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Contract OI history

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Jan 21, 2028 EXPIRATION

TSM $140.00 Put

TSM280121P00140000

Latest saved OI224Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $140.00 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. 2241120 2026-10-02: 217 OI2026-10-05: 217 OI2026-10-06: 217 OI2026-10-07: 218 OI2026-10-08: 218 OI2026-10-09: 218 OI2026-10-14: 219 OI2026-10-15: 219 OI2026-10-16: 221 OI2026-10-21: 224 OI2026-10-23: 224 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, 2026Viewing2240
Oct 21, 2026224+3
Oct 16, 2026221+2
Oct 15, 20262190
Oct 14, 2026219+1
Oct 09, 20262180
Oct 08, 20262180
Oct 07, 2026218+1
Oct 06, 20262170
Oct 05, 20262170
Oct 02, 2026217No prior observation