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General Market Commentary
Discovery Mining vs. Aya Gold & Silver: Which Up-and-Coming Producer Has More Upside?
We told AI to analyze two growing gold/silver production companies: Discovery Mining (TSX: DSV)(OTC: DSVSF) and Aya Gold & Silver (NASDAQ: AYA)(TSX: AYA).
We instructed the AI to act as a mining equity analyst, economic geologist, and mining engineer, and then evaluate the company based on:
- Valuation: market cap, EV, cash/debt, EV/resource, EV/NAV, implied project value.
- Share structure: basic/FD shares, warrants/options, overhang, financing risk, insider/institutional ownership.
- Project quality: jurisdiction, geology, resource size/grade, metallurgy, strip ratio/mining method, infrastructure, permitting.
- Economics: NPV, IRR, capex, opex/AISC, payback, sensitivity to commodity prices, dilution-to-build risk.
- Commodity exposure: copper/gold/silver/lithium/etc., macro setup, price sensitivity, strategic relevance.
- Management/board: track record, technical depth, capital markets ability, mine-building credibility.
- Development path: permits, land/community, funding options, construction complexity, timeline.
- Upside scenarios: base case, rerate case, takeover case, commodity bull case, exploration/resource-growth case.
- Risks: technical, financial, political, permitting, dilution, execution, and market-cycle risk.
We gave it the companies' presentations, stock charts, most recent financials and MD&As, and the technical reports for the projects. Then asked it to decide which one it would buy as a quality junior mining speculation, and why, including upside scenarios. Here is what it came up with...
Using current quoted values and the files you provided, my call is:
I would buy Aya Gold & Silver over Discovery Mining at today’s prices.
Discovery is the bigger, more institutional, more diversified company. But Aya gives you the cleaner silver leverage, the cleaner operating story, and — in my view — the better risk-adjusted upside if silver and gold stay strong.
The caveat: Discovery is no longer just a development-stage silver story. It is now a Canadian gold producer with Porcupine, a major silver development project at Cordero, and the newly acquired Kidd assets. Aya is a Morocco-focused silver producer with a major polymetallic growth project at Boumadine. So this is not perfectly apples-to-apples anymore.
Head-to-head
| Metric | Discovery Mining / Discovery Silver | Aya Gold & Silver | Edge |
|---|---|---|---|
| Ticker | TSX: DSV | TSX/Nasdaq: AYA | — |
| Current market cap | ~C$6.6B | ~C$4.0B | Aya cheaper absolute |
| Approx. EV | ~C$6.1B | ~C$3.9B | Aya |
| Basic shares | ~813.9M current; 810.8M at Mar. 31, 2026 | 143.0M at Mar. 31; 143.35M by May 13 | Aya cleaner |
| Cash | US$384.9M at Mar. 31 | US$171.7M at Mar. 31 | Discovery |
| Debt | Minimal conventional debt, but major deferred revenue/reclamation liabilities | US$98.2M long-term debt, including current portion | Aya cleaner liability profile |
| Q1 2026 revenue | US$285.0M | US$117.3M | Discovery |
| Q1 2026 net income | US$81.7M | US$48.5M | Discovery absolute; Aya relative |
| Q1 2026 operating cash flow | US$43.0M after tax payment; US$129.8M before tax payment | US$70.2M | Depends on tax normalization |
| 2026 production guidance | 260–300 koz gold | 6.2–6.8 Moz AgEq | Commodity preference |
| Q1 unit costs | AISC US$2,041/oz gold sold | Cash cost US$18.40/AgEq oz sold | Aya |
| Main producing asset | Porcupine Complex, Ontario | Zgounder Silver Mine, Morocco | Depends |
| Main development asset | Cordero Silver, Mexico | Boumadine, Morocco | Aya for IRR; Discovery for scale/reserve confidence |
| Cordero / Boumadine study | Cordero FS: US$1.177B after-tax NPV5, 22% IRR | Boumadine PEA: US$1.5B after-tax NPV5, 47% IRR | Aya |
| Development capex | Cordero: US$606M initial + US$309M expansion | Boumadine: US$446M initial | Aya |
| Long-term growth target | >500 koz/yr gold + 14 Moz/yr silver | Zgounder ~6 Moz/yr silver + Boumadine 30.6 Moz AgEq/yr LOM | Aya for silver torque; Discovery for company scale |
| Jurisdiction | Canada + Mexico + Kidd critical minerals | Morocco only | Discovery diversification |
| Management | Tony Makuch / ex-Kirkland Lake pedigree | Benoit La Salle / Morocco execution + Zgounder buildout | Tie |
| Best investor fit | Larger-cap gold/silver growth platform | High-margin silver growth/precious-metals torque | Depends |
Discovery completed the Porcupine acquisition in April 2025, transforming itself from mainly a Cordero silver developer into a Canadian gold producer anchored in Timmins. Aya, by contrast, is a Morocco-focused precious metals company with Zgounder as its flagship silver mine and Boumadine as its 85%-owned polymetallic development asset.
Discovery: bigger, stronger, more complicated
Discovery’s Q1 was impressive on the surface: US$285 million of revenue, US$177.9 million of EBITDA, US$81.7 million of net earnings, and US$634.9 million of liquidity, including US$384.9 million of cash and an undrawn US$250 million revolver. The company produced 60,269 ounces of gold in Q1 and guided for 260,000–300,000 ounces of gold in 2026.
The growth pitch is powerful: Discovery is targeting a future profile of more than 500,000 ounces of gold per year plus 14 million ounces of silver per year from Cordero. The Kidd acquisition also matters because it adds infrastructure, land, tailings and processing optionality in Timmins, plus exposure to copper, zinc and other critical minerals. Discovery announced that it completed the Kidd acquisition in June 2026.
The issue is valuation and complexity.
At a recent market cap of roughly C$6.6 billion, Discovery is already being valued like a successful mid-tier growth company, not like a cheap development story. The company has a real asset base, but it also carries meaningful embedded obligations: its Q1 balance sheet included US$451.9 million of non-current reclamation liabilities and US$275.0 million of non-current deferred revenue, in addition to other liabilities.
Cordero is excellent. The feasibility study shows 230.2 million ounces of payable silver, 550.4 million payable silver-equivalent ounces, US$606 million initial capex, US$309 million expansion capex, US$13.47/oz AgEq AISC, and US$1.177 billion after-tax NPV5 with a 22% IRR at only US$22 silver. It also has a massive reserve: 327 Mt containing 302 Moz silver, 0.84 Moz gold, 2.96 Blb lead, and 5.18 Blb zinc.
But Cordero is still a major build, and the company is already saying the 2024 FS capex/cost assumptions are being updated, with “some increase anticipated.” That matters. The 2024 study used US$22 silver. Higher silver helps the NPV, but inflation and power/scope changes can eat into the headline upside.
Porcupine is also valuable, but it is not simple. The PEA shows 4.919 Moz payable gold, US$1,504/oz AISC, US$1.239 billion after-tax NPV5, and US$1.823 billion cumulative after-tax cash flow at US$2,150 gold. But because it is an operating complex rather than a greenfield build, the PEA says there is no meaningful IRR or payback period.
My read: Discovery is a legitimate emerging mid-tier. Tony Makuch gives it credibility; his résumé includes more than 35 years of mining experience and prior CEO roles at Kirkland Lake Gold and Lake Shore Gold. But DSV now has to integrate Porcupine, close and integrate Kidd, optimize Timmins, update Cordero, fund a major silver build, manage reclamation/royalty/deferred revenue obligations, and prove the >500 koz gold target. That is a lot of moving parts.
Aya: cleaner silver leverage with a monster second act
Aya’s story is simpler.
Zgounder is a rare primary silver mine. The company says it has 73 Moz of proven and probable silver reserves, achieved commercial production after the expansion in late 2024, completed ramp-up in 2025, and now has a mine plan extending to 2036 with average production of roughly 6 Moz silver per year.
Q1 was strong. Aya produced 1.493 Moz AgEq, including 1.265 Moz silver from Zgounder and 227,802 AgEq ounces from Boumadine pyrite stockpile material. Revenue was US$117.3 million, net income was US$48.5 million, and cash flow from operations was US$70.2 million.
The balance sheet is solid: US$171.7 million cash, US$98.2 million debt, US$658.4 million total assets, and US$468.7 million total equity at March 31. Aya had 142.99 million shares outstanding at quarter-end and 9.12 million options outstanding. At a recent market cap of about C$4.0 billion, it is not “cheap” in the old junior sense, but it is cheaper than Discovery and has a cleaner route to precious-metals torque.
The near-term 2026 guidance is 6.2–6.8 Moz AgEq, including 5.2–5.8 Moz from Zgounder and 1.0 Moz AgEq from Boumadine, with US$36 million of sustaining/growth capital and a major US$60 million exploration budget. Aya is targeting roughly 30,000 metres of drilling at Zgounder and 200,000 metres at Boumadine in 2026.
The big swing factor is Boumadine.
Boumadine already has an indicated resource of 5.169 Mt grading 90.8 g/t Ag, 2.78 g/t Au, 2.80% Zn, and 0.85% Pb, plus a much larger inferred resource of 29.196 Mt grading 81.8 g/t Ag, 2.63 g/t Au, 2.11% Zn, and 0.82% Pb. That is not a marginal low-grade polymetallic deposit. It is high-grade, precious-metals-rich, and scalable.
The PEA is excellent: US$446 million initial capex, US$340 million sustaining capex, US$1.5 billion after-tax NPV5, 47% after-tax IRR, 2.1-year payback, and US$2.8 billion cumulative after-tax unlevered free cash flow, though the report properly cautions that the PEA is preliminary and includes inferred resources. The production profile is also big: 401 koz AuEq per year / 37.5 Moz AgEq per year in years 1–5, and 328 koz AuEq / 30.6 Moz AgEq per year over the mine life, with LOM AISC of US$1,021/oz AuEq or US$10.9/oz AgEq.
That is the kind of second asset that can change a company’s valuation category.
The real comparison
Discovery has more scale today. Aya has the cleaner margin expansion story.
Discovery generated more Q1 revenue and earnings. It has a massive liquidity position. It has Porcupine cash flow, Kidd infrastructure, Cordero optionality, and a credible plan to become a much larger producer.
But the market is already paying for a lot of that. At ~C$6.6 billion market cap, Discovery’s valuation assumes that Porcupine improves, Kidd adds value, Cordero remains buildable, and the company successfully executes a complicated multi-asset growth plan. If all of that works, the stock can keep going. But the easy rerate has likely already happened.
Aya’s valuation is also full, but the path is cleaner: Zgounder is now producing; cash flow is real; the balance sheet is good; and Boumadine is not yet fully reflected, in my view. The upside case at Boumadine is dramatic. At the PEA base case of US$2,800 gold / US$30 silver, Boumadine shows US$1.475 billion after-tax NPV5 and 47% IRR. At the upside case of US$4,000 gold / US$48 silver, the NPV rises to US$2.963 billion and IRR to 77%.
That is the difference.
Discovery’s upside requires successful integration and capital allocation across several big workstreams. Aya’s upside mainly requires Zgounder to keep running, Boumadine to convert enough inferred material, and silver/gold prices to stay constructive.
Risk comparison
Discovery risks: integration risk is the biggest one. Porcupine was bought from Newmont; Kidd was bought from Glencore; Cordero is in Mexico; and the company is trying to turn all of that into a coherent mid-tier platform. The assets are real, but the execution load is heavy. Costs are also not yet where they need to be: Q1 AISC was US$2,041/oz, and while the company says costs should improve in H2, the current cost base is not low.
Aya risks: jurisdiction concentration is the big one. Everything important is in Morocco. Zgounder also had weather-related disruptions in Q1, which affected recovery and throughput. Boumadine is still PEA-stage, and the technical report explicitly reminds readers that it includes inferred resources and there is no certainty the PEA will be realized. There was also an insider secondary sale in January 2026, though the company said insiders retained approximately 7.7 million securities afterward.
I do not view any of those as fatal. But they matter.
Upside scenarios
For Discovery, the upside case is a successful transformation into a 500,000+ ounce gold producer with a long-life silver kicker from Cordero. If Porcupine costs fall, Kidd infrastructure unlocks a lower-cost Timmins expansion, and Cordero’s updated numbers remain attractive at higher silver prices, Discovery can become a C$8–C$10 billion company. That implies meaningful upside from here, but not a multi-bagger without either a major gold/silver rerating or flawless execution.
For Aya, the upside case is more explosive. Zgounder can justify a large part of the current value as a high-margin, primary silver producer. Boumadine is the torque. If Boumadine moves from PEA to feasibility without major damage to capex, recoveries, mine plan, or resource confidence, Aya could be valued as one of the world’s premier silver-growth companies. In a strong silver market, a C$6–C$8 billion valuation is plausible. In a true silver squeeze with Boumadine de-risked, higher is possible.
Bottom line
For lower-risk scale and institutional gold exposure: Discovery.
For cleaner silver exposure and better upside torque: Aya.
I would own Aya before Discovery here.
Discovery is a better company than it used to be, and I would not dismiss it. But at the current valuation, I think the market is already giving it credit for a lot of the Porcupine/Kidd/Cordero transformation.
Aya still has the better setup: primary silver production, strong margins, a cleaner balance sheet, a proven operating base at Zgounder, and Boumadine sitting there as a high-grade, high-IRR growth engine. If I’m putting new money into one of these today, I want the one with fewer moving parts and more direct leverage to a silver bull market.
That is Aya.