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Contract OI history

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Apr 16, 2027 EXPIRATION

TSM $370.00 Put

TSM270416P00370000

Latest saved OI1,076Oct 23, 2026
Last change+42vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $370.00 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. 1,0765380 2026-10-02: 429 OI2026-10-05: 432 OI2026-10-06: 433 OI2026-10-07: 436 OI2026-10-08: 436 OI2026-10-09: 532 OI2026-10-14: 583 OI2026-10-15: 962 OI2026-10-16: 982 OI2026-10-21: 1,034 OI2026-10-23: 1,076 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, 2026Viewing1,076+42
Oct 21, 20261,034+52
Oct 16, 2026982+20
Oct 15, 2026962+379
Oct 14, 2026583+51
Oct 09, 2026532+96
Oct 08, 20264360
Oct 07, 2026436+3
Oct 06, 2026433+1
Oct 05, 2026432+3
Oct 02, 2026429No prior observation