Risky Funding: A Unified Framework for Counterparty and Liquidity Charges

Massimo Morini and Andrea Prampolini

Contents

Introduction

Preface to Chapter 1

1.

Being Two-Faced over Counterparty Credit Risk

2.

Risky Funding: A Unified Framework for Counterparty and Liquidity Charges

3.

DVA for Assets

4.

Pricing CDSs’ Capital Relief

5.

The FVA Debate

6.

The FVA Debate: Reloaded

7.

Regulatory Costs Break Risk Neutrality

8.

Risk Neutrality Stays

9.

Regulatory Costs Remain

10.

Funding beyond Discounting: Collateral Agreements and Derivatives Pricing

11.

Cooking with Collateral

12.

Options for Collateral Options

13.

Partial Differential Equation Representations of Derivatives with Bilateral Counterparty Risk and Funding Costs

14.

In the Balance

15.

Funding Strategies, Funding Costs

16.

The Funding Invariance Principle

17.

Regulatory-Optimal Funding

18.

Close-Out Convention Tensions

19.

Funding, Collateral and Hedging: Arbitrage-Free Pricing with Credit, Collateral and Funding Costs

20.

Bilateral Counterparty Risk with Application to Credit Default Swaps

21.

KVA: Capital Valuation Adjustment by Replication

22.

From FVA to KVA: Including Cost of Capital in Derivatives Pricing

23.

Warehousing Credit Risk: Pricing, Capital and Tax

24.

MVA by Replication and Regression

25.

Smoking Adjoints: Fast Evaluation of Monte Carlo Greeks

26.

Adjoint Greeks Made Easy

27.

Bounding Wrong-Way Risk in Measuring Counterparty Risk

28.

Wrong-Way Risk the Right Way: Accounting for Joint Defaults in CVA

29.

Backward Induction for Future Values

30.

A Non-Linear PDE for XVA by Forward Monte Carlo

31.

Efficient XVA Management: Pricing, Hedging and Allocation

32.

Accounting for KVA under IFRS 13

33.

FVA Accounting, Risk Management and Collateral Trading

34.

Derivatives Funding, Netting and Accounting

35.

Managing XVA in the Ring-Fenced Bank

36.

XVA: A Banking Supervisory Perspective

37.

An Annotated Bibliography of XVA

The pricing of funding liquidity and the pricing of counterparty credit risk are closely related. Companies usually compute a spread for funding costs that includes a compensation for their own risk of default. However, interactions between the two are still poorly understood, while banks are in need of a sound framework to underpin consistent policies for charging funding and credit costs. In this chapter we try to provide the cornerstones of a unified consistent framework for liquidity and credit risk adjustments that can help banks in this process.

We first argue that a naive application of the standard approach to including funding costs by modifying the discounting rate, when it is put in place together with the standard approach for the computation of credit value adjustment (CVA) and debt value adjustment (DVA) leads to double-counting of assets that can be realised only once. Here we show how this issue can be avoided. We devise a practical and general approach to the problem by taking explicitly into account, in the valuation of a derivative, the funding strategy that needs to be put in place to manage the liquidity absorbed or generated by the derivative, and we study

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