OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

TSLA $327.50 Put

TSLA261030P00327500

Latest saved OI1,903Oct 23, 2026
Last change+1,343vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
TSLA $327.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 1,9039510 2026-10-21: 560 OI2026-10-23: 1,903 OI Oct 21, 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, 2026Viewing1,903+1,343
Oct 21, 2026560No prior observation