Oklo Inc vs Vanguard S&P 500 ETF — how do they compare? Oklo Inc trades at $34.7 (market cap $6.43B), while Vanguard S&P 500 ETF trades at $715.59 (market cap $1.80T). The key difference: Vanguard S&P 500 ETF is far larger — about 279.9× Oklo Inc's market cap, and Vanguard S&P 500 ETF is trading nearer its 52-week high, Oklo Inc nearer its low. Which is the better fit depends on your goals — on Pluang, investors hold Oklo Inc for 32 Days and Vanguard S&P 500 ETF for 55 Days on average.
| OKLO | VOO | |
|---|---|---|
Market Cap | $6.43B | $1.80T |
Volume | 16,238,368 | 4,722,271 |
Sector | Utilities | Broad Market / Factor |
52-Week High | $174.14 | $716.17 |
52-Week Low | $34.57 | $580.93 |
Typical Hold Time | 32 Days | 55 Days |
Enterprise Value | $3.97B | — |
Signals from Pluang's Aura AI — not financial advice
OKLO trades at $34.70, down 5.76% in the last 24 hours, with a bearish technical signal from moving averages. The company reported no revenue in 2025 and a net loss of $105.66 million, with a negative net income margin of -12,625.54%. Recent news highlights competition in the nuclear sector and a $1 billion stock sale, while analyst consensus remains bullish with a $78.63 price target.
Outlook: High growth potential in the nuclear energy market, supported by a strong buy rating from analysts. Risks include significant cash burn, lack of revenue, and execution challenges in commercializing reactor technology. The stock's upside depends on successful project deployment and future revenue generation.
VOO trades at $715.59 with a slight 0.16% daily gain, showing technical bullish momentum with strong moving average support. The ETF maintains its position as a core S&P 500 holding with upcoming dividend distribution. Recent news highlights its role in long-term wealth building and recession resilience, though short interest increased 46.9% in September according to Defense World data.
VOO offers diversified exposure to large-cap US equities with low expense ratio advantages. The main investment case centers on long-term market participation, though investors face S&P 500 valuation concerns and potential earnings growth slowdown from 35% to 15% in 2027 as noted by 24/7 Wall Street. Dividend yield remains modest compared to income-focused alternatives.
Trailing returns across standard periods
What Pluang investors did over the last 30 days
Latest headlines on both assets
Oklo Inc. is a company focused on developing and commercializing advanced fission power plants. The company specializes in micro-reactor technology, specifically the Aurora design, which uses advanced fuel to produce reliable, clean, and cost-competitive power. Oklo aims to provide scalable, on-site power solutions to various customers, including remote communities, industrial facilities, and government entities, positioning itself as an innovator in the next generation of nuclear energy.
Read more on OKLO →VOO is a foundational ETF that tracks the S&P 500 Index, providing exposure to 500 of the largest and most established companies in the United States. Renowned for its ultra-low expense ratio and tax efficiency, it serves as a core building block for long-term investors seeking to capture the total return of the U.S. large-cap market in a single, highly liquid vehicle.
Read more on VOO →