Whisper it quietly, but Argentina's embattled markets are showing signs of doubling down on the country's no holds barred libertarian leader Javier Milei, betting he can pull the economy out of crisis.

Amid a painful economic downturn and with the government strapped for cash, Milei has made tough austerity a key focus since taking office in December, helping the country post its first monthly fiscal surplus for over a decade in January, music to the ears of investors after years of over-spending.