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Contract OI history

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Dec 17, 2027 EXPIRATION

TSM $390.00 Put

TSM271217P00390000

Latest saved OI127Oct 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 $390.00 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. 127630 2026-10-02: 91 OI2026-10-05: 91 OI2026-10-06: 93 OI2026-10-07: 94 OI2026-10-08: 94 OI2026-10-09: 104 OI2026-10-14: 103 OI2026-10-15: 103 OI2026-10-16: 106 OI2026-10-21: 127 OI2026-10-23: 127 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, 2026Viewing1270
Oct 21, 2026127+21
Oct 16, 2026106+3
Oct 15, 20261030
Oct 14, 2026103-1
Oct 09, 2026104+10
Oct 08, 2026940
Oct 07, 202694+1
Oct 06, 202693+2
Oct 05, 2026910
Oct 02, 202691No prior observation