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CFA Updated
What ethical considerations arise from using AI and machine learning in investment management, and how should CFA charterholders address them?
AI in investment management raises ethical challenges around explainability, data bias, overfitting, and accountability. CFA Standards assign responsibility to the human professional, require disclosure of AI use to clients, and demand that practitioners understand the limitations of the tools they deploy.
What is pin risk at options expiration, and why does it create problems for market makers who are delta-hedging?
Pin risk occurs when a stock trades near a strike at expiration, causing option delta to oscillate between 0 and 1 with tiny price movements. Market makers face whipsaw hedging costs as gamma approaches infinity, making accurate delta-hedging impossible in the final trading hours.
What is spread duration contribution, and how does it help portfolio managers measure and manage credit risk across sectors?
Spread duration contribution (SDC) equals a position's weight times its spread duration, measuring each sector's contribution to total portfolio credit risk. Managers use it for risk budgeting, benchmark comparison, and stress testing across credit sectors.
How does a DRIP work mechanically, and what is the compounding effect on long-term wealth accumulation?
A DRIP automatically reinvests dividends into additional shares, creating compound growth as new shares generate their own dividends. Company-sponsored DRIPs often offer a 2-5% discount. Over long horizons, DRIP compounding significantly outperforms cash dividend collection.
How are transfers into and out of investment property accounted for under IAS 40, and what triggers a transfer?
Under IAS 40, property transfers are triggered by a change in use. When owner-occupied property transfers to investment property under the fair value model, the gain is treated like a revaluation (OCI), while inventory-to-IP transfers produce P&L gains.
How should portfolio managers approach emerging market currency risk, and when does EM currency exposure add value?
Emerging market currencies offer a carry premium and growth-linked appreciation potential but carry significant crash risk and negative skewness. Portfolio managers should take EM FX exposure when currencies are undervalued, carry is attractive, and the global environment is risk-on, while hedging during US tightening cycles or fiscal deterioration.
What is a credit spread option, and how is it used to hedge or speculate on credit risk?
A credit spread option pays off based on credit spread movements relative to a strike spread, using duration to convert spread changes into dollar payoffs. Unlike CDS which protects against default, CSOs hedge mark-to-market spread widening risk.
What are dim sum bonds and why do international issuers choose to issue in the offshore RMB market?
Dim sum bonds are RMB-denominated bonds issued in Hong Kong's offshore market. Non-Chinese issuers use them for cheaper RMB borrowing during appreciation expectations, diversified funding sources, natural currency hedging, and enhanced visibility in China.
What is thematic investing and how does it differ from traditional sector allocation?
Thematic investing targets long-term structural trends that span multiple sectors, unlike traditional sector allocation which focuses on a single GICS category. Unique risks include theme definition ambiguity, valuation inflation, timing mismatch, and benchmark challenges.
How is a variance swap replicated using options, and why is this replication significant for volatility trading?
A variance swap is replicated by a portfolio of OTM options across all strikes, weighted by 1/K-squared. This replication is the theoretical basis of the VIX index and is model-free, meaning it does not depend on any specific option pricing model.
How is the CDX credit index constructed, and how do investors use it for hedging and speculation?
The CDX index is a standardized, equally-weighted portfolio of 125 investment-grade (or 100 high-yield) single-name CDS contracts that rolls semi-annually. Investors use it for macro hedging of credit portfolios, basis trading, and expressing directional views on credit spreads.
What is a bond ladder strategy, and how does it help manage interest rate risk and reinvestment risk?
A bond ladder staggers maturities so bonds mature at regular intervals, with proceeds reinvested at the top of the ladder. It simultaneously manages interest rate risk and reinvestment risk by ensuring only a fraction of the portfolio is exposed to current rates at any time.
What is a squeeze-out merger and what protections do minority shareholders have?
A squeeze-out merger lets a controlling shareholder force minorities to sell their shares after reaching a threshold ownership level (typically 90%+). Minority shareholders are protected by appraisal rights that let them challenge the offered price in court.
Why does the momentum factor work, and is it truly an anomaly or just compensation for risk?
The momentum factor — stocks that have outperformed recently tend to continue outperforming — is one of the most robust empirical findings in finance. Explanations range from behavioral underreaction and herding to compensation for crash risk.
What are managed futures (CTA) strategies, and why are they considered good diversifiers?
Managed futures or CTA strategies are systematic trend-following approaches that trade across global futures markets. They diversify portfolios because they profit from sustained market trends, including downtrends during equity crises.
What are the CFA Institute Trade Management Guidelines, and how do they define best execution?
Best execution means obtaining the most favorable terms for clients considering price, speed, likelihood of execution, total cost, and confidentiality. The Trade Management Guidelines require firms to establish trading policies, disclose conflicts, and monitor execution quality through transaction cost analysis.
When is it optimal to exercise an American call option early, and why do dividends matter?
An American call on a non-dividend stock should never be exercised early because the holder would sacrifice time value and downside protection. For dividend-paying stocks, early exercise is optimal just before the ex-date when the dividend exceeds the remaining time value.
What are the core concepts of technical analysis I need to know for CFA Level I?
Technical analysis rests on three assumptions: prices reflect all information, prices move in trends, and history repeats. Key concepts for CFA Level I include support/resistance, chart patterns, moving averages, and common indicators like RSI and MACD.
How does the all-current method for foreign currency translation work with a comprehensive example?
The all-current method translates all assets and liabilities at the current exchange rate, common stock at historical rates, and income statement items at the average rate. The cumulative translation adjustment (CTA) is the plug figure in equity that absorbs the exchange rate effects, reported in accumulated other comprehensive income.
How do you calculate depreciation using the units-of-production method?
The units-of-production method calculates depreciation based on actual usage. You divide the depreciable base (cost minus salvage) by total estimated units of production to get a per-unit rate, then multiply by actual units produced each year. It is common in mining, oil and gas, and manufacturing where asset wear depends on usage rather than time.
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