NuScale Power Rises 4%, Oklo Climbs 3% as Risk Appetite Returns, Uranium Energy Ticks Up

NuScale Power Rises 4%, Oklo Climbs 3% as Risk Appetite Returns, Uranium Energy Ticks Up

David Moadel

Thu, August 27, 2026 at 6:46 PM GMT+3 4 min read

Quick Read

• NuScale Power (SMR) and Oklo (OKLO) each jump 4% on risk-on sentiment, but both remain down 35% to 42% year to date.

• Uranium Energy (UEC) rises just 1% while the Global X Uranium ETF (URA) sits flat, confirming this is a positioning move, not a nuclear catalyst.

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Risk appetite is filtering back into speculative, long-duration equities Thursday morning, and the reactor developers are the tell. The SPDR S&P 500 ETF Trust (NYSEARCA:SPY) is up 0.5% to $769.63, a modest broad-tape move that's translating into outsized bounces in the highest-beta corners of the market.

NuScale Power (NYSE:SMR) stock is up 4% to $9.65, and Oklo (NYSE:OKLO) stock is climbing 3% to $42.76 alongside it, both names rebounding after weeks of pressure. NuScale Power stock was down 35% year to date through Wednesday's close, and Oklo stock was down 42% year to date through Wednesday's close. A single session doesn't repair either trend.

Meanwhile, the fuel complex isn't participating. Uranium Energy (NYSEAMERICAN:UEC) stock is up 1% to $13.28, and the Global X Uranium ETF (NYSEARCA:URA) is practically unchanged at $48.03. That split between the developer stocks and the fuel side is the whole story today.

Positioning, Not a Nuclear Catalyst

No company announcement, contract award, earnings release, regulatory action, or analyst rating change has been verified at either NuScale Power or Oklo today. The mechanism is a broader risk-on tape, helped by strong megacap tech earnings released Wednesday after the close, that's lifting long-duration names across the market.

Because NuScale Power and Oklo carry value that sits years out, both stocks tend to swing more than the tape when appetite shifts. That sensitivity cuts both ways, and investors saw it earlier in August when the same names sold off hard on softer sessions. A 4% Thursday session is a positioning tell rather than a change in trend.

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Reactor Developers Versus the Fuel Complex

NuScale Power and Oklo are pre-revenue reactor developers whose value sits years out, which is what makes them highly sensitive to shifts in risk appetite. Uranium Energy, by contrast, is a fuel producer with a very different business, priced off utility contract cycles and spot uranium. That's why a session of risk-on positioning can lift the developers while leaving the fuel complex flat.

A genuine nuclear sector catalyst would move the fuel complex alongside the developers. The absence of that co-movement is what identifies today's action as positioning, and the Global X Uranium ETF, the cleanest sector proxy, is confirming as much by sitting still.

The year-to-date scoreboard reinforces the point. Uranium Energy stock was up 12% year to date through Wednesday's close, while NuScale Power stock and Oklo stock remain sharply negative for the year. These names don't trade as a single basket, and their exposures shouldn't be sized as if they do (we mapped five ways to play the nuclear restart, utilities and fuel producers included, in a free nuclear guide).

What to Watch Next

Investors can watch for whether the session gains in NuScale Power and Oklo hold into the afternoon, since risk-on rebounds in speculative equities often fade when the broader benchmark drifts. Traders can stay tuned for any regulatory or contract disclosure at either developer that would give the move a fundamental anchor rather than a positioning one.

On sizing, investors should keep their positions modest in the developer names given the volatility profile and the deep year-to-date drawdowns still on the tape. Uranium Energy sits in a different bucket, and pairing the two only makes sense when investors understand their exposure spans two distinct bets on nuclear.

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