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Contract OI history

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Oct 30, 2026 EXPIRATION

TSM $280.00 Put

TSM261030P00280000

Latest saved OI5,594Oct 23, 2026
Last change-2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $280.00 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. 5,5962,7980 2026-10-02: 58 OI2026-10-05: 5,554 OI2026-10-06: 5,554 OI2026-10-07: 5,554 OI2026-10-08: 5,554 OI2026-10-09: 5,553 OI2026-10-14: 5,553 OI2026-10-15: 5,556 OI2026-10-16: 5,562 OI2026-10-21: 5,596 OI2026-10-23: 5,594 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, 2026Viewing5,594-2
Oct 21, 20265,596+34
Oct 16, 20265,562+6
Oct 15, 20265,556+3
Oct 14, 20265,5530
Oct 09, 20265,553-1
Oct 08, 20265,5540
Oct 07, 20265,5540
Oct 06, 20265,5540
Oct 05, 20265,554+5,496
Oct 02, 202658No prior observation