Argentina Inflation Rises to 1.9% in September

That stability matters because Argentina’s disinflation has become the flagship achievement of Milei’s austerity program. But the same policies that have reduced inflation have also squeezed domestic demand, with the government’s fiscal retrenchment and cuts to subsidies weighing on consumption, employment and activity. The September pickup reflected, in part, higher costs for water, electricity and gas as subsidies were pared back further.

For investors, the key question is whether Argentina can keep inflation near current levels without tipping the economy into a deeper slowdown. The IMF’s latest outlook suggests that balance is getting harder to maintain. It cut its 2026 growth forecast for Argentina to 2.1% from 3.5% in July, citing weaker third-quarter activity and a softening of domestic demand amid still-restrictive financial conditions. The fund expects a pickup later in the year, but the downgrade reinforces concerns that the anti-inflation shock is arriving alongside a weaker labor market and a more fragile consumer.

The growth downgrade also carries implications beyond Argentina’s borders. A slower economy could dampen earnings for companies with exposure to local spending, while the persistence of relatively low monthly inflation may support assets tied to reform progress if investors conclude Milei is preserving macro stability. But if tightening continues to bite and political support erodes, the same stabilization could lose credibility if growth and employment deteriorate too far.

For now, September’s reading suggests Argentina is still winning the inflation battle, but at an economic cost that is becoming harder for policymakers, businesses and investors to ignore. The next test is whether inflation can remain subdued as the economy absorbs further subsidy cuts and the IMF’s weaker growth scenario starts to look more like the baseline.