iShares MBS ETF vs Opendoor Technologies Inc — how do they compare? iShares MBS ETF trades at $89.62 (market cap $35.41B), while Opendoor Technologies Inc trades at $2.22 (market cap $2.22B). The key difference: iShares MBS ETF is far larger — about 16× Opendoor Technologies Inc's market cap, and Opendoor Technologies Inc is more actively traded (28,705,892 versus 5,388,525). Which is the better fit depends on your goals — on Pluang, investors hold iShares MBS ETF for 96 Days and Opendoor Technologies Inc for 33 Days on average.
| MBB | OPEN | |
|---|---|---|
Market Cap | $35.41B | $2.22B |
Volume | 5,388,525 | 28,705,892 |
Sector | Fixed Income | Real Estate |
52-Week High | $96.91 | $9.37 |
52-Week Low | $89.09 | $2.27 |
Typical Hold Time | 96 Days | 33 Days |
Enterprise Value | — | $3.29B |
Signals from Pluang's Aura AI — not financial advice
MBB, the iShares MBS ETF, trades at $89.54, up 0.36% on the day but showing a bearish technical signal overall. The ETF has faced significant short interest growth of 98.3% in September 2026, reaching 6.57 million shares, and recently hit a 52-week low. Recent news highlights concerns over intermediate duration risk amid potential rate hikes, though institutional buying from firms like Corient Private Wealth and Baird Financial Group provides some support. Key technical indicators show oversold conditions on the 12-day RSI but strong selling pressure from moving averages.
The outlook for MBB remains cautious due to interest rate sensitivity and convexity risks in the mortgage-backed securities market. While dividend payments offer income, rising rates and inflation pressures pose downside risks. Analyst sentiment is neutral to bearish, with the ETF's performance heavily tied to Federal Reserve policy. Investors should weigh the high yield against duration risk in a tightening cycle.
Opendoor Technologies (OPEN) trades at $2.215, down 2.42% on the day, reflecting ongoing challenges in the iBuying sector. The stock shows bearish technical signals with negative moving averages and oscillators, while fundamentals reveal significant losses with a -46.74% net income margin and -$1.3B net loss in 2025. Recent news highlights mortgage expansion efforts and housing market sensitivity to interest rate fluctuations, with the company aiming for adjusted net income breakeven at a $9B revenue run rate.
Despite trading near analyst consensus price target of $4.92 (122% upside), OPEN faces substantial execution risks amid persistent losses and high debt levels. The bullish case relies on successful mortgage expansion and housing market recovery, but current financial metrics and technical indicators suggest continued volatility. Investors should weigh the significant discount to analyst targets against the company's challenging path to profitability.
Trailing returns across standard periods
What Pluang investors did over the last 30 days
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 →Opendoor Technologies Inc is a digital platform for residential real estate. This platform enables customers to buy and sell houses online. It generates revenue through home sales, along with other revenue from real estate services.
Read more on OPEN →