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Contract OI history

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Mar 19, 2027 EXPIRATION

PCT $4.00 Put

PCT270319P00004000

Latest saved OI528Oct 23, 2026
Last change+50vs 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. 5282640 2026-10-09: 206 OI2026-10-13: 223 OI2026-10-14: 244 OI2026-10-16: 244 OI2026-10-20: 478 OI2026-10-23: 528 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, 2026Viewing528+50
Oct 20, 2026478+234
Oct 16, 20262440
Oct 14, 2026244+21
Oct 13, 2026223+17
Oct 09, 2026206No prior observation