Price variances in European train tickets
When travelling internationally in Europe by train, it pays off to consider with which railroad operator you book your ticket.
For the the same ticket, more than a month in advance, both DB and NS were compared.
Even though one would be travelling with exactly the same trains, there is a €53 price difference between the operators. In other words, a DB traveller could save 62% by booking via the NS for this particular trip.
(Screenshots date: 29 July — tickets date: 3 September — tickets type: 1 adult, no reduction, second class from Venlo (NL) to Darmstadt (D).)