OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

TSLA $520.00 Put

TSLA270115P00520000

Latest saved OI575Oct 23, 2026
Last change-129vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
TSLA $520.00 put open interest history 7 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 7043520 2026-10-07: 695 OI2026-10-09: 700 OI2026-10-14: 700 OI2026-10-15: 700 OI2026-10-16: 701 OI2026-10-21: 704 OI2026-10-23: 575 OI Oct 07, 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, 2026Viewing575-129
Oct 21, 2026704+3
Oct 16, 2026701+1
Oct 15, 20267000
Oct 14, 20267000
Oct 09, 2026700+5
Oct 07, 2026695No prior observation