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  <title>Investments Playbook</title>
  <subtitle>The arithmetic behind every investment decision.</subtitle>
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  <updated>2026-08-26T03:05:00Z</updated>
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  <rights>Educational research. Not personal investment advice.</rights>
  <author><name>Soliman Hossam Eldin</name><uri>https://investmentsplaybook.com/about/</uri></author>
  <entry>
    <title>The curve and the keys</title>
    <link rel="alternate" type="text/html" href="https://investmentsplaybook.com/brief/2026-08-26-the-curve-and-the-keys/"/>
    <id>https://investmentsplaybook.com/brief/2026-08-26-the-curve-and-the-keys/</id>
    <published>2026-08-26T03:05:00Z</published>
    <updated>2026-08-26T03:05:00Z</updated>
    <author><name>Soliman Hossam Eldin</name></author>
    <summary type="text">A steep long end, gold near record ground, and a Dubai market where the hold period just got longer.</summary>
    <content type="html"><![CDATA[<p><em>A steep long end, gold near record ground, and a Dubai market where the hold period just got longer.</em></p>
<p><strong>Correction.</strong> An earlier version of this issue quoted the Treasury curve at 4.17, 4.64 and 5.17 percent for 25 August, and gold at 4,636.20. Those figures came from a feed the site has since replaced. Every figure below is now the one published on the market data page, sourced from FRED at the Federal Reserve Bank of St. Louis, whose latest curve observation is 24 August.</p>
<h2>1. The long end is doing the talking</h2>
<p><strong>What happened.</strong> On 24 August the US Treasury curve put the two year at 4.24 percent, the ten year at 4.70 and the thirty year at 5.23. The ten year and the thirty year each eased four basis points on the day while the two year did not move at all. The gap between the two year and the thirty year is 99 basis points, a basis point short of a full percentage point.</p>
<p><strong>What it means.</strong> A curve this steep at the long end is not the market pricing rate cuts. It is the market pricing term premium: the extra yield investors demand for lending across thirty years rather than two. That premium responds to supply, to inflation uncertainty, and to how confident lenders feel about the fiscal path, none of which a central bank controls directly. The composition is worth reading too. The ten year real yield is 2.38 percent and the ten year breakeven inflation rate is 2.32 percent, so of that 4.70 nominal, slightly more than half is compensation for real return and slightly less than half is compensation for expected inflation. It is worth separating the two stories, because they call for different responses. Short rates falling is a growth story. Long rates staying high is a risk story.</p>
<p><strong>What it means for your portfolio.</strong> If you hold long duration bonds because someone told you bonds are the safe part, this is the moment to check what duration you actually own. If you are pricing a property purchase, the thirty year yield is the anchor most mortgage pricing eventually follows, and 5.23 percent is not a number that argues for cheaper borrowing next year. The US thirty year mortgage rate in the week to 20 August was 6.65 percent, roughly 142 basis points above the thirty year Treasury, which is close to its normal spread rather than a distressed one. And if you are running a discounted cash flow on an off-plan payment plan, a 2.38 percent real yield is the floor your discount rate should start from.</p>
<p>Sources: <a href="https://fred.stlouisfed.org/series/DGS30">U.S. Treasury constant maturity series via FRED</a>, <a href="https://fred.stlouisfed.org/series/T10YIE">10 year breakeven inflation rate, FRED</a>, <a href="https://fred.stlouisfed.org/series/MORTGAGE30US">Freddie Mac 30 year fixed mortgage average via FRED</a></p>
<h2>2. Dubai is flat, and flat changes the arithmetic</h2>
<p><strong>What happened.</strong> Dubai residential prices were roughly unchanged year on year in June 2026, sitting around ten percent below their peak after several years of exceptional growth. The dirham remains pegged at 3.6725 to the dollar, so for a dollar based buyer the currency has done nothing either way.</p>
<p><strong>What it means.</strong> In a market rising fifteen percent a year, transaction costs are noise. In a flat one they are the entire story. The round trip cost of buying and selling in Dubai is roughly eight to ten percent once you count the four percent transfer fee, both agency commissions with VAT, and the trustee and NOC charges. Spread over two years that is four to five percent a year, which consumes an entire net rental yield and then some. Spread over seven years it is under one and a half percent. Nothing about any individual property has changed. The denominator has.</p>
<p><strong>What it means for your portfolio.</strong> This is the minimum hold period question, and it is worth answering honestly rather than optimistically. If your plan required an exit inside three years, a flat market has quietly turned that plan into a five year one. Check what your own net yield is, not the gross yield in the listing, because in a flat market the income is doing all the work. And if you are being shown a resale as a quick flip, ask what price it needs to reach simply to cover the round trip.</p>
<p>Sources: <a href="https://www.consultycs.com/is-the-dubai-property-market-about-to-crash-the-2026-data/">Dubai property market, the 2026 data</a>, <a href="https://dubailand.gov.ae/en/">Dubai Land Department, fees and charges</a></p>
<h2>3. Gold at 4,628 and the link that stopped working</h2>
<p><strong>What happened.</strong> Gold traded at 4,627.70 dollars an ounce on the afternoon of 26 August, with silver at 68.86. That is with the US ten year real yield at 2.38 percent, which on the textbook relationship should be an unfriendly environment for an asset that pays no income at all.</p>
<p><strong>What it means.</strong> The standard model says gold moves inversely to real interest rates, because the opportunity cost of holding a non-yielding asset rises when safe assets pay a positive return after inflation. That relationship held for most of the past two decades and it has been visibly weaker in this cycle. The most cited explanation is that the marginal buyer changed: central bank reserve accumulation is less sensitive to real yields than a Western investor allocating between gold and Treasury Inflation Protected Securities. When the buyer changes, the correlation you learned changes with it.</p>
<p><strong>What it means for your portfolio.</strong> The useful lesson is not about gold, it is about correlations generally. A relationship that has held for twenty years is a strong prior and not a law, and portfolios built on the assumption that two assets will keep behaving as they did are carrying a risk that does not show up in any volatility number. This is the four boxes question: name the economic environment each of your holdings needs, and count how many need the same one.</p>
<p>Sources: <a href="https://api.gold-api.com">gold-api.com, spot reference price</a>, <a href="https://fred.stlouisfed.org/series/DFII10">10 year Treasury inflation indexed yield, FRED</a></p>]]></content>
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