OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

PTLO $8.00 Put

PTLO270115P00008000

Latest saved OI402Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PTLO $8.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 4042020 2026-10-08: 404 OI2026-10-09: 404 OI2026-10-13: 403 OI2026-10-14: 402 OI2026-10-16: 402 OI2026-10-20: 402 OI2026-10-23: 402 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

PTLO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4020
Oct 20, 20264020
Oct 16, 20264020
Oct 14, 2026402-1
Oct 13, 2026403-1
Oct 09, 20264040
Oct 08, 2026404No prior observation