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Contract OI history

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Nov 20, 2026 EXPIRATION

TX $40.00 Put

TX261120P00040000

Latest saved OI215Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TX $40.00 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. 2151070 2026-10-02: 214 OI2026-10-05: 214 OI2026-10-06: 214 OI2026-10-07: 214 OI2026-10-08: 214 OI2026-10-09: 214 OI2026-10-13: 214 OI2026-10-14: 214 OI2026-10-16: 215 OI2026-10-21: 215 OI2026-10-23: 215 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262150
Oct 21, 2026Viewing2150
Oct 16, 2026215+1
Oct 14, 20262140
Oct 13, 20262140
Oct 09, 20262140
Oct 08, 20262140
Oct 07, 20262140
Oct 06, 20262140
Oct 05, 20262140
Oct 02, 2026214No prior observation