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Contract OI history

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Jan 21, 2028 EXPIRATION

PCT $4.00 Put

PCT280121P00004000

Latest saved OI985Oct 23, 2026
Last change0vs 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. 1,0305150 2026-10-09: 823 OI2026-10-13: 823 OI2026-10-14: 990 OI2026-10-16: 1,030 OI2026-10-20: 985 OI2026-10-23: 985 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, 2026Viewing9850
Oct 20, 2026985-45
Oct 16, 20261,030+40
Oct 14, 2026990+167
Oct 13, 20268230
Oct 09, 2026823No prior observation