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Contract OI history

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Dec 15, 2028 EXPIRATION

TSM $250.00 Put

TSM281215P00250000

Latest saved OI2,401Oct 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 $250.00 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. 2,4011,2000 2026-10-02: 2,080 OI2026-10-05: 2,080 OI2026-10-06: 2,080 OI2026-10-07: 2,080 OI2026-10-08: 2,080 OI2026-10-09: 2,080 OI2026-10-14: 2,080 OI2026-10-15: 2,061 OI2026-10-16: 2,399 OI2026-10-21: 2,401 OI2026-10-23: 2,401 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, 2026Viewing2,4010
Oct 21, 20262,401+2
Oct 16, 20262,399+338
Oct 15, 20262,061-19
Oct 14, 20262,0800
Oct 09, 20262,0800
Oct 08, 20262,0800
Oct 07, 20262,0800
Oct 06, 20262,0800
Oct 05, 20262,0800
Oct 02, 20262,080No prior observation