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Contract OI history

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Nov 20, 2026 EXPIRATION

TREX $55.00 Call

TREX261120C00055000

Latest saved OI51Oct 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
TREX $55.00 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. 51250 2026-10-02: 8 OI2026-10-05: 8 OI2026-10-06: 8 OI2026-10-07: 9 OI2026-10-08: 9 OI2026-10-09: 9 OI2026-10-14: 9 OI2026-10-15: 9 OI2026-10-16: 18 OI2026-10-21: 42 OI2026-10-23: 51 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, 202651+9
Oct 21, 2026Viewing42+24
Oct 16, 202618+9
Oct 15, 202690
Oct 14, 202690
Oct 09, 202690
Oct 08, 202690
Oct 07, 20269+1
Oct 06, 202680
Oct 05, 202680
Oct 02, 20268No prior observation