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Contract OI history

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Sep 17, 2027 EXPIRATION

TSM $500.00 Put

TSM270917P00500000

Latest saved OI4,350Oct 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 $500.00 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. 4,4692,2340 2026-10-02: 2,262 OI2026-10-05: 2,276 OI2026-10-06: 4,169 OI2026-10-07: 4,212 OI2026-10-08: 4,212 OI2026-10-09: 4,265 OI2026-10-14: 4,296 OI2026-10-15: 4,469 OI2026-10-16: 4,469 OI2026-10-21: 4,350 OI2026-10-23: 4,350 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, 2026Viewing4,3500
Oct 21, 20264,350-119
Oct 16, 20264,4690
Oct 15, 20264,469+173
Oct 14, 20264,296+31
Oct 09, 20264,265+53
Oct 08, 20264,2120
Oct 07, 20264,212+43
Oct 06, 20264,169+1,893
Oct 05, 20262,276+14
Oct 02, 20262,262No prior observation