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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $480.00 Put

TSM270617P00480000

Latest saved OI254Oct 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. 2541270 2026-10-02: 129 OI2026-10-05: 131 OI2026-10-06: 137 OI2026-10-07: 236 OI2026-10-08: 236 OI2026-10-09: 240 OI2026-10-14: 241 OI2026-10-15: 254 OI2026-10-16: 254 OI2026-10-21: 254 OI2026-10-23: 254 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, 2026Viewing2540
Oct 21, 20262540
Oct 16, 20262540
Oct 15, 2026254+13
Oct 14, 2026241+1
Oct 09, 2026240+4
Oct 08, 20262360
Oct 07, 2026236+99
Oct 06, 2026137+6
Oct 05, 2026131+2
Oct 02, 2026129No prior observation