OITracker Cboe delayed data

Contract OI history

Back to THO

Jan 15, 2027 EXPIRATION

THO $55.00 Put

THO270115P00055000

Latest saved OI173Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
THO $55.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 174870 2026-10-02: 24 OI2026-10-05: 24 OI2026-10-06: 174 OI2026-10-07: 174 OI2026-10-08: 174 OI2026-10-09: 174 OI2026-10-13: 173 OI2026-10-14: 173 OI2026-10-15: 173 OI2026-10-16: 173 OI2026-10-21: 173 OI2026-10-23: 173 OI Oct 02, 2026Oct 23, 2026

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

THO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261730
Oct 21, 2026Viewing1730
Oct 16, 20261730
Oct 15, 20261730
Oct 14, 20261730
Oct 13, 2026173-1
Oct 09, 20261740
Oct 08, 20261740
Oct 07, 20261740
Oct 06, 2026174+150
Oct 05, 2026240
Oct 02, 202624No prior observation