I am going to reopen my InteractiveBroker account for FX trading.
According to their website,
https://www.interactivebrokers.com/en/?f=%2Fen%2Ftrading%2Fpdfhighlights%2FPDF-Forex.php
They claim
>We deliver price quotes in 1/10 of a basis point.
and the real-time quote actually shows...