OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

TSLA $20.00 Put

TSLA280121P00020000

Latest saved OI524Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
TSLA $20.00 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. 5242620 2026-10-07: 511 OI2026-10-09: 511 OI2026-10-14: 511 OI2026-10-15: 513 OI2026-10-16: 524 OI2026-10-21: 524 OI2026-10-23: 524 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, 2026Viewing5240
Oct 21, 20265240
Oct 16, 2026524+11
Oct 15, 2026513+2
Oct 14, 20265110
Oct 09, 20265110
Oct 07, 2026511No prior observation