Four characters, .com, no meaning attached. The market for names like this is driven by companies that want an identity they own outright rather than one they share with a dictionary.
IAXG has the look of an exchange or index code, which gives it an obvious home in finance, trading, and market infrastructure. The AX in the middle is unusual enough to be distinctive and common enough in tickers to feel native. For anything else, it functions as a blank mark: initials for a firm, or a coined name with no prior claim on it.
The argument for four letters over six or eight has never really changed. Shorter names get typed correctly more often, get remembered after one exposure, and don’t get truncated in the places where links get truncated. Companies that start with a long name usually try to buy a short one later, once they’ve spent a few years measuring the cost.
Fixed supply, steady demand, nothing to spell out.
Serious offers only.