The price was not negotiable.

价格没有商量的余地。

《牛津词典》

Of course, the listing price is always negotiable as well.

当然，房屋售价永远是可以议价谈判的。

youdao

So the price is negotiable?

价格可以商量是吗？

youdao

In some countries, this still tends to be a negotiable amount but we are still dealing with discrete measurements until we arrive at the final price.

FORBES: Four Elementary Forms of Sociality Impacting Trust and Relationships