OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

TSLA $400.00 Put

TSLA290119P00400000

Latest saved OI351Oct 23, 2026
Last change+7vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
TSLA $400.00 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. 3511750 2026-10-07: 59 OI2026-10-09: 253 OI2026-10-14: 259 OI2026-10-15: 303 OI2026-10-16: 311 OI2026-10-21: 344 OI2026-10-23: 351 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, 2026Viewing351+7
Oct 21, 2026344+33
Oct 16, 2026311+8
Oct 15, 2026303+44
Oct 14, 2026259+6
Oct 09, 2026253+194
Oct 07, 202659No prior observation