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Contract OI history

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Nov 20, 2026 EXPIRATION

PRCH $20.00 Put

PRCH261120P00020000

Latest saved OI266Oct 23, 2026
Last change+26vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PRCH $20.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2661330 2026-10-08: 190 OI2026-10-09: 190 OI2026-10-12: 190 OI2026-10-14: 190 OI2026-10-16: 215 OI2026-10-20: 240 OI2026-10-23: 266 OI Oct 08, 2026Oct 23, 2026

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

PRCH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing266+26
Oct 20, 2026240+25
Oct 16, 2026215+25
Oct 14, 20261900
Oct 12, 20261900
Oct 09, 20261900
Oct 08, 2026190No prior observation