Sunrise Energy Metals Ltd (ASX: SRL) just delivered one of the wildest sessions on the ASX this year. The $3 billion S&P/ASX 200 Index (ASX: XJO) stock rocketed 13% on Tuesday to $20.48, capping a 165% gain year to date and a staggering 354% surge over 12 months.
For context, the ASX 200 Index itself is actually sitting 0.2% lower than it was a year ago. So while the broader market has gone nowhere, this ASX 200 stock has gone stratospheric. Can it possibly keep this pace up?

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What does Sunrise Energy actually do?
Sunrise Energy develops large-scale mining and mineral processing projects built around ion-exchange technology. This is a process used to extract valuable metals for the mining industry and to purify and recycle wastewater.
The real prize is the company's flagship Syerston Project in central-west NSW, home to one of the world's largest and highest-grade primary scandium and nickel-cobalt deposits.
Scandium is a critical mineral with genuine supply scarcity. Global demand is climbing fast, but there are barely any credible producers anywhere in the world. That scarcity is precisely why the market has gone berserk over this ASX 200 stock.
The August catalyst that changed everything
In August, Sunrise secured a conditional commitment for up to US$400 million (A$570 million) in 25-year debt financing for the Syerston Scandium Project. That's not pocket change for a company this size.
Proposed US government funding could substantially cut development and financing risk. Sunrise has also flagged plans to pursue a US stock listing to tap global capital markets, subject to shareholder and regulatory sign-off.
The project's capital estimate has been revised upward to A$450–475 million (US$315–333 million), reflecting an expanded scope and updated costs. However, a bigger project generally means a bigger payoff too.
The initial build targets 60 tonnes per annum of high-purity scandium oxide across an estimated 32-year mine life. Sunrise has also expanded its plans to include downstream refining capacity in the US, with future scope potentially tripling output down the track.
Early works and procurement are already underway, with first production targeted for late 2028.
A gravity check
Here's where investors need to keep their feet on the ground. The ASX 200 stock peaked at $22.40 on 11 September and have cooled slightly since then. It's likely just profit-taking after such an explosive run, rather than any change in the underlying story.
The bigger issue is coverage. Only one broker currently tracks Sunrise Energy, according to TradingView data. That single broker rates it a strong buy with a $20 price target, just below where the stock trades today.
Foolish takeaway
A 354% run in 12 months is the kind of move that demands scepticism, not blind faith. Sunrise has genuine scarcity value in scandium and a real funding pathway taking shape.
But with only one analyst willing to put a number on it, this remains a high-conviction, high-risk bet. Not a sure thing.