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Contract OI history

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Oct 23, 2026 EXPIRATION

TSM $455.00 Put

TSM261023P00455000

Latest saved OI4Oct 23, 2026
Last change-118vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $455.00 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. 3571780 2026-10-02: 234 OI2026-10-05: 235 OI2026-10-06: 291 OI2026-10-07: 350 OI2026-10-08: 350 OI2026-10-09: 334 OI2026-10-14: 357 OI2026-10-15: 320 OI2026-10-16: 279 OI2026-10-21: 122 OI2026-10-23: 4 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, 2026Viewing4-118
Oct 21, 2026122-157
Oct 16, 2026279-41
Oct 15, 2026320-37
Oct 14, 2026357+23
Oct 09, 2026334-16
Oct 08, 20263500
Oct 07, 2026350+59
Oct 06, 2026291+56
Oct 05, 2026235+1
Oct 02, 2026234No prior observation