Companion files

Credit Analysis

A Practitioner’s Guide to One Borrower, Four EBITDAs, and the Number That Decides Whether the Loan Is Repaid

These are the four Excel workbooks that go with the book. Every figure the book prints is reproduced in them by a live formula rather than a typed constant — switch an add-back off, disallow a different amount, move the covenant level or the exit multiple, and every dependent number moves. Each one ends with a Checks sheet setting the printed figure beside the computed one: 87 controls in all, every one green. If a control ever reads FAIL, the workbook is wrong, not the book.

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All four workbooks

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Everything described below is inside it, with the read-me.

The four workbooks

Conventions used throughout

Blue texta hardcoded input — you may edit these
Yellow fillan input cell; everything else on the sheet is a formula
Black texta formula — do not overtype these
Checks sheetthe printed figure beside the computed one, with a PASS or a FAIL

Why the checks matter more than the models

A workbook that agrees with a book proves nothing on its own — the author wrote both. What the Checks sheets do is different: they force the model to reproduce a number that was printed before the model existed, from a formula rather than from the number itself.

On this book the discipline caught two things a reading would not. The first was a label: three rows of the bridge begin with an equals sign, and a spreadsheet reads that as a formula rather than as text, so three cells rendered an error in every workbook. Nothing depended on them and no figure was wrong, which is exactly why nobody would have noticed. The second was a ratio the book described as a multiple of the amendment fee when it was computed on the whole package — 4.3108 times the 3,600,000, and 12.9325 times the 1,200,000 fee alone. The book now says both, because both are true and only one was written down.

Where a shortcut and the full computation disagree, both are shown. Expected loss is 1.0608 per cent on day-one exposure and 0.6271 averaged over the amortising balance — a gap of more than a tenth of the whole margin, and neither figure is wrong. The amendment costs 0.1646 of a turn of cover charging the ratchet twice, and 0.1259 charging it once. Neither gap is smoothed away.

Opening the files

The workbooks open in Microsoft Excel, LibreOffice Calc, Google Sheets and Numbers. They use no macros and no add-ins, so nothing needs to be enabled or trusted. If your spreadsheet asks to update links on opening, decline — there are none.

Articles on this book

Also by Julian R. Sterling

The other books with companion files. The full list of titles is on the author page.