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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $390.00 Put

TSM270319P00390000

Latest saved OI1,192Oct 23, 2026
Last change+106vs 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. 1,1925960 2026-10-02: 987 OI2026-10-05: 977 OI2026-10-06: 970 OI2026-10-07: 972 OI2026-10-08: 972 OI2026-10-09: 996 OI2026-10-14: 1,007 OI2026-10-15: 1,027 OI2026-10-16: 1,059 OI2026-10-21: 1,086 OI2026-10-23: 1,192 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, 2026Viewing1,192+106
Oct 21, 20261,086+27
Oct 16, 20261,059+32
Oct 15, 20261,027+20
Oct 14, 20261,007+11
Oct 09, 2026996+24
Oct 08, 20269720
Oct 07, 2026972+2
Oct 06, 2026970-7
Oct 05, 2026977-10
Oct 02, 2026987No prior observation