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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $250.00 Put

TSM270319P00250000

Latest saved OI2,216Oct 23, 2026
Last change+25vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $250.00 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. 2,2161,1080 2026-10-02: 1,474 OI2026-10-05: 1,467 OI2026-10-06: 1,466 OI2026-10-07: 1,477 OI2026-10-08: 1,477 OI2026-10-09: 1,461 OI2026-10-14: 1,461 OI2026-10-15: 1,461 OI2026-10-16: 2,190 OI2026-10-21: 2,191 OI2026-10-23: 2,216 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, 2026Viewing2,216+25
Oct 21, 20262,191+1
Oct 16, 20262,190+729
Oct 15, 20261,4610
Oct 14, 20261,4610
Oct 09, 20261,461-16
Oct 08, 20261,4770
Oct 07, 20261,477+11
Oct 06, 20261,466-1
Oct 05, 20261,467-7
Oct 02, 20261,474No prior observation