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How does the bid-ask spread approach to liquidity-adjusted VaR work?
LVaR = VaR + 0.5·P·(μ_s + k·σ_s). Adds bid-ask liquidity cost using spread mean and stdev at the VaR confidence level. Known as BDSS.
What are the main ABS types outside of mortgages and how do they differ structurally?
Non-mortgage ABS securitize auto, card, student, equipment, and esoteric receivables in bankruptcy-remote SPVs. Weak prepay options shift the analytical focus to credit loss curves.
How does the control variate technique work in Monte Carlo?
Control variates exploit a correlated auxiliary payoff Y with known analytical value E[Y]. Your control variate estimator has reduced variance...
What does SR 11-7 require for model validation governance?
SR 11-7 establishes three pillars: development/implementation/use, independent validation, and governance. Effective challenge requires authority, stature, and independence.
How do I price an interest rate cap and floor using the Black model?
Caps are portfolios of caplets (calls on rates), floors are portfolios of floorlets (puts). Each caplet valued with Black's model using forward rate, strike, vol, and discount factor.
What are the investment implications of perpetual vs limited-life foundations?
Perpetual foundations need real preservation forever; spend-down foundations glide toward zero, requiring declining risk and careful illiquid commitment pacing.
What are the key differences between foundations and endowments for CFA Level III?
Foundations are grant-making with 5% minimum payouts; endowments support institutional operations with smoothed spending rules. Both perpetual but differ in legal and liquidity profile.
How does K-means clustering work and when is it appropriate for financial data?
K-means partitions data into K clusters by iteratively minimizing within-cluster variance; scale features and use the elbow or silhouette for K.
How does the modified DuPont decomposition of ROE work?
The modified 5-step DuPont decomposes ROE into operating, financing, and tax components, giving much more diagnostic power than the classic 3-step.
What behavioral biases affect asset allocation and how do you deal with them?
Key behavioral biases in asset allocation include loss aversion (too conservative), recency bias (pro-cyclical tilts), home bias (insufficient international diversification), and decision-reversal risk (abandoning strategy during stress). Mitigation strategies include disciplined rebalancing policies, long-term framing, and pre-committed investment policy statements.
How do I estimate the equity risk premium for international markets?
International ERP adjusts mature-market ERP for country-specific risk. For Polaris in Chile: 5% US ERP + 2% Chilean CRP (from 145 bps spread × 1.38 volatility ratio) = 7% Chile ERP. Blend by revenue exposure...
Why add a momentum factor to Fama-French?
Carhart adds UMD because past winners keep winning over 3-12 months, which the three-factor model doesn't capture.
What qualitative criteria matter most in manager due diligence?
The 4 Ps framework: People (team), Philosophy (beliefs), Process (repeatability), Portfolio (actual holdings)...
What is the systematic manager search and selection process for institutional portfolios?
Four-stage process: universe → quantitative screen → qualitative DD → final selection with on-sites...
What are the main fixed-income hedge fund strategies?
Fixed-income hedge funds use arbitrage (on/off-the-run, swap spread, basis), global macro (curve, carry), credit strategies, mortgage/structured, and EM debt. High leverage; tail risks from liquidity and correlation.
How has the SOFR transition from LIBOR changed swap pricing?
The SOFR transition fundamentally reshaped swap mechanics. SOFR is secured and backward-looking, unlike the unsecured forward-looking LIBOR...
Is there a canonical sector rotation playbook tied to the economic cycle?
Early recovery favors cyclicals and financials. Mid expansion favors tech and industrials. Late expansion favors energy and materials. Recession favors defensives.
Why is smile risk a bigger deal for exotic options than vanillas?
Vanillas reference a single strike, so you only need one point on the smile. Exotic payoffs reference paths, barriers, or averages that depend on vols at MULTIPLE strikes over time...
Why can IFRS reverse inventory write-downs but US GAAP cannot?
US GAAP treats write-downs as new cost basis (permanent floor), while IFRS treats them as temporary valuation allowances reversible up to original cost. Zenith's $170 recovery hits current earnings under IFRS but defers to sale date under GAAP.
What is the resource curse and why do commodity-rich countries often grow slowly?
Resource curse links commodity abundance to slow growth through Dutch disease, volatility, rent-seeking, weak institutions, and conflict. Strong institutions can reverse it.
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