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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $230.00 Put

TSM270319P00230000

Latest saved OI231Oct 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 $230.00 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. 2361180 2026-10-02: 221 OI2026-10-05: 226 OI2026-10-06: 219 OI2026-10-07: 236 OI2026-10-08: 236 OI2026-10-09: 231 OI2026-10-14: 229 OI2026-10-15: 236 OI2026-10-16: 231 OI2026-10-21: 231 OI2026-10-23: 231 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, 2026Viewing2310
Oct 21, 20262310
Oct 16, 2026231-5
Oct 15, 2026236+7
Oct 14, 2026229-2
Oct 09, 2026231-5
Oct 08, 20262360
Oct 07, 2026236+17
Oct 06, 2026219-7
Oct 05, 2026226+5
Oct 02, 2026221No prior observation