I have the vertical band as well. I think we all do. Mine is the same location. about 1 inch in on the right. Though it is very faint and has gotten better over time to where it is not as noticeable. Even then I only saw it on slides of certain colors and I have not yet seen it on regular content.
LivingRoom: LG OLED65E6P / Oppo UDP-203 / Anthem MRX 1120 / SVS SB12 / M5300-PM / Def Tech BP-8060ST, Mythos Ones x 2, Eight, Gem XL x2 / PS4 Pro / Xbox One S / Wii U
Bedroom: Panasonic 65ZT60 / Oppo BDP103D / Apple TV / PS3
Office: Pioneer KRP-500M / Xbox 360
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