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Contract OI history

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Dec 17, 2027 EXPIRATION

TSM $430.00 Put

TSM271217P00430000

Latest saved OI1,102Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $430.00 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. 1,1045520 2026-10-02: 1,084 OI2026-10-05: 1,084 OI2026-10-06: 1,080 OI2026-10-07: 1,080 OI2026-10-08: 1,080 OI2026-10-09: 1,094 OI2026-10-14: 1,094 OI2026-10-15: 1,104 OI2026-10-16: 1,101 OI2026-10-21: 1,102 OI2026-10-23: 1,102 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, 2026Viewing1,1020
Oct 21, 20261,102+1
Oct 16, 20261,101-3
Oct 15, 20261,104+10
Oct 14, 20261,0940
Oct 09, 20261,094+14
Oct 08, 20261,0800
Oct 07, 20261,0800
Oct 06, 20261,080-4
Oct 05, 20261,0840
Oct 02, 20261,084No prior observation