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Contract OI history

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Nov 20, 2026 EXPIRATION

THO $50.00 Put

THO261120P00050000

Latest saved OI200Oct 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 $50.00 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. 2011000 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 200 OI2026-10-07: 200 OI2026-10-08: 200 OI2026-10-09: 200 OI2026-10-13: 201 OI2026-10-14: 201 OI2026-10-15: 201 OI2026-10-16: 200 OI2026-10-21: 200 OI2026-10-23: 200 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, 20262000
Oct 21, 2026Viewing2000
Oct 16, 2026200-1
Oct 15, 20262010
Oct 14, 20262010
Oct 13, 2026201+1
Oct 09, 20262000
Oct 08, 20262000
Oct 07, 20262000
Oct 06, 2026200+200
Oct 05, 202600
Oct 02, 20260No prior observation