On 8 September 2025, voters in Buenos Aires province delivered a substantial rebuke to President Javier Milei’s coalition, handing the Peronist Fuerza Patria a clear lead as the country heads into October midterms. With more than 90% of ballots counted, Fuerza Patria took roughly 47% of the vote while Milei’s Libertad Avanza trailed at about 34%. The outcome undercut Milei’s hopes of building momentum for his contentious reform agenda and came amid a corruption scandal tied to leaked recordings and allegations involving the president’s sister. Markets and analysts signalled immediate concern about the political and economic trajectory ahead of the 26 October national vote.
Key takeaways
- Fuerza Patria won approximately 47% of the Buenos Aires provincial vote; Libertad Avanza secured about 34% with >90% counted.
- Buenos Aires province contains nearly 40% of Argentina’s electorate, making the result politically significant for national midterms on 26 October 2025.
- President Milei acknowledged defeat but insisted he would maintain his fiscal course; his approval rating has reportedly fallen below 40% for the first time.
- Markets show strain: Argentina’s short-dated dollar bonds have dropped more than 15% since July, equities are down about 34% in dollar terms, and sovereign spread has widened to near 9 percentage points.
- Congress recently overrode one of Milei’s vetoes for the first time, and opposition legislators are advancing new spending measures that weaken his legislative leverage.
- A corruption scandal involving leaked recordings and alleged kickbacks tied to Milei’s sister Karina dominated headlines and likely weighed on voter sentiment.
- Analysts warn the combination of political setbacks and market stress could deepen Argentina’s economic turbulence and complicate reform prospects.
Background
Buenos Aires province has long been a Peronist stronghold; its electorate represents nearly 40% of the national total, so provincial outcomes often presage broader national trends. Javier Milei, a libertarian outsider who won the presidency on a platform of shock-market reforms and fiscal austerity, had aimed to narrow the gap there to demonstrate popular backing for his program ahead of the 26 October midterms. Political observers noted that a closer result would have helped Milei expand his congressional foothold and ease the legislative path for changes to pensions, subsidies and state enterprises.
Since taking office, Milei’s administration has pursued aggressive policies to defend the peso and rein in public finances: raising short-term market rates, increasing bank reserve requirements, and selling dollars in domestic markets to supply liquidity. Those measures have coincided with a sharp economic contraction and rising unemployment in some sectors, producing friction between the government’s anti-inflation objectives and voters’ immediate concerns about jobs and growth. At the same time, a corruption controversy involving leaked recordings and allegations connected to the president’s sister has kept negative headlines in the news cycle, eroding public trust.
Main event
On Sunday, with more than 90% of ballots counted in the nation’s most populous province, the Peronist Fuerza Patria coalition emerged with about 47% of the vote compared with roughly 34% for Libertad Avanza. Pre-election forecasts and market watchers had expected a tighter contest or a narrow government setback; the margin delivered on Sunday exceeded many estimates. The gap deprived Milei of the momentum he sought to influence the national midterms and secure a stronger congressional position.
Milei conceded the provincial result in a brief statement, recognizing the defeat but asserting continuity of his economic objectives. He said his administration would continue to pursue fiscal balance, even as opponents celebrated the outcome as a rebuke of his agenda. Parliamentarians from opposition blocs used the momentum to press ahead with legislative initiatives that had stalled under Milei’s early months in office.
The vote took place against a backdrop of high-profile political developments: lawmakers overrode one of the president’s vetoes for the first time in his term the week before, and new spending bills were advancing in Congress. Those parliamentary moves further limited the executive’s room for maneuver. Meanwhile, media coverage focused on leaked recordings and allegations about kickbacks linked to Milei’s sister Karina, which dominated the political conversation in the run-up to voting day.
Analysis & implications
The provincial setback complicates Milei’s effort to expand his governing coalition in the national legislature, where his bloc holds fewer than 15% of seats in each chamber. A limited legislative base will make it harder to pass structural reforms without negotiating with rivals, reducing the scope for unilateral decrees. If the midterms reproduce elements of Sunday’s result, the president may be forced into a pragmatic approach that prioritises incremental or consensus-driven changes over sweeping reform.
Financial markets are sensitive to both political uncertainty and the fundamentals of Argentina’s macroeconomic policy. Short-dated dollar debt has fallen more than 15% since July and equities have dropped roughly 34% in dollar terms—moves that reflect a mix of global thresholds for risk and domestic policy concerns. The sovereign spread has risen to close to 9 percentage points, indicating higher borrowing costs and investor caution. Economists warn that measures used to defend the peso—like high interest rates and liquidity drains—can further depress growth, making the political-economy trade-offs starker.
The corruption allegations add a distinct political risk independent of policy debates. Even without immediate legal conclusions, sustained negative coverage can erode the president’s popular mandate and make political alliances more brittle. For Milei’s supporters, the test will be whether policy results—lower inflation or a stable currency—materialise quickly enough to offset reputational damage and short-term economic pain. For opponents, Sunday’s outcome provides leverage to shape the legislative agenda and to influence public discourse ahead of 26 October.
Comparison & data
| Indicator | Recent change |
|---|---|
| Buenos Aires vote share (Fuerza Patria) | ~47% |
| Buenos Aires vote share (Libertad Avanza) | ~34% |
| Short-dated dollar bonds (since July) | Down >15% |
| Equities (dollar terms) | Down ~34% |
| Sovereign spread vs US Treasuries | ~9 percentage points (up ~2 pp in 2 months) |
The table summarises the main numerical signals from the provincial result and recent financial moves. Taken together, they illustrate a political reversal for the government and mounting market unease. Analysts say the combination of weaker electoral performance and adverse market trends increases the odds of tighter financing conditions and higher premiums for Argentine risk in the short term.
Reactions & quotes
“Buenos Aires province is traditionally very Peronist, but this margin is even worse than expected. Markets will react on Monday with bonds and equities lower, and country risk moving higher.”
Alberto Ades, NWI Management (hedge fund research head)
Ades framed the outcome as an above-expectations loss that would likely trigger immediate market repricing. Investors typically respond swiftly to shifts that reduce a government’s capacity to implement pro-market reforms.
“This result was primarily a negative message to Milei’s government.”
Ana Iparraguirre, political scientist
Iparraguirre emphasised that the vote signalled widespread voter unease and warned that further economic turbulence could broaden Milei’s political erosion beyond his traditional strongholds.
“The government engineered a sharp recession with high rates to defend the peso, but Buenos Aires voters are saying jobs matter more than squeezing out the last bit of inflation.”
Walter Stoeppelwerth, Grit Capital (chief investment officer)
Stoeppelwerth linked economic policy choices to voter priorities, arguing the political cost of tight monetary policy may be materialising in the polls.
Unconfirmed
- Whether the leaked recordings and allegations involving Milei’s sister will lead to formal indictments or legal sanctions remains unresolved.
- It is not yet confirmed how much of the market reaction will be directly attributed to Sunday’s provincial result versus pre-existing economic pressures.
- Polling still anticipates strong performance for Libertad Avanza in some regions; whether national midterms will replicate Buenos Aires’ margin is uncertain.
Bottom line
Sunday’s decisive margin in Buenos Aires province represents a meaningful political setback for President Javier Milei and complicates his pathway for rapid, large-scale reforms. The result reduces his bargaining power in a Congress where his coalition currently controls a small fraction of seats and bolsters Peronist influence ahead of 26 October. Political momentum now favours opposition blocs that can exploit governance weaknesses and the unfolding corruption narrative.
Economically, the vote adds another layer of uncertainty to an already fragile picture: higher borrowing costs, weaker asset prices and policy trade-offs between inflation control and growth. The near-term trajectory will depend on whether Milei can stabilise markets and persuade voters that his policies will produce tangible improvement, and on whether opposition forces can convert provincial gains into a parliamentary advantage that reshapes Argentina’s policy mix.