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Contract OI history

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Nov 06, 2026 EXPIRATION

TSM $385.00 Put

TSM261106P00385000

Latest saved OI293Oct 23, 2026
Last change+28vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $385.00 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. 2931460 2026-10-02: 36 OI2026-10-05: 252 OI2026-10-06: 237 OI2026-10-07: 238 OI2026-10-08: 238 OI2026-10-09: 240 OI2026-10-14: 244 OI2026-10-15: 243 OI2026-10-16: 251 OI2026-10-21: 265 OI2026-10-23: 293 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, 2026Viewing293+28
Oct 21, 2026265+14
Oct 16, 2026251+8
Oct 15, 2026243-1
Oct 14, 2026244+4
Oct 09, 2026240+2
Oct 08, 20262380
Oct 07, 2026238+1
Oct 06, 2026237-15
Oct 05, 2026252+216
Oct 02, 202636No prior observation