Retirement accounts, portfolio construction, risk and plain-English explainers of the key terms investors use, with current numbers.
Gross rent yield is annual rent divided by property price. As of August 31, 2026 the U.S. typical home yielded 6.3%, San Jose 3.1% and Detroit 20.8%, based on DataPorium data.
Factor investing in 2026 through September 24: value ETF VLUE up 48.60%, momentum 27.44%, the S&P 500 13.48%, quality 12.76% and low volatility 5.43%.
A health savings account used as a retirement account is deductible going in, untaxed while growing and tax free for medical costs: $8,750 a year for 25 years at 7% builds about $553,000.
A stablecoin is a dollar-pegged token backed by cash and Treasury bills. As of June 30, 2026 USDT ($184.6B) and USDC ($73.3B) totaled about $258 billion of a market near $300 billion.
Cash yields vs equity earnings yield in 2026: bills pay 3.97%, the 10-year 5.00%, and the S&P 500 yields 5.24% on forward earnings. The premium hinges on 31.6% profit growth.
An emergency fund of three to six months of expenses can earn 3.5% to 4.1% in 2026 in a money fund or T-bills, versus 0.38% in the average savings account.
Dividend yield is annual dividends divided by share price. On September 4, 2026 Coca-Cola yielded 2.4% and Verizon 5.6%, against a 10-year Treasury at 4.78%.
How long do stock market recoveries take? From 16 days in 2026 to 746 days in 2022 and eight years after 1929. The data sets the size of a retiree's cash reserve.
Target-date funds hold about 90% stocks for young savers, 50% at retirement and 30% seven years later, and cost 0.08% at Vanguard versus a 0.41% industry average.
Beta measures how much a stock moves relative to the market. Over the 11 months to August 28, 2026, Tesla's beta was 2.22, Nvidia's 1.92, Microsoft's 0.97 and Apple's 0.72.
Behavioral biases that cost investors money: fund investors gave up 1.2 points a year to timing, and 2026 sell-offs in stocks, Bitcoin and gold repeated the pattern.
I bonds vs TIPS in 2026: I bonds pay a 4.26% composite rate with a 0.90% fixed rate through October, while 5-year TIPS yield 2.06% and 10-year TIPS 2.34% above inflation.
The PMI is ISM's survey index of factory activity; above 50 means expansion. The July 2026 ISM Manufacturing PMI was 55.6%, the highest since May 2022, with Prices at 71.1.
Inflation hedges compared on 2026 data: oil is up 47%, gold only 3.1%, 10-year TIPS pay a 2.44% real yield and home prices trail a 3.4% CPI rate.
A CD ladder in 2026 only makes sense at rates near the FDIC's 5.65% cap for 12 months, not the 1.71% average, because Treasuries pay 4.00% to 4.54% from one to ten years.
A cap rate is net operating income divided by property price. With the 10-year Treasury at 4.70% in August 2026, a good residential cap rate is roughly 6% or more.
Stock-bond correlation was -0.36 in 2016 to 2021, turned positive in 2022 and stands at +0.42 in 2026 through August 7. Bonds still pay 4.65% but hedge less.
High-yield savings vs money market funds vs T-bills in August 2026: the average bank savings rate is 0.38%, money funds pay about 3.47% and 3-month T-bills 3.83%.
Earnings per share is net income divided by shares. Microsoft earned $4.81 per diluted share in the quarter ended June 30, 2026, up 32%, and $17.95 for fiscal 2026.
Sequence-of-returns risk explained with real data: the same 15 annual returns in a different order left a 2000 retiree with $996,000 versus $1.36 million.
When to claim Social Security is a break-even problem: claiming at 62 pays 70% of the full benefit, 70 pays 124%, and the crossover ages fall between 78 and 83.
Market capitalization is shares outstanding times price. As of July 24, 2026 Nvidia was worth about $4.99 trillion, and the S&P 500 weights stocks by float-adjusted market cap.
Dollar-cost averaging vs lump-sum investing: Vanguard found a lump sum wins 68% of the time, and a 2026 S&P 500 test ended with the lump sum ahead by about 2%.
The 4% rule holds up better in 2026 than in the low-rate years: 10-year Treasuries yield 4.50% and TIPS 2.37% real, but Vanguard expects only 4.2% to 6.2% from U.S. stocks.