# Argentina Presidential Election Winner

Updated: August 18, 2026

Category: Politics

Tags: Elections, Argentina, Argentina Election, milei, Global Elections, Main Election

HTML: /markets/politics/elections/argentina-presidential-election-winner/

## Short Answer

**Key takeaway.** Both the **model** and the **market** expect Javier Milei to win the Argentina Presidential Election, with no compelling evidence of mispricing.

## Key Claims (January 2026)

**- - Javier Milei leads; his political capital ties to economic transformation and legislative reforms.** - Axel Kicillof leads the Peronist challenge, organizing opposition against President Milei.
- Milei's public support appears competitive; 2023 polling firms often overestimated his performance.

### Why This Matters (GEO)

- AI agents extract claims, not arguments.
- Improves citation probability in summaries and answer cards.
- Enables fact stitching across multiple sources.

## Executive Verdict

**Key takeaway.** **Model**'s **52.5%** **probability** slightly exceeds 52c **market** price, implying a 1.9x payout given declining approval.

### Who Wins and Why

| Outcome | Market | Model | Why |
| --- | --- | --- | --- |
| Javier Milei | 52.0% | 52.5% | Outcome reflects current market participant expectations. |
| Axel Kicillof | 41.0% | 44.0% | Outcome reflects current market participant expectations. |
| Sergio Massa | 5.5% | 0.0% | Outcome reflects current market participant expectations. |

## Model vs Market

| Outcome | Market Probability | Octagon Model Probability |
| --- | --- | --- |
| Javier Milei | 52.0% | 52.5% |
| Axel Kicillof | 41.0% | 44.0% |
| Sergio Massa | 5.5% | 0.0% |
| Mauricio Macri | 0.6% | 0.0% |
| Myriam Bregman | 1.8% | 0.0% |
| Dante Gebel | 0.6% | 0.0% |
| Juan Grabois | 0.7% | 0.0% |
| Juan Schiaretti | 0.3% | 0.0% |
| Victoria Villarruel | 0.4% | 0.0% |
| Esteban Bullrich | 0.2% | 0.0% |
| Facundo Manes | 0.2% | 0.0% |
| Person A | 0.0% | 0.0% |
| Person B | 0.0% | 0.0% |
| Person C | 0.0% | 0.0% |
| Person D | 0.0% | 0.0% |
| Person E | 0.0% | 0.0% |
| Person F | 0.0% | 0.0% |
| Person G | 0.0% | 0.0% |
| Person H | 0.0% | 0.0% |
| Person I | 0.0% | 0.0% |
| Person J | 0.0% | 0.0% |
| Person K | 0.0% | 0.0% |
| Person L | 0.0% | 0.0% |
| Person M | 0.0% | 0.0% |
| Person N | 0.0% | 0.0% |
| Person O | 0.0% | 0.0% |
| Person P | 0.0% | 0.0% |
| Person Q | 0.0% | 0.0% |
| Person R | 0.0% | 0.0% |
| Person S | 0.0% | 0.0% |
| Person T | 0.0% | 0.0% |
| Person U | 0.0% | 0.0% |
| Person V | 0.0% | 0.0% |
| Person W | 0.0% | 0.0% |
| Person X | 0.0% | 0.0% |
| Person Y | 0.0% | 0.0% |
| Person Z | 0.0% | 0.0% |
| Person AA | 0.0% | 0.0% |
| Person AB | 0.0% | 0.0% |
| Person AC | 0.0% | 0.0% |
| Person AD | 0.0% | 0.0% |
| Person AE | 0.0% | 0.0% |
| Person AF | 0.0% | 0.0% |
| Person AG | 0.0% | 0.0% |
| Person AH | 0.0% | 0.0% |
| Person AI | 0.0% | 0.0% |
| Person AJ | 0.0% | 0.0% |
| Person AK | 0.0% | 0.0% |
| Person AL | 0.0% | 0.0% |
| Person AM | 0.0% | 0.0% |
| Person AN | 0.0% | 0.0% |
| Person AO | 0.0% | 0.0% |
| Person AP | 0.0% | 0.0% |
| Person AQ | 0.0% | 0.0% |
| Person AR | 0.0% | 0.0% |
| Person AS | 0.0% | 0.0% |
| Person AT | 0.0% | 0.0% |
| Person AU | 0.0% | 0.0% |
| Person AV | 0.0% | 0.0% |
| Person AW | 0.0% | 0.0% |
| Person AX | 0.0% | 0.0% |
| Person AY | 0.0% | 0.0% |
| Person AZ | 0.0% | 0.0% |
| Other | 0.0% | 0.0% |

- Expiration: October 24, 2027

## Market Behavior & Price Dynamics

This contract's price has been range-bound since inception, trading sideways within a narrow 6-point band between 50.5% and 56.5%. It began at 51.5% and currently sits at 50.5%, indicating no clear directional trend. The price movements appear to establish support at the 50.5% level and resistance at 56.5%, though these levels are not battle-tested. Market sentiment, as reflected by the price, is essentially neutral, pricing a Milei reelection as a coin-flip scenario. The current price sits just above the 50% equilibrium point.

The most critical technical factor is the complete absence of trading volume. With zero contracts traded, the price chart does not reflect a consensus formed by market participants. Instead, the price movements are likely automated adjustments by a market maker or reflect theoretical odds without any capital committed. The lack of volume means price changes, such as the move from 55.5% down to 50.5% in mid-August 2026, cannot be attributed to specific news events or shifts in trader conviction. The market is entirely illiquid, suggesting participants are unwilling to take a position this far out from the 2027 election.

## Contract Snapshot

This market determines the winner of the Argentinian Presidential election, including any second round, scheduled for October 24, 2027. A specific candidate's contract resolves to 'YES' if they win the election, otherwise, it resolves to 'NO'. Resolution relies on a consensus of credible reporting, prioritizing official Argentinian government sources in case of ambiguity; if a definitive winner is not known by October 31, 2028, 11:59 PM ET, the market will resolve to "Other," meaning all listed candidates' contracts resolve to 'NO'.

## Market Discussion

The market for the 2027 Argentine Presidential Election is closely contested between Javier Milei and Axel Kicillof, reflecting a balance of influencing factors. Milei faces challenges due to sharply declining approval ratings, persistent high inflation, economic strain, and corruption concerns, despite his administration's fiscal surplus and reforms. Kicillof's support stems from strong polling and efforts to consolidate opposition. A significant 30% of voters remain undecided, indicating fragmentation, with market shifts expected to depend on economic data, Peronist coalition unity, and major legislative or scandal-driven developments.

## Market Data

| Contract | Yes Bid | Yes Ask | Last Price | Volume | Open Interest |
| --- | --- | --- | --- | --- | --- |
| Axel Kicillof | 41% | 42% | 41% | $101,742.69 | $0 |
| Dante Gebel | 0.6% | 0.7% | 0.6% | $33,478.67 | $0 |
| Esteban Bullrich | 0.2% | 0.3% | 0.2% | $24,509.79 | $0 |
| Facundo Manes | 0.1% | 0.2% | 0.2% | $22,558.12 | $0 |
| Javier Milei | 50% | 51% | 52% | $138,484.53 | $0 |
| Juan Grabois | 0.4% | 0.8% | 0.7% | $30,430.34 | $0 |
| Juan Schiaretti | 0.2% | 0.3% | 0.3% | $29,494.37 | $0 |
| Mauricio Macri | 0.3% | 0.4% | 0.6% | $36,700.8 | $0 |
| Myriam Bregman | 0.8% | 1.7% | 1.8% | $34,852.36 | $0 |
| Person A | 0% | 100% | 0% | $0 | $0 |
| Person AA | 0% | 100% | 0% | $0 | $0 |
| Person AB | 0% | 100% | 0% | $0 | $0 |
| Person AC | 0% | 100% | 0% | $0 | $0 |
| Person AD | 0% | 100% | 0% | $0 | $0 |
| Person AE | 0% | 100% | 0% | $0 | $0 |
| Person AF | 0% | 100% | 0% | $0 | $0 |
| Person AG | 0% | 100% | 0% | $0 | $0 |
| Person AH | 0% | 100% | 0% | $0 | $0 |
| Person AI | 0% | 100% | 0% | $0 | $0 |
| Person AJ | 0% | 100% | 0% | $0 | $0 |
| Person AK | 0% | 100% | 0% | $0 | $0 |
| Person AL | 0% | 100% | 0% | $0 | $0 |
| Person AM | 0% | 100% | 0% | $0 | $0 |
| Person AN | 0% | 100% | 0% | $0 | $0 |
| Person AO | 0% | 100% | 0% | $0 | $0 |
| Person AP | 0% | 100% | 0% | $0 | $0 |
| Person AQ | 0% | 100% | 0% | $0 | $0 |
| Person AR | 0% | 100% | 0% | $0 | $0 |
| Person AS | 0% | 100% | 0% | $0 | $0 |
| Person AT | 0% | 100% | 0% | $0 | $0 |
| Person AU | 0% | 100% | 0% | $0 | $0 |
| Person AV | 0% | 100% | 0% | $0 | $0 |
| Person AW | 0% | 100% | 0% | $0 | $0 |
| Person AX | 0% | 100% | 0% | $0 | $0 |
| Person AY | 0% | 100% | 0% | $0 | $0 |
| Person AZ | 0% | 100% | 0% | $0 | $0 |
| Person B | 0% | 100% | 0% | $0 | $0 |
| Person C | 0% | 100% | 0% | $0 | $0 |
| Person D | 0% | 100% | 0% | $0 | $0 |
| Person E | 0% | 100% | 0% | $0 | $0 |
| Person F | 0% | 100% | 0% | $0 | $0 |
| Person G | 0% | 100% | 0% | $0 | $0 |
| Person H | 0% | 100% | 0% | $0 | $0 |
| Person I | 0% | 100% | 0% | $0 | $0 |
| Person J | 0% | 100% | 0% | $0 | $0 |
| Person K | 0% | 100% | 0% | $0 | $0 |
| Person L | 0% | 100% | 0% | $0 | $0 |
| Person M | 0% | 100% | 0% | $0 | $0 |
| Person N | 0% | 100% | 0% | $0 | $0 |
| Person O | 0% | 100% | 0% | $0 | $0 |
| Person P | 0% | 100% | 0% | $0 | $0 |
| Person Q | 0% | 100% | 0% | $0 | $0 |
| Person R | 0% | 100% | 0% | $0 | $0 |
| Person S | 0% | 100% | 0% | $0 | $0 |
| Person T | 0% | 100% | 0% | $0 | $0 |
| Person U | 0% | 100% | 0% | $0 | $0 |
| Person V | 0% | 100% | 0% | $0 | $0 |
| Person W | 0% | 100% | 0% | $0 | $0 |
| Person X | 0% | 100% | 0% | $0 | $0 |
| Person Y | 0% | 100% | 0% | $0 | $0 |
| Person Z | 0% | 100% | 0% | $0 | $0 |
| Sergio Massa | 4.3% | 5.5% | 5.5% | $46,555.01 | $0 |
| Other | 0% | 100% | 0% | $0 | $0 |
| Victoria Villarruel | 0.3% | 0.5% | 0.4% | $28,436.94 | $0 |

## What are the primary legislative battles, such as Central Bank reform, that could define Javier Milei's political capital ahead of the 2027 election?

Primary Legislative Focus | Central Bank reform bill (as of August 2026) [[^]](https://batimes.com.ar/news/economy/milei-central-bank-reform-would-ban-financing-state-spending.phtml)[[^]](https://buenosairesherald.com/politics/after-the-world-cup-government-to-shift-focus-back-to-congress-and-mileis-reelection) |
Post-2025 Congressional Strength | Stronger, but still lacks formal majority [[^]](https://directoriolegislativo.org/en/opening-of-the-2026-legislative-session-a-new-parliamentary-landscape-and-upcoming-challenges/)[[^]](https://wsclegal.com/en/impact-of-argentinas-midterm-elections/) |
Critical Agenda Needs | Lift currency controls and secure new IMF agreements (as of late 2026) [[^]](https://www.ap.org/news-highlights/spotlights/2024/argentinas-milei-marks-one-year-in-office-heres-how-his-shock-measures-are-reshaping-the-economy/)[[^]](https://email.decisiondeskhq.com/link/c/YT0yMzU3NDY1NTIxODgxODgxMDMyJmM9czd1MCZiPTEyNDcwMDMzNjImZD1kOG05dzVo.d0ac8i0cpjeaSFfMHlDTsvRKmK4Oa-ZcqwZ8-TkYA8w) |

**Milei's political capital hinges on economic transformation and key legislative reforms**

Milei's political capital hinges on economic transformation and key legislative reforms. Javier Milei's political capital leading up to the 2027 election is primarily defined by legislative efforts aimed at economic transformation [[^]](https://batimes.com.ar/news/economy/milei-central-bank-reform-would-ban-financing-state-spending.phtml)[[^]](https://buenosairesherald.com/politics/after-the-world-cup-government-to-shift-focus-back-to-congress-and-mileis-reelection)[[^]](https://www.ap.org/news-highlights/spotlights/2024/argentinas-milei-marks-one-year-in-office-heres-how-his-shock-measures-are-reshaping-the-economy/)[[^]](https://email.decisiondeskhq.com/link/c/YT0yMzU3NDY1NTIxODgxODgxMDMyJmM9czd1MCZiPTEyNDcwMDMzNjImZD1kOG05dzVo.d0ac8i0cpjeaSFfMHlDTsvRKmK4Oa-ZcqwZ8-TkYA8w). As of August 2026, a critical legislative battle involves a Central Bank reform bill, designed to prohibit the institution from financing government spending and to embed current austerity policies into law, thereby solidifying his economic legacy [[^]](https://batimes.com.ar/news/economy/milei-central-bank-reform-would-ban-financing-state-spending.phtml)[[^]](https://buenosairesherald.com/politics/after-the-world-cup-government-to-shift-focus-back-to-congress-and-mileis-reelection). His broader platform also includes initiatives to reduce government spending, shrink the state, and potentially dismantle the Central Bank, alongside electoral reforms such as eliminating mandatory PASO primaries and introducing a 'Ficha Limpia' law to bar individuals convicted of corruption from candidacy [[^]](https://buenosairesherald.com/politics/after-the-world-cup-government-to-shift-focus-back-to-congress-and-mileis-reelection)[[^]](https://email.decisiondeskhq.com/link/c/YT0yMzU3NDY1NTIxODgxODgxMDMyJmM9czd1MCZiPTEyNDcwMDMzNjImZD1kOG05dzVo.d0ac8i0cpjeaSFfMHlDTsvRKmK4Oa-ZcqwZ8-TkYA8w)[[^]](https://www.batimes.com.ar/news/argentina/milei-moves-to-eliminate-argentinas-primaries-in-election-reform-push.phtml). Furthermore, by late 2026, his political agenda critically requires lifting strict currency controls and securing new agreements with the International Monetary Fund (IMF) to manage debt repayments [[^]](https://www.ap.org/news-highlights/spotlights/2024/argentinas-milei-marks-one-year-in-office-heres-how-his-shock-measures-are-reshaping-the-economy/)[[^]](https://email.decisiondeskhq.com/link/c/YT0yMzU3NDY1NTIxODgxODgxMDMyJmM9czd1MCZiPTEyNDcwMDMzNjImZD1kOG05dzVo.d0ac8i0cpjeaSFfMHlDTsvRKmK4Oa-ZcqwZ8-TkYA8w).

Despite increased congressional strength, Milei faces political challenges requiring alliances. Following the 2025 midterm elections, Milei's party has achieved a stronger congressional position than at the start of his term, though it still lacks a formal majority [[^]](https://directoriolegislativo.org/en/opening-of-the-2026-legislative-session-a-new-parliamentary-landscape-and-upcoming-challenges/)[[^]](https://wsclegal.com/en/impact-of-argentinas-midterm-elections/). This parliamentary landscape necessitates negotiating ad-hoc alliances with provincial governors and center-right blocs, such as PRO, to pass significant legislation [[^]](https://directoriolegislativo.org/en/opening-of-the-2026-legislative-session-a-new-parliamentary-landscape-and-upcoming-challenges/)[[^]](https://wsclegal.com/en/impact-of-argentinas-midterm-elections/). Milei's political standing is currently being tested by internal government infighting, allegations of corruption among senior officials, and gradually declining approval ratings [[^]](https://buenosairesherald.com/politics/three-challenges-milei-faces-as-infighting-pushes-lla-to-boiling-point)[[^]](https://www.chathamhouse.org/2026/06/can-argentinas-javier-milei-evolve-disruptor-political-leader). These challenges have prompted his administration to shift its strategy from confrontation to legislative negotiation [[^]](https://buenosairesherald.com/politics/three-challenges-milei-faces-as-infighting-pushes-lla-to-boiling-point)[[^]](https://www.chathamhouse.org/2026/06/can-argentinas-javier-milei-evolve-disruptor-political-leader). His ability to navigate these economic reforms without triggering severe social instability or losing public support is considered essential for his political viability leading up to the 2027 presidential election [[^]](https://www.ap.org/news-highlights/spotlights/2024/argentinas-milei-marks-one-year-in-office-heres-how-his-shock-measures-are-reshaping-the-economy/)[[^]](https://email.decisiondeskhq.com/link/c/YT0yMzU3NDY1NTIxODgxODgxMDMyJmM9czd1MCZiPTEyNDcwMDMzNjImZD1kOG05dzVo.d0ac8i0cpjeaSFfMHlDTsvRKmK4Oa-ZcqwZ8-TkYA8w).

## What do current approval ratings and recent provincial election outcomes suggest about Javier Milei's level of public support heading into the 2027 campaign?

Milei Approval Ratings (Mid-2026) | 30%-40% approval, 60%-65% disapproval [[^]](https://www.riotimesonline.com/mileis-youth-support-slips-as-new-polls-show-high-disapproval/) |
2027 Presidential Prediction Market | Milei ~48.5%, Kicillof ~40.5% [[^]](https://www.batimes.com.ar/news/argentina/as-mileis-aura-fades-argentina-starts-to-look-for-a-third-way.phtml)[[^]](https://polymarket.com/event/argentina-presidential-election-winner) |
Voter Dissatisfaction | Nearly 30% dissatisfied with Milei and opposition [[^]](https://www.batimes.com.ar/news/argentina/as-mileis-aura-fades-argentina-starts-to-look-for-a-third-way.phtml)[[^]](https://en.ara.cat/international/milei-s-recipe-doesn-t-work-argentinians-have-to-have-two-jobs-to-make-ends-meet_1_5718937.html) |

**Javier Milei's public support heading into the 2027 campaign presents a competitive yet uncertain outlook**

Javier Milei's public support heading into the 2027 campaign presents a competitive yet uncertain outlook. As of mid-2026, his approval ratings have declined to **30%**-**40%**, with disapproval rising to **60%**-**65%** across various polls [[^]](https://www.riotimesonline.com/mileis-youth-support-slips-as-new-polls-show-high-disapproval/). This marks a significant drop from late 2024, when his approval stood at approximately **50%**, a figure that reflected a public desire for change in Argentina [[^]](https://www.ap.org/news-highlights/spotlights/2024/argentinas-milei-marks-one-year-in-office-heres-how-his-shock-measures-are-reshaping-the-economy/). Notably, this decline includes an erosion of support among younger Argentine voters, who were instrumental in his initial electoral success [[^]](https://www.riotimesonline.com/mileis-youth-support-slips-as-new-polls-show-high-disapproval/).

Milei experienced mixed provincial and midterm election results in 2025. His political trajectory included a defeat in a key Buenos Aires provincial election in September [[^]](https://apnews.com/article/argentina-election-javier-milei-cristina-fernandez-peronism-fecba6d106eb2c0f2440e9fca298e470)[[^]](https://www.batimes.com.ar/news/argentina/kicillof-emerges-as-challenger-to-milei-after-big-win.phtml)[[^]](https://www.aljazeera.com/news/2025/9/8/argentinas-milei-suffers-crushing-setback-in-buenos-aires-election). However, this was followed by a rebound and victory in the October 2025 congressional midterms, which strengthened his mandate for reforms [[^]](https://www.reuters.com/world/americas/argentines-vote-high-stakes-test-mileis-libertarian-vision-2025-10-26/)[[^]](https://www.bbc.com/news/articles/c4gw8qpyvqdo).

The 2027 presidential election is highly competitive with increasing voter fragmentation. Looking towards the 2027 presidential race, prediction markets in mid-2026 indicate a competitive landscape. His lead over potential rivals, such as Axel Kicillof, has narrowed, with probabilities often clustered (e.g., approximately **48.5%** for Milei versus **40.5%** for Kicillof), signifying an environment of uncertainty and the emergence of potential 'third-way' candidates [[^]](https://www.batimes.com.ar/news/argentina/as-mileis-aura-fades-argentina-starts-to-look-for-a-third-way.phtml)[[^]](https://polymarket.com/event/argentina-presidential-election-winner). The political climate for 2027 is dynamic, characterized by growing voter fatigue and fragmentation, with nearly **30%** of voters expressing dissatisfaction with both Milei and major opposition figures, thus opening avenues for alternative political forces [[^]](https://www.batimes.com.ar/news/argentina/as-mileis-aura-fades-argentina-starts-to-look-for-a-third-way.phtml)[[^]](https://en.ara.cat/international/milei-s-recipe-doesn-t-work-argentinians-have-to-have-two-jobs-to-make-ends-meet_1_5718937.html).

## How do Javier Milei's economic proposals for a second term compare with the platforms of potential Peronist challengers like Axel Kicillof or Sergio Massa?

Public Spending Target | Maximum 25% of GDP by 2027 [[^]](https://www.thecommonsense.co.za/columns/javier-mileis-second-coming-and-argentinas-libertarian-turn) |
National Tax Reduction Goal | 90% reduction, leaving six national taxes [[^]](https://www.thecommonsense.co.za/columns/javier-mileis-second-coming-and-argentinas-libertarian-turn)[[^]](https://en.ara.cat/international/milei-promises-deep-chainsaw-for-the-year-of-argentina-s-reconstruction_1_5301734.html) |
2027 Election Outlook | Competitive but leaning for Javier Milei (August 2026) [[^]](https://en.wikipedia.org/wiki/2027_Argentine_general_election)[[^]](https://www.lines.com/prediction-markets/elections/argentina-presidential-election-winner) |

**Javier Milei's second-term economic plans emphasize deep austerity and state reduction**

Javier Milei's second-term economic plans emphasize deep austerity and state reduction. His proposals aim to institutionalize these measures, targeting a maximum public spending limit of **25%** of GDP by 2027 and a **90%** reduction in national taxes, retaining only six [[^]](https://www.thecommonsense.co.za/columns/javier-mileis-second-coming-and-argentinas-libertarian-turn)[[^]](https://en.ara.cat/international/milei-promises-deep-chainsaw-for-the-year-of-argentina-s-reconstruction_1_5301734.html). These actions are designed to achieve long-term disinflation through mandatory fiscal balance and continued state downsizing. Currently, Milei's governing strategy involves extreme austerity, implementing deep cuts to health care budgets, subsidies, and public infrastructure [[^]](https://www.ap.org/news-highlights/spotlights/2024/argentinas-milei-marks-one-year-in-office-heres-how-his-shock-measures-are-reshaping-the-economy/)[[^]](https://newsroom.ap.org/detail/ArgentinasPresidentMileireactsascountrytoliftstrictcurrencycontrolswithhelpfromIMF/6b100cbb748f46ee9d9920316a20cfe7/video). These policies have led to a significant recession, falling consumer spending, and public unrest, particularly affecting retirees and the public health sector [[^]](https://www.ap.org/news-highlights/spotlights/2024/argentinas-milei-marks-one-year-in-office-heres-how-his-shock-measures-are-reshaping-the-economy/)[[^]](https://www.ap.org/news-highlights/spotlights/2025/argentines-reel-from-health-care-cutbacks-as-president-mileis-state-overhaul-mirrors-trumps/)[[^]](https://newsroom.ap.org/detail/RetireesinArgentinaclashwithpoliceastheycontinueprotestingpensioncuts/6762439ea54f4d2bbc829384f9691e5c/video).

Peronist challengers offer interventionist and 'third way' economic models. Axel Kicillof advocates for a return to a more interventionist, state-supported economic framework [[^]](https://uwidata.com/39225-where-is-mileis-argentina-headed-after-the-legislative-elections/)[[^]](https://www.batimes.com.ar/news/argentina/kicillof-emerges-as-challenger-to-milei-after-big-win.phtml). In contrast, Sergio Massa is reportedly developing a 'third way' Peronist coalition, focusing on macroeconomic order, debt sustainability, and fostering industrial production [[^]](https://www.chathamhouse.org/2026/06/can-argentinas-javier-milei-evolve-disruptor-political-leader)[[^]](https://www.batimes.com.ar/news/argentina/as-mileis-aura-fades-argentina-starts-to-look-for-a-third-way.phtml).

Prediction markets show a competitive landscape for the 2027 election. As of August 2026, forecasts indicate a competitive, though currently leaning, political environment for President Javier Milei in the upcoming 2027 presidential election [[^]](https://en.wikipedia.org/wiki/2027_Argentine_general_election)[[^]](https://www.lines.com/prediction-markets/elections/argentina-presidential-election-winner). His future standing is contingent upon his mid-term performance, the nation's economic stability, and the ability of the opposition to consolidate its forces [[^]](https://en.wikipedia.org/wiki/2027_Argentine_general_election)[[^]](https://www.lines.com/prediction-markets/elections/argentina-presidential-election-winner).

## Which polling firms demonstrated the most accuracy in the 2023 Argentine general election, and what do their initial surveys for 2027 indicate?

2023 Election Most Accurate Pollster | AtlasIntel (anticipated Sergio Massa's first-round victory) [[^]](https://www.atlasintel.org/media/atlasintel-was-the-only-pollster-to-show-massas-victory-in-the-1st-round-of-the-argentine-presidential-elections) |
2023 Election Polling Performance | Most firms overestimated Javier Milei's performance, leading to broad struggles [[^]](https://www.atlasintel.org/media/atlasintel-was-the-only-pollster-to-show-massas-victory-in-the-1st-round-of-the-argentine-presidential-elections)[[^]](https://stg-aws01pub.cnbc.com/2023/10/20/argentina-election-javier-milei-seen-as-the-one-to-beat-in-open-race.html)[[^]](https://www.batimes.com.ar/news/argentina/voter-turnout-set-to-be-defining-factor-in-argentinas-election.phtml)[[^]](https://www.reuters.com/world/americas/argentina-set-primary-vote-with-ruling-peronists-fighting-survival-2023-08-13/) |
2027 Prediction Market Favorite | Javier Milei (50-60% implied winning probability as of August 2026) [[^]](https://polymarket.com/event/argentina-presidential-election-winner)[[^]](https://www.lines.com/prediction-markets/elections/argentina-presidential-election-winner)[[^]](https://markets.bitcoin.com/prediction/kalshi/who-will-win-the-next-argentine-presidential-election--KXARGENTINAPRES-27)[[^]](https://www.coinrithm.com/tr/tahmin-piyasalari/manifold/next-president-of-argentina-2027-el) |

**Polling firms largely struggled to accurately predict the 2023 Argentine general election results**

Polling firms largely struggled to accurately predict the 2023 Argentine general election results. Most firms overestimated Javier Milei's performance, highlighting significant challenges in polling accuracy [[^]](https://www.atlasintel.org/media/atlasintel-was-the-only-pollster-to-show-massas-victory-in-the-1st-round-of-the-argentine-presidential-elections)[[^]](https://stg-aws01pub.cnbc.com/2023/10/20/argentina-election-javier-milei-seen-as-the-one-to-beat-in-open-race.html)[[^]](https://www.batimes.com.ar/news/argentina/voter-turnout-set-to-be-defining-factor-in-argentinas-election.phtml)[[^]](https://www.reuters.com/world/americas/argentina-set-primary-vote-with-ruling-peronists-fighting-survival-2023-08-13/). AtlasIntel was the only firm identified that successfully anticipated Sergio Massa's victory in the first round [[^]](https://www.atlasintel.org/media/atlasintel-was-the-only-pollster-to-show-massas-victory-in-the-1st-round-of-the-argentine-presidential-elections). This election cycle underscored a recurring pattern of inaccurate polling, leading analysts to question the reliability of various survey methodologies within Argentina's volatile political climate [[^]](https://stg-aws01pub.cnbc.com/2023/10/20/argentina-election-javier-milei-seen-as-the-one-to-beat-in-open-race.html)[[^]](https://www.batimes.com.ar/news/argentina/voter-turnout-set-to-be-defining-factor-in-argentinas-election.phtml)[[^]](https://www.reuters.com/world/americas/argentina-set-primary-vote-with-ruling-peronists-fighting-survival-2023-08-13/)[[^]](https://email.decisiondeskhq.com/link/c/YT0yMzU3NDY1NTIxODgxODgxMDMyJmM9czd1MCZiPTEyNDcwMDMzNjImZD1kOG05dzVo.d0ac8i0cpjeaSFfMHlDTsvRKmK4Oa-ZcqwZ8-TkYA8w).

Reliable polling data for the 2027 Argentine presidential election is currently unavailable. The political landscape remains in a "wait and see" period, as analysts monitor the country's economic and political future following Javier Milei's initial term [[^]](https://email.decisiondeskhq.com/link/c/YT0yMzU3NDY1NTIxODgxODgxMDMyJmM9czd1MCZiPTEyNDcwMDMzNjImZD1kOG05dzVo.d0ac8i0cpjeaSFfMHlDTsvRKmK4Oa-ZcqwZ8-TkYA8w). However, prediction markets as of August 2026 consistently favor the incumbent, Javier Milei, with implied winning probabilities typically ranging between **50%** and **60%**. Axel Kicillof is identified as the primary challenger in these markets [[^]](https://polymarket.com/event/argentina-presidential-election-winner)[[^]](https://www.lines.com/prediction-markets/elections/argentina-presidential-election-winner)[[^]](https://markets.bitcoin.com/prediction/kalshi/who-will-win-the-next-argentine-presidential-election--KXARGENTINAPRES-27)[[^]](https://www.coinrithm.com/tr/tahmin-piyasalari/manifold/next-president-of-argentina-2027-el).

## How is the Peronist opposition organizing to challenge Milei in 2027, and what do current indicators reveal about its unity and leadership?

Primary Peronist Challenger | Axel Kicillof [[^]](https://www.chathamhouse.org/2026/06/can-argentinas-javier-milei-evolve-disruptor-political-leader)[[^]](https://www.batimes.com.ar/news/argentina/kicillof-emerges-as-challenger-to-milei-after-big-win.phtml)[[^]](https://polymarket.com/event/argentina-presidential-election-winner)[[^]](https://predictionbubbles.net/markets/polymarket/will-javier-milei-win-the-2027-argentina-presidential-election-6ffb61/)[[^]](https://polymarket.com/predictions/argentina) |
Milei Re-election Prospects | 50-55% (August 2026 prediction markets) [[^]](https://polymarket.com/event/argentina-presidential-election-winner)[[^]](https://predictionbubbles.net/markets/polymarket/will-javier-milei-win-the-2027-argentina-presidential-election-6ffb61/)[[^]](https://polymarket.com/predictions/argentina) |
Kicillof Legislative Victory Year | 2025 (in his district) [[^]](https://www.chathamhouse.org/2026/06/can-argentinas-javier-milei-evolve-disruptor-political-leader)[[^]](https://www.batimes.com.ar/news/argentina/kicillof-emerges-as-challenger-to-milei-after-big-win.phtml) |

**Axel Kicillof leads the Peronist challenge against President Milei**

Axel Kicillof leads the Peronist challenge against President Milei. Axel Kicillof, the Governor of Buenos Aires Province, has emerged as the principal Peronist challenger to President Javier Milei for the 2027 presidential election, following a significant legislative victory in his district in 2025 [[^]](https://www.chathamhouse.org/2026/06/can-argentinas-javier-milei-evolve-disruptor-political-leader)[[^]](https://www.batimes.com.ar/news/argentina/kicillof-emerges-as-challenger-to-milei-after-big-win.phtml). As of August 2026, prediction markets indicate a competitive race, positioning Kicillof as a leading opposition alternative, while President Milei’s re-election prospects are trading near 50-**55%** [[^]](https://polymarket.com/event/argentina-presidential-election-winner)[[^]](https://predictionbubbles.net/markets/polymarket/will-javier-milei-win-the-2027-argentina-presidential-election-6ffb61/)[[^]](https://polymarket.com/predictions/argentina).

Peronist opposition remains divided despite calls for unity. Despite calls for broader coalition building and a unified government plan, the Peronist opposition remains internally divided, experiencing ongoing friction, including tensions between Kicillof and former president Cristina Fernández de Kirchner [[^]](https://www.chathamhouse.org/2026/06/can-argentinas-javier-milei-evolve-disruptor-political-leader)[[^]](https://uwidata.com/39225-where-is-mileis-argentina-headed-after-the-legislative-elections/)[[^]](https://www.reuters.com/world/americas/peronist-leaders-argentina-seek-broad-alliance-milei-loses-support-2026-05-27/). Concurrently, other centrist alternatives, such as the Provincias Unidas front, are working to build a federal base aimed at disrupting the traditional Peronist-anti-Peronist polarization [[^]](https://www.batimes.com.ar/news/opinion-and-analysis/the-milei-siblings-are-losing-soldiers-fast.phtml)[[^]](https://batimes.com.ar/news/argentina/challenges-ahead-as-provincias-unidas-battles-against-polarisation.phtml)[[^]](https://email.decisiondeskhq.com/link/c/YT0yMzU3NDY1NTIxODgxODgxMDMyJmM9czd1MCZiPTEyNDcwMDMzNjImZD1kOG05dzVo.d0ac8i0cpjeaSFfMHlDTsvRKmK4Oa-ZcqwZ8-TkYA8w).

## What Could Change the Odds

**Javier Milei, who won the presidential election in November 2023 [[^]](https://email.decisiondeskhq.com/link/c/YT0yMzU3NDY1NTIxODgxODgxMDMyJmM9czd1MCZiPTEyNDcwMDMzNjImZD1kOG05dzVo.d0ac8i0cpjeaSFfMHlDTsvRKmK4Oa-ZcqwZ8-TkYA8w)[[^]](https://www.ap.org/news-highlights/spotlights/2024/argentinas-milei-marks-one-year-in-office-heres-how-his-shock-measures-are-reshaping-the-economy/), assumed office on December 10, 2023, for a four-year term ending December 10, 2027 [[^]](https://en.wikipedia.org/wiki/President_of_Argentina)[[^]](https://en.wikipedia.org/wiki/2027_Argentine_general_election)[[^]](https://www.lanacion.com.ar/politica/elecciones-2027-cuando-se-vota-para-presidente-en-la-argentina-nid03082026/).** Milei is eligible to run for a second consecutive term and has expressed interest in doing so [[^]](https://en.wikipedia.org/wiki/2027_Argentine_general_election)[[^]](https://www.wikiwand.com/en/2027_Argentine_general_election). The next Argentine general election is scheduled for October 24, 2027, with a potential runoff on November 21, 2027 [[^]](https://en.wikipedia.org/wiki/2027_Argentine_general_election)[[^]](https://www.lanacion.com.ar/politica/elecciones-2027-cuando-se-vota-para-presidente-en-la-argentina-nid03082026/)[[^]](https://distantnews.com/article/argentina-presidential-elections-set-for-october-2027-qxh1nny7). However, there is no record of an official presidential election specifically scheduled for that date, with the next presidential election broadly expected in 2027 [[^]](https://ballotpedia.org/California_elections,_2027)[[^]](https://www.fec.gov/resources/cms-content/documents/2026pdates.pdf)[[^]](https://ballotpedia.org/Arizona_election_calendar).

**The current administration is pursuing potential electoral reforms, notably the elimination of mandatory open primary elections (PASO) [[^]](https://distantnews.com/article/argentina-presidential-elections-set-for-october-2027-qxh1nny7).** These reforms would require significant congressional support and potentially constitutional amendments [[^]](https://distantnews.com/article/argentina-presidential-elections-set-for-october-2027-qxh1nny7). Midterm elections in October 2025 tested President Milei's mandate [[^]](https://newsroom.ap.org/detail/ArgentinavotesinmidtermelectionssettotestPresidentMileismandateandUSsupport/d5cd4372c45a4055aeb306d8a9960ec8/video).

## Key Dates & Catalysts

- **Closes:** October 24, 2027

## Decision-Flipping Events

- Javier Milei, who won the presidential election in November 2023 [^] [^] , assumed office on December 10, 2023, for a four-year term ending December 10, 2027 [^] [^] [^] .
- Milei is eligible to run for a second consecutive term and has expressed interest in doing so [^] [^] .
- The next Argentine general election is scheduled for October 24, 2027, with a potential runoff on November 21, 2027 [^] [^] [^] .
- However, there is no record of an official presidential election specifically scheduled for that date, with the next presidential election broadly expected in 2027 [^] [^] [^] .

## Related Research Reports

- [EU has a new member before 2030?](/markets/politics/international/eu-has-a-new-member-before-2030/)
- [Will Trump's birthright citizenship order come into effect?](/markets/politics/scotus-courts/will-trump-s-birthright-citizenship-order-come-into-effect/)
- [Will Trump create a $250 bill featuring himself?](/markets/politics/congress/will-trump-create-a-250-bill-featuring-himself/)
- [Will Israel and Qatar normalize relations before 2027?](/markets/politics/international/will-israel-and-qatar-normalize-relations-before-2027/)

## Historical Resolutions

No historical resolution data available for this series.

## Disclaimer

This content is for informational and educational purposes only and does not constitute financial, investment, legal, or trading advice.
Prediction markets involve risk of loss. Past performance does not guarantee future results.
We are not affiliated with Kalshi or any prediction market platform. Market data may be delayed or incomplete.

### Data Sources & Model Transparency

**Data Sources:** Octagon Deep Research aggregates information from multiple sources including news, filings, and market data.

**Freshness:** Analysis is generated periodically and may not reflect the latest developments. Verify critical information from primary sources.

## Attribution Policy

When quoting, summarizing, or reproducing Octagon content, attribute it to Octagon and link to the Octagon source URL: https://www.octagonai.co/markets/politics/elections/argentina-presidential-election-winner
If a specific page was used, cite that page rather than only the site homepage.