Most corporate treasurers accept the spread their relationship bank quotes them. They might shop the deal to two or three other banks, take the lowest number, and call it done. That's how you leave money on the table.
Here's the secret: every bank that lends to corporates publishes a regulatory filing called the Pillar 3 disclosure. Buried in those filings is everything you need to estimate the bank's true internal cost of lending to you — their probability-of-default model, their loss-given-default assumptions, their cost-to-income ratio, their effective tax rate. From that, you can compute the minimum spread that bank must charge you to hit its internal hurdle rate.
That number is your negotiating floor. Anything above it is the bank's margin. Everything in this article is built on public data — no insider information needed.
Under the Basel framework, banks must hold capital against their risk-weighted assets. Pillar 1 sets the minimum capital ratios. Pillar 2 covers the supervisory review process. Pillar 3 is the public disclosure requirement: every bank above a certain size must publish detailed information about its risk profile so that investors and counterparties can assess it.
For your purposes, the Pillar 3 report is gold. It contains hundreds of standardised tables (called templates) covering credit risk, market risk, operational risk, liquidity, and capital. The one you care about is the CR6 template.
CR6 is the table that breaks down the bank's credit risk exposures by exposure class, by IRB approach, and by PD band. For corporate lending, you want the row labelled "Corporates — Other" (sometimes split between A-IRB and F-IRB).
What you'll find in that row:
Together, PD, LGD, and EAD let you compute the bank's expected loss: EL = PD × LGD × EAD. That's the steady-state credit cost the bank prices into every loan.
Every European bank publishes its Pillar 3 disclosure on its investor relations website, usually as a PDF (often 100+ pages). Look for filenames like pillar-3-2025.pdf or additional-pillar-3-disclosures.pdf. They're updated semi-annually for large banks and annually for smaller ones.
The European Banking Authority's Pillar 3 Data Hub centralises these disclosures from late 2025 onwards. Until that's fully populated, the bank's own website is the canonical source.
CR6 gives you the credit risk side of the equation. To compute RAROC you also need:
The simplified RAROC formula a bank uses to evaluate your deal is:
RAROC = (1 − Tax Rate) × [ (Revenue − Operating Cost − Funding Cost − Expected Loss) / Capital Required + Risk-Free Rate ]
Where:
The bank's internal hurdle rate is usually 10-15% (12% is the European norm). If your deal generates RAROC above that hurdle, the bank makes economic profit. Below it, the bank is losing money on a risk-adjusted basis — even if the loan looks profitable on a cash basis.
Suppose you're negotiating a EUR 25M, 5-year unsecured term loan with a major European bank. You're rated BBB+. The bank quotes you 175bp over EURIBOR plus a 25bp commitment fee.
From the bank's most recent Pillar 3 CR6 template, you find:
You apply the standard Basel III formula for RWA on a BBB+ rated corporate exposure (PD = 0.20%, LGD = 40%, M = 5 years), and you get a risk weight of about 80%. So RWA on EUR 25M is EUR 20M, and capital required is EUR 20M × 10.5% = EUR 2.1M.
Annual revenue: 175bp × 25M = EUR 437,500 in spread, plus 25bp × 5M of commitment = EUR 12,500. Total EUR 450,000.
Operating cost: EUR 450,000 × 60% = EUR 270,000.
Funding: 15bp × 25M = EUR 37,500.
Expected loss: 0.20% × 40% × 25M = EUR 20,000.
Net pre-tax profit: 450,000 − 270,000 − 37,500 − 20,000 = EUR 122,500.
RAROC: 75% × (122,500 / 2,100,000 + risk-free rate of 3.25%) = 75% × (5.83% + 3.25%) = 6.81%.
That's well below the bank's 12% hurdle. The bank is overcharging itself relative to its own capital cost. You have room to push for a tighter spread.
To hit a 12% RAROC, the bank actually needs about 235bp of spread on this deal — meaning the 175bp quote is already discounted vs the bank's internal floor. But here's the key: knowing the bank's true cost lets you understand why they offered 175bp (relationship discount) and gives you a defensible counter-position when they push back.
Walk into the room with three numbers:
You'll often discover that the bank's quote is 30-80bp above what their own model justifies. That gap is the relationship premium — or, less charitably, the lazy-treasurer premium. Either way, it's negotiable.
Banks respect counterparties who understand their economics. Showing up with a Pillar 3 analysis tells them: this borrower is sophisticated, this borrower has alternatives, this borrower will not accept your default quote. Often the spread comes down without you ever having to threaten to switch banks.
Pillar 3 disclosures are aggregate figures for the bank's entire corporate portfolio. The PD they report is the EAD-weighted average across all corporates — including some BB-rated names that pull the number up. For a BBB+ borrower, the bank's internal PD for you is typically lower than the portfolio average. So your true minimum spread is usually a bit tighter than the back-of-envelope calculation suggests.
The cost-to-income ratio reflects the whole bank, not the corporate banking division specifically. Investment banking is more expensive to run than retail; a bank with a heavy IB business has a higher C/I than its corporate lending arm in isolation.
The risk weight you use for your deal depends on whether the bank is on the standardised approach or IRB. F-IRB uses regulatory LGD; A-IRB uses the bank's own LGD model. Pillar 3 tells you which approach the bank uses.
None of these limitations invalidate the exercise — they're just refinements. The first-pass calculation gets you 80% of the way to a useful negotiating number.
The above is the manual approach. It takes 30-60 minutes per bank if you know what you're doing, plus an hour or two of one-time setup to find the right templates and build the spreadsheet.
OpenRAROC does this for 59 banks automatically. Every Pillar 3 number is already extracted, kept up to date, and plugged into a Basel III RAROC calculator. You upload your portfolio, and the tool tells you what minimum spread each bank needs on each of your facilities. Try it free — it works on 4 banks in the free tier and all 59 in the EUR 49/year Pro tier.
Either way: the next time your relationship bank quotes you a spread, you'll know whether they're being fair.
OpenRAROC does this calculation for 59 banks automatically. Upload your portfolio and see who's overcharging you.
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