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Contract OI history

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Oct 30, 2026 EXPIRATION

TSM $435.00 Put

TSM261030P00435000

Latest saved OI671Oct 23, 2026
Last change+223vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $435.00 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. 8684340 2026-10-02: 169 OI2026-10-05: 178 OI2026-10-06: 217 OI2026-10-07: 227 OI2026-10-08: 227 OI2026-10-09: 293 OI2026-10-14: 362 OI2026-10-15: 868 OI2026-10-16: 419 OI2026-10-21: 448 OI2026-10-23: 671 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, 2026Viewing671+223
Oct 21, 2026448+29
Oct 16, 2026419-449
Oct 15, 2026868+506
Oct 14, 2026362+69
Oct 09, 2026293+66
Oct 08, 20262270
Oct 07, 2026227+10
Oct 06, 2026217+39
Oct 05, 2026178+9
Oct 02, 2026169No prior observation