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Contract OI history

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Oct 23, 2026 EXPIRATION

TSM $432.50 Put

TSM261023P00432500

Latest saved OI47Oct 23, 2026
Last change-126vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $432.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 173860 2026-10-09: 0 OI2026-10-14: 32 OI2026-10-15: 94 OI2026-10-16: 135 OI2026-10-21: 173 OI2026-10-23: 47 OI Oct 09, 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, 2026Viewing47-126
Oct 21, 2026173+38
Oct 16, 2026135+41
Oct 15, 202694+62
Oct 14, 202632+32
Oct 09, 20260No prior observation