Most undervalued gold miners. With massive upside potential. Altn.l and jag.to

(ALTN.L)AltynGold operates primarily in Kazakhstan, focusing on the Sekisovskoye underground mine and the Teren-Sai exploration project. It's often viewed as an undiscovered gem due to its low visibility, but recent performance and projections highlight why it has among the highest upside in the sector:Undervaluation and Attractive Metrics: The stock trades at a forward P/E ratio around 8x, significantly below the industry average of 15x for UK-listed miners. It's also trading at less than 2x forward free cash flow (FCF), making it one of the cheapest gold producers on a cash-generation basis. Analysts project a 62%+ price upside in the next 3 months alone, with some targets implying 50–100% gains from current levels, driven by its leverage to gold prices. Altyn Robust Production Growth and Efficiency Gains: In H1 2025, gold production surged 44% year-over-year, leading to a 125% increase in EBITDA to $44 million. The company is targeting 60% overall production growth in 2026, supported by mine expansions and improved recovery rates. EBIT margins have expanded from 33% to 50%, with revenue growth accelerating due to higher output and gold prices. Low all-in sustaining costs (AISC) provide a buffer against volatility and enable high FCF generation. Exploration and Long-Term Upside: The Teren-Sai project offers substantial resource expansion potential, with ongoing drilling that could extend mine life beyond 15+ years. Combined with debt reduction plans (reducing financial risk), this creates a multi-year growth story. In a bull gold market, these assets could re-rate the stock significantly higher. Jaguar Mining Inc. (JAG.TO / JAGGF)Jaguar Mining operates three gold mining complexes in Brazil's Iron Quadrangle, with a large land package offering exploration potential. It's frequently cited as one of the most undervalued producers, with plans to triple output, making it a top pick for upside in the gold space:Deep Undervaluation Relative to Peers: Jaguar trades at a steep discount to comparable miners, often at 4–5x EBITDA versus the sector's 8–10x. This gap stems from its mid-tier status and Brazil exposure, but improving metrics (like declining costs and rising EBITDA) could trigger a re-rating. Analysts see it as a high-conviction buy with potential for 100%+ gains as production ramps up. Ambitious Production Expansion: The company aims to triple gold production over five years through optimizations at existing mines (Turmalina, Pilar, and Roça Grande) and new developments. Recent guidance shows steady output growth, with EBITDA expanding due to higher volumes and gold prices. A new CEO with mine development expertise is accelerating this, potentially lowering AISC further. Exploration-Driven Resource Upside: A five-year exploration plan targets 4–7 million ounces of total gold endowment across projects. Key areas like Chamé (325,000–520,000 oz potential) and others (134,000–400,000 oz) involve extensive drilling starting in 2025, which could add decades to mine life and support sustained growth. This untapped potential is a major differentiator from more mature peers. These Two Specifically Have the "Most" Upside Among Gold Miners Compared to larger peers like Newmont or Barrick, AltynGold and Jaguar are smaller (mid-tier), which means they offer higher beta—greater sensitivity to gold price moves—for potentially bigger returns. They're not as "priced in" as majors, avoiding the dilution risks from massive capex. In lists of high-potential miners, they often rank highly due to their 50–100%+ implied upsides from analysts, versus 15–30% for blue-chips.