OITracker Cboe delayed data

Contract OI history

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Oct 26, 2026 EXPIRATION

TSLA $400.00 Call

TSLA261026C00400000

Latest saved OI3,501Oct 23, 2026
Last change+1,810vs previous saved observation
Saved market days5Oct 14, 2026 onwards
Daily open interest Hover a point for its date and OI
TSLA $400.00 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. 3,5011,7500 2026-10-14: 71 OI2026-10-15: 129 OI2026-10-16: 540 OI2026-10-21: 1,691 OI2026-10-23: 3,501 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, 2026Viewing3,501+1,810
Oct 21, 20261,691+1,151
Oct 16, 2026540+411
Oct 15, 2026129+58
Oct 14, 202671No prior observation