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Contract OI history

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Nov 06, 2026 EXPIRATION

TSM $395.00 Put

TSM261106P00395000

Latest saved OI813Oct 23, 2026
Last change+63vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $395.00 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. 8134060 2026-10-02: 31 OI2026-10-05: 249 OI2026-10-06: 273 OI2026-10-07: 282 OI2026-10-08: 282 OI2026-10-09: 300 OI2026-10-14: 322 OI2026-10-15: 372 OI2026-10-16: 598 OI2026-10-21: 750 OI2026-10-23: 813 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, 2026Viewing813+63
Oct 21, 2026750+152
Oct 16, 2026598+226
Oct 15, 2026372+50
Oct 14, 2026322+22
Oct 09, 2026300+18
Oct 08, 20262820
Oct 07, 2026282+9
Oct 06, 2026273+24
Oct 05, 2026249+218
Oct 02, 202631No prior observation