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Contract OI history

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Nov 27, 2026 EXPIRATION

TSM $380.00 Put

TSM261127P00380000

Latest saved OI359Oct 23, 2026
Last change+130vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $380.00 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. 3591790 2026-10-09: 40 OI2026-10-14: 67 OI2026-10-15: 77 OI2026-10-16: 118 OI2026-10-21: 229 OI2026-10-23: 359 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, 2026Viewing359+130
Oct 21, 2026229+111
Oct 16, 2026118+41
Oct 15, 202677+10
Oct 14, 202667+27
Oct 09, 202640No prior observation