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Contract OI history

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Oct 23, 2026 EXPIRATION

TSM $480.00 Put

TSM261023P00480000

Latest saved OI0Oct 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 $480.00 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. 2631310 2026-10-02: 19 OI2026-10-05: 34 OI2026-10-06: 97 OI2026-10-07: 253 OI2026-10-08: 253 OI2026-10-09: 259 OI2026-10-14: 263 OI2026-10-15: 263 OI2026-10-16: 0 OI2026-10-21: 0 OI2026-10-23: 0 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, 2026Viewing00
Oct 21, 202600
Oct 16, 20260-263
Oct 15, 20262630
Oct 14, 2026263+4
Oct 09, 2026259+6
Oct 08, 20262530
Oct 07, 2026253+156
Oct 06, 202697+63
Oct 05, 202634+15
Oct 02, 202619No prior observation