

PCT $4.00 Put

PCT261120P00004000

Latest saved OI1,349Oct 23, 2026
Last change+11vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PCT $4.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,3496740 2026-10-09: 1,295 OI2026-10-13: 1,322 OI2026-10-14: 1,332 OI2026-10-16: 1,333 OI2026-10-20: 1,338 OI2026-10-23: 1,349 OI Oct 09, 2026Oct 23, 2026

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

PCT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,349+11
Oct 20, 20261,338+5
Oct 16, 20261,333+1
Oct 14, 20261,332+10
Oct 13, 20261,322+27
Oct 09, 20261,295No prior observation