Risk — Pomegra Wiki

AML and KYC Regulatory Requirements for Banks AML and KYC are mandatory regulatory frameworks requiring banks to identify customers and report suspicious activity. Learn core compliance obligations.

Annualizing Volatility Using the Square Root of Time Rule Learn how to annualize volatility using the square root of time scaling, when it works, and where it breaks down—autocorrelation, fat tails, and regime shifts.

Bail-In Tool The regulatory power to write down or convert creditor claims to equity, allowing a failing bank to recapitalise without public money.

Bank Stress Testing: Regulatory Requirements Explained Regulators require banks to demonstrate capital resilience through stress tests. Learn how scenarios are designed, what triggers mandatory disclosure, and consequences of failure.

Basel Capital Basel capital refers to the Basel Accords — international agreements on bank capital standards, most recently Basel III, which set minimum capital ratios and risk-weighting frameworks for global banks.

Basis Risk Explained Basis risk is the residual exposure that remains when a hedge uses a related but imperfect substitute, leaving the spread between asset and hedge free to move.

Basis Risk Explained with an Example Basis risk is the mismatch between a hedging instrument and the exposure being hedged, illustrated through jet-fuel hedging for airlines.

Basis Risk in Hedging Why hedges fail to fully offset a position when the hedging instrument's price does not move in lockstep with the underlying exposure.

Basis Risk in Hedging Basis risk is the residual exposure when a hedge instrument does not move in lockstep with the underlying asset, leaving the hedger vulnerable to unfavorable price divergences.

Basis Trade Hedging Risk A basis trade—long a cash bond and short futures—hedges spread risk but exposes traders to repo-rate, margin-call, and funding stress during market crises.

Behavioral Risk Market losses driven by predictable cognitive biases and herd behaviour among investors and traders.

Beta as a Measure of Systematic Risk Beta measures systematic risk by quantifying how much a stock or portfolio moves relative to the overall market. A beta above 1 indicates above-market volatility.

Black Swan A black swan is an unpredictable, extreme event with massive consequences — something that was believed impossible until it happened, fundamentally changing understanding of risk.

Call Risk Call risk is the possibility that a bond issuer will exercise the right to call — repay — the bond before maturity when interest rates fall, forcing the bondholder to reinvest at lower rates.

Calmar Ratio and Drawdown-Based Risk Measurement Define the Calmar ratio as annualized return divided by maximum drawdown. Understand its use in evaluating trend-following strategies and downside risk.

Capital Adequacy Capital adequacy is the principle and regulatory requirement that financial institutions maintain sufficient capital to absorb losses and remain solvent even under stress, protecting depositors and creditors.

Capital Conservation Buffer A 2.5% CET1 capital surcharge above minimum requirements that triggers dividend and buyback restrictions when breached.

Cash Flow Hedge Risk management strategy that locks in the cash flows of a future variable-rate or forecasted transaction using derivatives.

Choosing a Confidence Level for Value at Risk Why the choice between 95% and 99% VaR matters for capital requirements, tail coverage, and the loss scenarios each confidence level captures.

Christoffersen Interval Forecast Test A statistical test that validates VaR models on both the frequency and independence of exceptions, detecting whether violations cluster during stress.

Cliff Risk and Covenant Breach in Corporate Debt Cliff risk occurs when a covenant breach triggers immediate debt acceleration, creating a non-linear jump in credit loss and default probability.

Coherent Risk Measure A mathematically principled framework defining four axioms—monotonicity, subadditivity, positive homogeneity, and translation invariance—that a valid risk measure must satisfy.

Collar Hedge Strategy: Capping Both Upside and Downside A collar hedge combines a protective put with a covered call to cap losses while limiting gains—a zero or low-cost strategy for managing concentrated equity positions.

Commodity Hedging for a Small Business Practical commodity hedging for small business: exchange-traded futures, OTC swaps, and supplier price locks. Manage input-cost volatility without complexity.

Commodity Price Hedging Using futures, swaps, and options to lock in prices for input costs or product sales and reduce margin volatility.

Commodity Risk Corporate and portfolio exposure to price swings in raw materials, energy, and agricultural inputs.

Component Value at Risk The portion of a portfolio's total VaR attributable to each individual holding, showing how much risk each position contributes.

Concentration Risk Danger of excessive exposure to a single security, sector, or asset class, reducing diversification and increasing portfolio volatility.

Concentration Risk and Large Exposure Limits in Banking How prudential rules cap a bank's exposure to a single counterparty or group, measured against Tier 1 capital, to prevent concentrated losses from triggering systemic failures.

Concentration Risk in a Portfolio How concentration risk amplifies portfolio losses when too much capital sits in a single asset, sector, or counterparty.

Concentration Risk in a Small Portfolio Concentration risk is the amplified loss potential when a single position, sector, or issuer grows too large relative to total assets, common in small retail portfolios.

Conditional Drawdown at Risk (CDaR) Conditional Drawdown at Risk (CDaR) is a coherent risk measure that averages the worst drawdown episodes beyond a chosen confidence threshold, replacing the drawdown cliff of maximum drawdown.

Conditional Value at Risk Explained Conditional value at risk explained: CVaR measures tail risk by looking at the average loss in the worst scenarios, going further than VaR.

Conditional Value at Risk Tail Risk Average loss exceeding the Value at Risk threshold, measuring expected shortfall in the worst-case tail of a portfolio distribution.

Conditional Value-at-Risk Conditional value-at-risk (CVaR), also called expected shortfall, is the average loss a portfolio incurs when losses exceed the value-at-risk threshold — the average of the worst outcomes.

Contagion Risk How financial distress spreads from one institution or market to others through exposure and panic channels.

Contagion Risk in Financial Markets How stress in one institution or market spreads to others, and how contagion differs from systemic risk.

Convexity Hedging Neutralising the second-order interest-rate sensitivity of bond portfolios, guarding against duration-matching failures in non-parallel yield-curve shifts.

Copula Risk Modeling Functions that model dependencies between asset losses, capturing non-linear relationships that traditional correlation misses.

Cornish-Fisher VaR Adjustment for Skewness and Kurtosis How the Cornish-Fisher expansion corrects Value-at-Risk estimates for non-normal return distributions.

Correlated Risk and Diversification Failure During market stress, asset correlations spike toward 1, breaking diversification assumptions and leaving portfolios far more exposed than historical data suggested possible.

Correlation Breakdown During a Market Crisis Why asset correlations spike toward one during crises, undermining diversification assumptions and concentrating portfolio risk.

Correlation Breakdown Risk The tendency for assumed correlations between asset classes to collapse toward one during market stress, eliminating diversification benefits.

Correlation Hedging Protecting a portfolio against unexpected changes in the statistical relationships between asset returns using correlation swaps.

Correlation Risk The risk that assets normally moving independently may move together during market crises.

Correlation Risk and Portfolio Diversification Correlation risk is the danger that assets assumed to move independently will suddenly move together during stress. When correlations spike, diversification fails precisely when protection is most needed.

Costless Collar vs Protective Put Costless collar vs protective put: compare premium costs, upside caps, and downside protection to choose the right hedge for your risk budget.

Countercyclical Capital Buffer A time-varying capital add-on set by national regulators to dampen excessive credit growth during economic upswings and support lending during downturns.

Counterparty Risk Counterparty risk is the probability that the other party in a financial transaction will fail to meet its obligations, leaving you holding a loss or unexecuted contract.

Counterparty Risk in Derivatives Contracts Counterparty risk in derivatives: how bilateral exposure arises in swaps and forwards, netting mechanisms, and why OTC derivatives differ from exchange-traded contracts.

Counterparty Risk vs Credit Risk Counterparty risk arises from bilateral derivatives exposure and mark-to-market losses; credit risk is traditional one-directional loan default exposure.

Country Risk Country risk is the possibility of loss on an investment due to adverse political, economic, or social events in a specific country, distinct from the underlying business risk of the investment itself.

Credit Risk Credit risk is the possibility that a borrower will fail to make promised payments on a loan, bond, or other debt obligation. It is the central risk faced by lenders and bondholders.

Credit Spread Hedging Hedging strategies that protect portfolios against widening credit spreads—the risk that borrowers become riskier and bond yields rise faster than Treasury yields.

Cross-Currency Basis Hedging Protecting against basis risk when funding in a foreign currency through cross-currency basis swaps.

Cross-Hedging Using a correlated but different instrument to manage exposure when a direct hedge is unavailable, unwieldy, or too expensive.

Currency Hedging Managing foreign exchange exposure across portfolios and minimizing FX volatility.

Currency Risk Currency risk — also called foreign exchange risk — is the exposure to losses from adverse movements in exchange rates between currencies when investing in assets denominated in a foreign currency.

Currency Risk Hedging for International ETFs Currency-hedged ETFs lock exchange rates to eliminate FX risk, but embed a forward-rate cost. Learn when hedging adds value and how long-term holders should choose between hedged and unhedged.

Cyber Risk Financial losses and operational disruption caused by data breaches, ransomware, hacking, and system failures affecting financial institutions and markets.