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Contract OI history

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Dec 18, 2026 EXPIRATION

PTRN $12.50 Call

PTRN261218C00012500

Latest saved OI238Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PTRN $12.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2381190 2026-10-08: 238 OI2026-10-09: 238 OI2026-10-13: 238 OI2026-10-14: 238 OI2026-10-16: 238 OI2026-10-20: 238 OI2026-10-23: 238 OI Oct 08, 2026Oct 23, 2026

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

PTRN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262380
Oct 20, 2026Viewing2380
Oct 16, 20262380
Oct 14, 20262380
Oct 13, 20262380
Oct 09, 20262380
Oct 08, 2026238No prior observation