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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $260.00 Put

TSM261120P00260000

Latest saved OI2,279Oct 23, 2026
Last change+9vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $260.00 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. 2,2791,1390 2026-10-02: 2,233 OI2026-10-05: 2,233 OI2026-10-06: 2,230 OI2026-10-07: 2,232 OI2026-10-08: 2,232 OI2026-10-09: 2,233 OI2026-10-14: 2,233 OI2026-10-15: 2,233 OI2026-10-16: 2,264 OI2026-10-21: 2,270 OI2026-10-23: 2,279 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, 2026Viewing2,279+9
Oct 21, 20262,270+6
Oct 16, 20262,264+31
Oct 15, 20262,2330
Oct 14, 20262,2330
Oct 09, 20262,233+1
Oct 08, 20262,2320
Oct 07, 20262,232+2
Oct 06, 20262,230-3
Oct 05, 20262,2330
Oct 02, 20262,233No prior observation