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Contract OI history

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Jan 19, 2029 EXPIRATION

TSM $370.00 Put

TSM290119P00370000

Latest saved OI268Oct 23, 2026
Last change+1vs 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. 2681340 2026-10-02: 33 OI2026-10-05: 33 OI2026-10-06: 36 OI2026-10-07: 36 OI2026-10-08: 36 OI2026-10-09: 36 OI2026-10-14: 36 OI2026-10-15: 88 OI2026-10-16: 90 OI2026-10-21: 267 OI2026-10-23: 268 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, 2026Viewing268+1
Oct 21, 2026267+177
Oct 16, 202690+2
Oct 15, 202688+52
Oct 14, 2026360
Oct 09, 2026360
Oct 08, 2026360
Oct 07, 2026360
Oct 06, 202636+3
Oct 05, 2026330
Oct 02, 202633No prior observation