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Contract OI history

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Dec 18, 2026 EXPIRATION

PAR $20.00 Call

PAR261218C00020000

Latest saved OI1,332Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PAR $20.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,3326660 2026-10-02: 1,103 OI2026-10-05: 1,103 OI2026-10-06: 1,103 OI2026-10-07: 1,013 OI2026-10-09: 955 OI2026-10-13: 955 OI2026-10-14: 955 OI2026-10-16: 1,332 OI2026-10-20: 1,332 OI2026-10-23: 1,332 OI Oct 02, 2026Oct 23, 2026

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

PAR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,3320
Oct 20, 20261,3320
Oct 16, 20261,332+377
Oct 14, 20269550
Oct 13, 20269550
Oct 09, 2026955-58
Oct 07, 20261,013-90
Oct 06, 20261,1030
Oct 05, 20261,1030
Oct 02, 20261,103No prior observation