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How are asset retirement obligations recorded, and what happens to the balance sheet over time?
An asset retirement obligation is recorded at inception as a liability equal to the present value of expected future cleanup costs, with a corresponding increase in the long-lived asset's carrying value. Each year, accretion expense increases the liability and the added asset cost is depreciated.
Can someone explain put-call parity with a real arbitrage example? I don't get why it must hold.
Put-call parity is one of the most elegant relationships in finance, and once you see the arbitrage logic, it clicks permanently. The formula c + PV(X) = p + S means that a portfolio of a call plus a risk-free bond must equal a portfolio of a put plus the underlying stock, because both produce identical payoffs in every scenario.
How do DLOC and DLOM work in private company valuation, and can you apply both discounts simultaneously?
DLOC (Discount for Lack of Control) applies to minority interests that lack decision-making power, while DLOM (Discount for Lack of Marketability) applies because private shares cannot be easily sold. They can be stacked multiplicatively, but the starting basis of your valuation determines which discounts are needed.
How do you calculate goodwill in a business combination under full and partial goodwill methods?
Full goodwill measures NCI at fair value and attributes goodwill to both parent and minority shareholders. Partial goodwill measures NCI at its proportionate share of net assets, so only the parent's premium is recognized as goodwill. The difference between the two equals the NCI's implied share of goodwill.
When exactly does a company recognize revenue under the IFRS 15 five-step model?
Revenue recognition under IFRS 15 follows a five-step model that replaced the older 'risks and rewards' framework. The key concept is 'transfer of control' which determines whether revenue is recognized over time or at a point in time.
What is the Residual Risk Add-On (RRAO) under FRTB and which instruments trigger it?
The RRAO is a safety net for exotic risks not captured by the SbM or DRC. It applies at 1.0% of notional for instruments with exotic underlyings (weather, longevity) and 0.1% for complex payoff structures (barriers, digitals, correlation trading).
How does exponential smoothing work for forecasting and how is it different from a moving average?
Exponential smoothing assigns exponentially declining weights to past observations, giving the most importance to recent data. Unlike a simple moving average which weights all observations equally, the smoothing parameter alpha controls how quickly old data fades out.
What is the output floor under Basel III finalization, and how does the phase-in schedule work?
The output floor ensures that banks using internal models cannot produce capital requirements less than 72.5% of what the standardized approach would require. It phases in gradually from 50% to 72.5% over several years.
How do you calculate the duration of a portfolio containing multiple bonds?
Portfolio duration is a weighted average of individual bond durations, where the weights must be based on market values, not face values or par amounts. This is a common exam trap.
What is correlation risk, and how does wrong-way risk amplify losses during market stress?
Correlation risk arises when dependency structures change unexpectedly, often spiking during crises. Wrong-way risk amplifies this by increasing exposure precisely when counterparty credit deteriorates, creating maximum loss at maximum default probability.
How do you assess sovereign credit risk, and what makes it different from corporate credit risk?
Sovereign credit risk assessment combines quantitative fiscal/economic metrics with qualitative political and governance factors. Unlike corporates, sovereign default involves willingness-to-pay considerations and lacks a bankruptcy framework for enforcement.
What is stationarity, why does it matter for risk models, and how do you test for it?
Stationarity requires constant mean, variance, and autocovariance structure over time. Non-stationary data produces spurious regressions and invalid test statistics. The ADF test checks for unit roots using special critical values.
How does the repo market work, and why are haircuts so important for managing counterparty risk?
A repurchase agreement (repo) is economically a short-term collateralized loan structured as a sale-and-repurchase. Haircuts protect the cash lender by requiring the borrower to post collateral worth more than the loan amount.
How does the clearing and settlement process work for exchange-traded vs OTC derivatives?
Clearing and settlement are the post-trade processes ensuring both counterparties fulfill their obligations. Exchange-traded derivatives use central counterparties with novation and daily margining, while OTC derivatives have transitioned from bilateral to central clearing for standardized contracts post-2008.
How do banks classify operational loss events for reporting?
Basel II/III defines seven operational risk event type categories, each with a precise scope and a set of Level-2 sub-categories...
How do catastrophe bonds work as insurance-linked securities?
Cat bonds transfer catastrophe risk via SPVs where investor principal collateralizes payouts on indemnity, industry loss, or parametric triggers.
What is the ASRF model and why is it the backbone of Basel IRB capital?
ASRF model assumes infinite granularity and single systematic factor. Conditional PD = Φ((Φ⁻¹(PD) + √R·Φ⁻¹(0.999))/√(1-R)). Portfolio invariance lets banks add capital per loan...
What are the red flags for earnings management and how do analysts detect manipulation?
Earnings management detection involves comparing revenue/expense trends with cash flow patterns, analyzing accruals quality, reviewing footnote disclosures, and applying quantitative models like the Beneish M-Score. Key red flags include diverging receivables and revenue, declining provisions, and CFO trending below net income.
How do I analyze accounts receivable using aging schedules, allowance methods, and DSO?
Accounts receivable analysis uses aging schedules to estimate bad debts, the allowance method to record provisions, and DSO to measure collection efficiency. Key red flags include rising DSO, declining allowance ratios, and receivables growing faster than revenue.
What is factor investing and how is it implemented in equity portfolios?
Factor investing systematically targets documented risk/return drivers like value, size, momentum, quality, and low volatility. It sits between pure indexing and fundamental active management, offering a transparent, rules-based way to capture specific return premiums.
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