Remedy has released its financial statement for the first quarter of 2024, and despite strong sales, Alan Wake 2 has yet to recoup its development costs.
Pointing out which meaning applies is how definitions work. One is enough.
So which is it? Because the only one that might apply is the last and that one has a complicated legal meaning that is multiple parts of which you only seem to care about a single part: https://www.merriam-webster.com/dictionary/monopoly
Then courts ask if that leading position was gained or maintained through improper conduct—that is, something other than merely having a better product, superior management or historic accident.
Does not in fact say:
Then courts ask if that monopoly was gained or maintained through improper conduct—that is, something other than merely having a better product, superior management or historic accident.
The standard has multiple prongs. You might have "monopoly power" without in fact being a monopoly because being a monopoly requires meeting a legal standard where being the in the leading position of a market is not the singular qualifier.
You're quoting a sentence that defines anticompetitive practices, not a sentence that defines a monopoly.
Here is a sentence from the same page that defines a monopoly:
Courts do not require a literal monopoly before applying rules for single firm conduct; that term is used as shorthand for a firm with significant and durable market power — that is, the long term ability to raise price or exclude competitors.