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Contract OI history

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Apr 16, 2027 EXPIRATION

TSM $440.00 Put

TSM270416P00440000

Latest saved OI177Oct 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 $440.00 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. 177880 2026-10-02: 143 OI2026-10-05: 143 OI2026-10-06: 144 OI2026-10-07: 147 OI2026-10-08: 147 OI2026-10-09: 151 OI2026-10-14: 153 OI2026-10-15: 176 OI2026-10-16: 175 OI2026-10-21: 177 OI2026-10-23: 177 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, 2026Viewing1770
Oct 21, 2026177+2
Oct 16, 2026175-1
Oct 15, 2026176+23
Oct 14, 2026153+2
Oct 09, 2026151+4
Oct 08, 20261470
Oct 07, 2026147+3
Oct 06, 2026144+1
Oct 05, 20261430
Oct 02, 2026143No prior observation