Community Q&A
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CFA Level I Updated
What's the difference between trailing and forward P/E, and when is each more appropriate?
The price-to-earnings (P/E) ratio is the most widely used relative valuation metric. Trailing P/E uses actual last-12-months EPS while forward P/E uses consensus forecast EPS. The choice depends on earnings stability, analyst coverage quality, and whether the company is experiencing an earnings inflection.
What is a LIFO liquidation, and why does it artificially inflate income?
A LIFO liquidation occurs when a company using LIFO sells more units than it purchases, dipping into older, lower-cost inventory layers. The resulting decrease in COGS artificially inflates gross profit by the difference between old-layer costs and current replacement costs.
What are the components of GDP under the expenditure approach and how do net exports work?
The expenditure approach is the most commonly tested GDP calculation method on the CFA Level I exam. GDP = C + I + G + (X - M), where C is consumption, I is gross private domestic investment (not financial investment), G is government spending on goods and services (excluding transfer payments), and X - M is net exports.
What's the difference between aggressive, conservative, and moderate working capital policies, and how do they affect profitability vs. risk?
Working capital policies range from conservative (high current assets, long-term financing, low risk) to aggressive (minimal current assets, heavy short-term financing, higher returns but greater liquidity risk). The moderate approach matches asset and liability maturities.
What must I disclose under Standard VI(A) — Disclosure of Conflicts, and how granular do I need to be?
Standard VI(A) requires full and fair disclosure of all matters that could impair independence and objectivity. You must disclose ownership of recommended securities, compensation conflicts, firm-level relationships, and board memberships, though exact dollar amounts are not required.
How does the Central Limit Theorem apply to portfolio return estimation, and what sample size is 'large enough'?
The Central Limit Theorem states that the sampling distribution of the sample mean approaches a normal distribution as n increases, regardless of the population shape. The conventional CFA Level I threshold is n ≥ 30, and the standard error shrinks as SE = σ/√n.
How should I analyze a balance sheet for current vs non-current classifications and off-balance-sheet items?
Balance sheet analysis requires understanding current vs non-current classification (based on the one-year or operating cycle rule) and identifying off-balance-sheet items like operating leases, SPEs, contingent liabilities, and purchase commitments.
What does Regulation FD prohibit and how do firms stay compliant?
Regulation FD prohibits US public companies from selectively disclosing material non-public information to securities market professionals without simultaneously disclosing to the general public...
What is embedded finance, and how does banking-as-a-service enable non-financial companies to offer financial products?
Embedded finance integrates banking, lending, and insurance into non-financial platforms via APIs. A three-layer architecture — platform, BaaS middleware, and licensed bank — enables any company to offer branded financial products. This increases platform ARPU while disintermediating traditional branches.
What is the CFA Institute's ethical decision-making framework, and how do you apply it to resolve real-world dilemmas?
The CFA ethical decision-making framework has four steps: identify facts and stakeholders, consider situational biases, decide and act on the best alternative, and reflect on the outcome. It provides structure for resolving ambiguous dilemmas where multiple standards intersect.
How is an asset classified as held for sale measured, and what happens to depreciation once it's reclassified?
Assets held for sale are measured at the lower of carrying amount or fair value less costs to sell, with depreciation ceasing upon reclassification. Impairment losses are recognized immediately, and both IFRS and US GAAP allow subsequent reversals within specified ceilings.
What is a make-whole call provision, and why is it more bondholder-friendly than a traditional call?
A make-whole call compensates bondholders by paying the present value of all remaining cash flows discounted at the Treasury rate plus a small spread. This produces a very high call price, making it rarely economical for issuers to exercise.
What is the difference between ESG negative screening and ESG integration, and does either approach hurt returns?
Negative screening simply excludes certain sectors from the investable universe, while ESG integration systematically incorporates environmental, social, and governance factors into valuation models without necessarily excluding any sector.
What are gate provisions in hedge funds, and how do they protect remaining investors?
Gate provisions limit the percentage of a hedge fund's assets that can be redeemed each period, typically 10-25% per quarter. They protect remaining investors from fire-sale losses when redemption requests exceed the fund's ability to liquidate positions at fair value.
What are the Research Objectivity Standards and how do they protect analyst independence?
The Research Objectivity Standards protect analyst independence by requiring separation from investment banking, prohibiting compensation linked to banking deals, mandating disclosure of conflicts, and restricting personal trading in covered stocks.
How is Monte Carlo simulation used in retirement planning, and why is it better than a single projection?
Monte Carlo simulation captures the full range of possible retirement outcomes, including the risk of ruin that a single-point projection completely ignores. It runs thousands of random trials to show the probability distribution of ending wealth.
How do you calculate double-declining balance depreciation and when do you switch to straight-line?
Double-declining balance uses a rate of 2 divided by useful life applied to the beginning book value each year. You switch to straight-line when the SL depreciation on the remaining book value exceeds the DDB amount, ensuring the asset reaches salvage value by the end of its life.
What are flattening and steepening yield curve trades, and when would I use each?
Yield curve trades involve taking positions at different points on the maturity spectrum to profit from changes in the yield curve's shape. A flattener goes long the long end and short the short end; a steepener does the opposite.
What are the three forms of market efficiency and how is each tested?
The three forms of market efficiency differ by what information is reflected in prices. Weak form covers past price data (tested with serial correlation and runs tests), semi-strong form covers all public information (tested with event studies), and strong form covers all information including private (tested with insider trading studies).
How does an inventory write-down for obsolescence work, and can a company reverse it under IFRS vs. GAAP?
Both IFRS and US GAAP require inventory to be carried at the lower of cost and net realizable value. When NRV drops below cost, the company records a write-down. The key difference is that IFRS allows reversal of write-downs up to original cost, while US GAAP treats the write-down as permanent.
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