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Contract OI history

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Nov 20, 2026 EXPIRATION

TREX $50.00 Call

TREX261120C00050000

Latest saved OI220Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TREX $50.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2201100 2026-10-02: 18 OI2026-10-05: 20 OI2026-10-06: 23 OI2026-10-07: 29 OI2026-10-08: 30 OI2026-10-09: 30 OI2026-10-14: 43 OI2026-10-15: 45 OI2026-10-16: 46 OI2026-10-21: 217 OI2026-10-23: 220 OI Oct 02, 2026Oct 23, 2026

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

TREX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026220+3
Oct 21, 2026Viewing217+171
Oct 16, 202646+1
Oct 15, 202645+2
Oct 14, 202643+13
Oct 09, 2026300
Oct 08, 202630+1
Oct 07, 202629+6
Oct 06, 202623+3
Oct 05, 202620+2
Oct 02, 202618No prior observation