iShares MBS ETF vs Oklo Inc — how do they compare? iShares MBS ETF trades at $89.79 (market cap $35.41B), while Oklo Inc trades at $34.7 (market cap $6.43B). The key difference: iShares MBS ETF is far larger — about 5.5× Oklo Inc's market cap, and Oklo Inc is more actively traded (16,238,368 versus 5,388,525). Which is the better fit depends on your goals — on Pluang, investors hold iShares MBS ETF for 96 Days and Oklo Inc for 32 Days on average.
| MBB | OKLO | |
|---|---|---|
Market Cap | $35.41B | $6.43B |
Volume | 5,388,525 | 16,238,368 |
Sector | Fixed Income | Utilities |
52-Week High | $96.91 | $174.14 |
52-Week Low | $89.09 | $34.57 |
Typical Hold Time | 96 Days | 32 Days |
Enterprise Value | — | $3.97B |
Signals from Pluang's Aura AI — not financial advice
MBB, the iShares MBS ETF, trades at $89.73, up 0.57% on the day, but technical indicators signal a bearish trend with moving averages and ADX pointing lower. The ETF recently hit a 52-week low amid rising short interest, which surged 98.3% in September 2026 (Defense World, 2026-09-29). Despite this, institutional investors like Corient Private Wealth and Baird Financial have increased their stakes, and Norway's sovereign wealth fund is rotating into mortgage-backed securities (ETF Trends, 2026-09-04).
The outlook for MBB is cautious due to interest rate sensitivity and convexity risks from its 5.68-year duration, with Seeking Alpha highlighting downside potential if the Fed hikes rates (2026-09-19). However, its high-quality MBS portfolio offers income appeal, with recent dividends paid. Risks include persistent inflation and prepayment volatility, but institutional accumulation suggests long-term confidence.
OKLO trades at $34.57, down 6.11% with bearish technical signals despite strong analyst support. The company shows no revenue in 2025 with significant losses (-$105.66M net income) and negative margins, though cash flow from financing provides runway. Recent news highlights nuclear sector volatility and OKLO's $1 billion stock sale raising dilution concerns.
Outlook hinges on project execution amid high risk-reward dynamics. Analyst consensus is bullish (71% Buy) with a $78.63 price target, but profitability challenges and cash burn pose substantial risks. Success depends on commercializing its nuclear reactor pipeline to capitalize on the growing AI power demand.
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The fund will invest at least 80% of its assets in the component securities of the underlying index and TBAs that have economic characteristics that are substantially identical to the economic characteristics of the component securities of the index, and the fund will invest at least 90% of its assets in fixed income securities included in the underlying index that advisor believes will help the fund track the index.
Read more on MBB →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 →