Community Q&A
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What is the governance structure for stress testing?
Board approves framework; exec risk committee owns execution; CRO runs methodology; finance owns PPNR; treasury owns liquidity; model validation and internal audit challenge.
How does inventory risk affect market-maker quotes?
Inventory risk: MMs with non-zero positions shade quotes to offset, widening effective spreads...
How does adverse selection widen the bid-ask spread?
Adverse selection: MMs can't distinguish informed traders, so they widen spreads to cover expected losses...
How much do transaction costs actually drag on portfolio performance?
Transaction costs compound significantly: 15–150 bps annually depending on asset class and turnover, eroding compounded returns over decades.
How does the bid-ask spread absorb transaction costs?
The bid-ask spread is what market orders pay to trade immediately. Half-spread per cross, full spread round-trip; it compensates makers for processing, inventory, and adverse selection.
What's the difference between a credit rating outlook and a credit watch?
Rating Outlook is the agency's view on the likely direction of the rating over a 6-24 month horizon. Four states: Positive, Stable, Negative, Developing. CreditWatch is a short-term (usually 90 days) flag signaling that a rating change is imminent...
What are the key Greek features of lookback options?
Lookback options have rising delta toward the running extreme, larger vega than vanillas, and slower theta decay. Path-dependence creates hedging slippage.
Why do IO strips have inverse price behavior to most bonds?
An IO strip receives only interest. Fast prepayments destroy the balance and the IO's cash flow; rising rates slow prepays and boost the IO's value, giving it negative duration.
How do I simulate path-dependent exotics like Asian and lookback options?
Path-dependent options require simulating full price trajectories and computing payoff from path statistics...
Is DvegaDtime the same as veta and how is it computed?
DvegaDtime and veta refer to the same partial derivative of vega with respect to time; notation differs but the quantity is identical.
Who reports consigned inventory on the balance sheet?
Consigned inventory remains on the consignor's balance sheet until the consignee sells it to an end customer.
How does an equity total return swap work and why use one instead of buying the index?
An equity TRS delivers total return for a funding leg, offering leverage and operational simplicity versus direct ownership.
How does 'riding the yield curve' work and can it be combined with immunization?
Riding the yield curve captures price appreciation as a bond ages toward shorter, lower-yielding segments of an upward-sloping curve. Works when curve stays steep. Compatible with immunization via bond selection.
How do I bootstrap a swap curve from par swap rates?
Bootstrapping converts par swap quotes into zero-coupon discount factors sequentially, shortest to longest. A par swap has PV of zero at inception...
What's the income statement difference between trading and available-for-sale securities?
Trading securities flow unrealized gains through P&L each period. AFS gains sit in OCI until disposal, then recycle into P&L.
How do option books manage vega across the volatility surface?
Net vega can look flat while term-structure vega is dangerously exposed. Aurelia Szabo's desk splits vega into buckets by maturity...
How does a terms-of-trade shock affect a country's currency?
Favorable terms of trade shocks raise national income, lift non-tradable prices, and appreciate the real exchange rate. Commodity exporters show this strongly.
What is a Type 2 non-adjusting subsequent event?
Type 2 events (post-year-end conditions) require disclosure but no adjustment. Summit Peak's February 2026 earthquake at Osaka plant disclosed with $68M estimate.
What is the corporate capital allocation process and how do firms prioritize projects?
Corporate capital allocation: maintenance, growth, M&A, R&D, dividends, buybacks. Prestwick Manufacturing allocates $340M FY26 with 10.4% hurdle, automation at 22% IRR prioritized...
How does the Hausman test choose between fixed and random effects in panel data?
Fixed effects and random effects both estimate panel data models, but they rest on different assumptions. The Hausman test formalizes the trade-off.
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