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managing-counterparty-risk

Structures counterparty credit risk assessment with exposure calculation and mitigation monitoring. Use when assessing counterparty risk, calculating potential future exposure, or managing collateral.

personAuthor: jakexiaohubgithub
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Managing Counterparty Risk

When To Use

  • Onboarding a new derivatives, lending, or repo counterparty and setting initial credit limits
  • Periodic (quarterly/annual) review of existing counterparty exposures against approved limits
  • Calculating potential future exposure (PFE) or credit valuation adjustment (CVA) for a portfolio
  • Evaluating collateral adequacy after a credit event, rating downgrade, or material market move
  • Preparing counterparty risk reports for risk committees, regulators, or senior management
  • Assessing netting and close-out enforceability under ISDA or equivalent master agreements

Inputs To Gather

  • Counterparty profile: Legal entity name, LEI, corporate structure, domicile, sovereign rating
  • Credit assessment data: External ratings (S&P, Moody's, Fitch), internal scorecard results, CDS spreads, financial statements (most recent 2-3 periods)
  • Exposure data: Trade-level mark-to-market by product (derivatives, repo, securities lending, loans), notional amounts, maturity profiles
  • Netting & collateral documentation: ISDA master agreement status, CSA/VM-CSA terms (thresholds, minimum transfer amounts, eligible collateral, haircuts), netting opinion coverage [VERIFY jurisdiction-specific enforceability]
  • Limit framework: Approved credit limits by exposure type (current exposure, PFE, settlement risk), tenor buckets, and any sub-limits by product or desk
  • Regulatory parameters: SA-CCR or IMM methodology inputs, risk weights, CVA capital charge requirements [VERIFY applicable framework: Basel III / Basel IV / local implementation]

Workflow

  1. Profile the counterparty

    • Confirm legal entity, group hierarchy, and ultimate parent
    • Map to internal rating grade using scorecard or external rating mapping
    • Determine probability of default (PD) and loss given default (LGD) assumptions
    • Flag any wrong-way risk — correlation between counterparty creditworthiness and exposure direction

  2. Calculate exposure metrics

    • Compute current exposure (CE): aggregate positive MTM after legally enforceable netting
    • Estimate potential future exposure (PFE) at defined confidence interval (typically 95th or 97.5th percentile) across relevant time horizons (1-day, 10-day, 1-year, life-of-trade)
    • Derive expected exposure (EE) and expected positive exposure (EPE) profiles for CVA pricing
    • For SA-CCR: compute replacement cost (RC) and PFE add-on by asset class (interest rate, FX, credit, equity, commodity) [VERIFY regulatory multipliers and supervisory factors]

  3. Assess collateral and mitigation

    • Verify CSA terms: threshold, independent amount, minimum transfer amount, frequency of margin calls
    • Calculate net unsecured exposure after applying collateral (cash, government bonds, other eligible assets with appropriate haircuts)
    • Review initial margin (IM) adequacy for cleared vs. bilateral trades
    • Evaluate guarantees, credit insurance, or CDS hedges and their effectiveness
    • Confirm netting opinion validity for counterparty jurisdiction [VERIFY local netting enforceability]

  4. Test against limits and triggers

    • Compare CE, PFE, and settlement exposure against approved counterparty limits
    • Identify limit breaches, near-breaches (e.g., >80% utilization), and tenor concentrations
    • Check for credit event triggers: rating downgrade clauses, additional termination events (ATEs), cross-default provisions
    • Run stress scenarios: counterparty default under adverse market conditions, jump-to-default, simultaneous collateral devaluation

  5. Compile risk report and recommendations

    • Summarize exposure profile with trend analysis (current vs. prior period)
    • Present limit utilization dashboard by counterparty, product, and tenor
    • Highlight watch-list counterparties and escalation items
    • Recommend actions: limit adjustments, additional collateral calls, trade compression or novation, hedging via CDS

Output

The counterparty risk report should contain:

  • Executive summary: Top 10 exposures, aggregate portfolio PFE, notable changes since last review
  • Individual counterparty cards: Rating, PD/LGD, CE/PFE, limit utilization, collateral coverage ratio, wrong-way risk flag
  • Exposure analytics: Breakdown by asset class, maturity bucket, and netting set; concentration metrics (Herfindahl index or top-N share)
  • Stress test results: Impact of defined scenarios on exposure and collateral values
  • Action items: Specific limit changes, margin call recommendations, documentation remediation (e.g., outstanding netting opinions or CSA amendments)
  • Regulatory capital impact: SA-CCR EAD or IMM exposure, CVA capital charge delta [VERIFY capital framework in effect]

Quality Checks

  • Verify that netting is applied only where a valid, current netting opinion exists for the relevant jurisdiction
  • Confirm PFE model parameters (volatilities, correlations, confidence level) are consistent with approved methodology
  • Cross-check MTM values against independent valuation sources (front-office vs. risk system reconciliation)
  • Ensure haircuts on collateral reflect current market conditions and regulatory minimums
  • Validate that wrong-way risk exposures are separately identified and not netted against general exposure
  • Confirm all limit breaches have documented escalation and remediation timelines
  • Check that rating downgrade trigger analysis reflects current CSA/ISDA terms, not stale documentation