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Contract OI history

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Dec 18, 2026 EXPIRATION

PRG $22.50 Put

PRG261218P00022500

Latest saved OI68Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PRG $22.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 68340 2026-10-02: 67 OI2026-10-05: 66 OI2026-10-06: 66 OI2026-10-07: 66 OI2026-10-08: 66 OI2026-10-09: 66 OI2026-10-13: 68 OI2026-10-14: 68 OI2026-10-16: 68 OI2026-10-20: 68 OI2026-10-23: 68 OI Oct 02, 2026Oct 23, 2026

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

PRG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing680
Oct 20, 2026680
Oct 16, 2026680
Oct 14, 2026680
Oct 13, 202668+2
Oct 09, 2026660
Oct 08, 2026660
Oct 07, 2026660
Oct 06, 2026660
Oct 05, 202666-1
Oct 02, 202667No prior observation