OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

TSM $220.00 Put

TSM270115P00220000

Latest saved OI4,181Oct 23, 2026
Last change-11vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $220.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4,2042,1020 2026-10-02: 4,204 OI2026-10-05: 4,193 OI2026-10-06: 4,194 OI2026-10-07: 4,194 OI2026-10-08: 4,194 OI2026-10-09: 4,192 OI2026-10-14: 4,191 OI2026-10-15: 4,192 OI2026-10-16: 4,192 OI2026-10-21: 4,192 OI2026-10-23: 4,181 OI Oct 02, 2026Oct 23, 2026

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

TSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,181-11
Oct 21, 20264,1920
Oct 16, 20264,1920
Oct 15, 20264,192+1
Oct 14, 20264,191-1
Oct 09, 20264,192-2
Oct 08, 20264,1940
Oct 07, 20264,1940
Oct 06, 20264,194+1
Oct 05, 20264,193-11
Oct 02, 20264,204No prior observation