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Contract OI history

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Dec 18, 2026 EXPIRATION

PAR $22.50 Call

PAR261218C00022500

Latest saved OI1,488Oct 23, 2026
Last change-13vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PAR $22.50 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. 2,0451,0220 2026-10-02: 2,045 OI2026-10-05: 2,045 OI2026-10-06: 2,037 OI2026-10-07: 2,037 OI2026-10-09: 2,032 OI2026-10-13: 2,021 OI2026-10-14: 2,031 OI2026-10-16: 2,031 OI2026-10-20: 1,501 OI2026-10-23: 1,488 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, 2026Viewing1,488-13
Oct 20, 20261,501-530
Oct 16, 20262,0310
Oct 14, 20262,031+10
Oct 13, 20262,021-11
Oct 09, 20262,032-5
Oct 07, 20262,0370
Oct 06, 20262,037-8
Oct 05, 20262,0450
Oct 02, 20262,045No prior observation