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Contract OI history

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Dec 18, 2026 EXPIRATION

TAP $42.50 Call

TAP261218C00042500

Latest saved OI423Oct 23, 2026
Last change+316vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
TAP $42.50 call open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 4232110 2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 107 OI2026-10-23: 423 OI Oct 15, 2026Oct 23, 2026

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

TAP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026423+316
Oct 21, 2026Viewing107+107
Oct 16, 202600
Oct 15, 20260No prior observation