OITracker Cboe delayed data

Contract OI history

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Oct 26, 2026 EXPIRATION

TSLA $427.50 Call

TSLA261026C00427500

Latest saved OI2,147Oct 23, 2026
Last change+1,919vs previous saved observation
Saved market days5Oct 14, 2026 onwards
Daily open interest Hover a point for its date and OI
TSLA $427.50 call open interest history 5 saved observations from 2026-10-14 to 2026-10-23. Exact values and changes are listed in the table below. 2,1471,0730 2026-10-14: 0 OI2026-10-15: 1 OI2026-10-16: 10 OI2026-10-21: 228 OI2026-10-23: 2,147 OI Oct 14, 2026Oct 23, 2026

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

TSLA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,147+1,919
Oct 21, 2026228+218
Oct 16, 202610+9
Oct 15, 20261+1
Oct 14, 20260No prior observation