FRM Exam Part II · Monitoring Liquidity

Basel III Liquidity Monitoring Tools and Metrics

Updated 11 October 2026 · Fact-checked

Basel III liquidity monitoring tools are supervisory metrics that sit beside the LCR and NSFR. They are: contractual maturity mismatch, concentration of funding, available unencumbered assets, LCR by significant currency, and market-related indicators. To answer a question, identify what the tool measures, compute it, and interpret what it signals.

Understand Liquidity Monitoring Tools and Metrics

The LCR and NSFR are fixed ratios with set minimums. They do not show everything a supervisor needs. Basel therefore added monitoring tools. These have no minimum standard. They give supervisors data to spot liquidity stress early and compare banks.

The tools are five. Contractual maturity mismatch lays out contractual cash inflows and outflows by time bucket (for example overnight, 7 days, 14 days, 1 month, 3 months, 6 months, 1 year). It shows the gaps a bank must fill if no new funding arrives. It uses contractual terms only, with no behavioural assumptions.

Concentration of funding shows dependence on a few counterparties, instruments or currencies. Basel looks at funding from each significant counterparty, each significant product or instrument, and the main currencies. A significant counterparty or instrument is one that is more than 1% of the bank's total liabilities. A group of counterparties is significant if it is more than 1% of total liabilities. In the exam, focus on the idea: high concentration means fragile funding.

Available unencumbered assets reports assets that are not pledged and could be used as collateral in secondary markets or at central bank standing facilities. It shows the bank's capacity to raise secured funding. Report by currency and location. LCR by significant currency checks that liquidity is not hidden by mixing currencies. A currency is significant if liabilities in it are 5% or more of total liabilities.

Market-related monitoring tools use public market data such as equity prices, CDS spreads, and market-wide liquidity indicators. They give early warning of stress at a bank or in the system.

Keep one logic: LCR and NSFR set standards; monitoring tools give a richer picture and trigger supervisory questions.

Key formulas to remember

Contractual maturity mismatch (gap): Gap in bucket = Contractual inflows − Contractual outflows; Negative gap means a funding need in that bucket. Use contractual terms only.
Cumulative gap: Cumulative gap at bucket t = Σ (inflows − outflows) from the first bucket to t; Shows the total funding need accumulated over the horizon.
Funding concentration ratio: Concentration = Funding from a counterparty (or instrument) ÷ Total liabilities; Compare with the significance threshold. Basel uses 1% of total liabilities for a significant counterparty or product.
Unencumbered assets share: Unencumbered assets ÷ Total assets; Report by currency and location. Only assets free of pledges count.
Significant currency test: Liabilities in currency ÷ Total liabilities ≥ 5%; If true, report LCR in that currency.

How to solve Liquidity Monitoring Tools and Metrics questions

Use this method for any question on Basel liquidity monitoring tools.

1Name the tool being tested: maturity mismatch, funding concentration, unencumbered assets, LCR by currency or market indicators.
2Recall what it measures and whether it has a minimum. Monitoring tools have none.
3Pull out the figures and the bucket, counterparty or currency in question.
4Compute the gap, ratio or cumulative total with the right sign convention.
5Compare with the threshold if one applies, such as 1% or 5% of total liabilities.
6Interpret: a negative gap, high concentration or low unencumbered stock signals weaker liquidity.
7Check each option against the contractual-only or no-minimum conditions before choosing.

Quickest way: Tool-to-signal shortcut

When to use it: Use when the question is conceptual or the numbers are simple.

Match the key phrase to the tool: contractual terms means mismatch; few lenders means concentration; collateral means unencumbered assets; CDS or equity prices means market indicators.
Remember: no minimum standard for any of them.
For numbers, do gap = inflows − outflows, then accumulate.
Eliminate options that add behavioural assumptions to the mismatch or count pledged assets as available.

Common mistakes in Liquidity Monitoring Tools and Metrics

Treating monitoring tools as binding minimums like the LCR.
They are taught in the same chapter as LCR and NSFR.
Fix: Remember they are supervisory information tools with no required level.
Adding behavioural assumptions, such as deposit stickiness, to contractual maturity mismatch.
Students mix it up with LCR outflow rates or internal gap analysis.
Fix: The Basel tool uses contractual cash flows only.
Counting pledged assets as available unencumbered assets.
The word 'available' is read loosely.
Fix: Only assets free of legal, regulatory or contractual restriction count, and they must be usable as collateral.
Getting the gap sign wrong.
Outflows minus inflows is used by some banks.
Fix: State the convention: inflows minus outflows, so negative means a shortfall.
Reading cumulative gap as the single-bucket gap.
Rushing through the table.
Fix: Add each bucket's gap in order to get the cumulative figure.
Saying market-related tools use the bank's internal data.
Other tools use balance-sheet data.
Fix: Market tools use public market data such as prices, spreads and system-wide indicators.

Worked examples

Example 1

A bank reports contractual flows (in USD million). Overnight: inflows 400, outflows 650. 1 week: inflows 300, outflows 250. 1 month: inflows 500, outflows 900. What is the cumulative gap at the end of 1 month, and what does it show?

Show the solution

Overnight gap = 400 − 650 = −250.
1 week gap = 300 − 250 = +50.
1 month gap = 500 − 900 = −400.
Cumulative = −250 + 50 − 400 = −600.

Answer: The cumulative gap is −USD 600 million. The bank must find USD 600 million of new funding or sell or pledge assets within one month if contractual flows play out and no rollover occurs.

Example 2

A bank has total liabilities of EUR 80 billion. One wholesale lender provides EUR 1.2 billion of funding. Another currency, GBP, accounts for GBP-denominated liabilities equal to EUR 3.6 billion. Under the Basel monitoring thresholds, is the lender a significant counterparty, and must the bank report LCR in GBP?

Show the solution

Lender share = 1.2 ÷ 80 = 1.5%.
Threshold for a significant counterparty is 1% of total liabilities, so 1.5% exceeds it.
GBP share = 3.6 ÷ 80 = 4.5%.
The significant currency threshold is 5%, so 4.5% is below it.

Answer: The lender is a significant counterparty (1.5% against 1%). GBP is not a significant currency (4.5% against 5%), so a separate GBP LCR is not required under the monitoring tool.

Exam tips

Know that none of the monitoring tools has a minimum requirement. This is a favourite trap.
Memorise the thresholds: 1% for counterparty and product concentration, 5% for significant currency.
Contractual maturity mismatch means contractual only. Reject options with behavioural assumptions.
In numerical questions, write the sign convention first, then accumulate buckets in order.
For unencumbered assets, ask whether the asset is free and usable as collateral.

Practice questions from Monitoring Liquidity

Liquidity Monitoring Tools and Metrics: frequently asked questions

What are the Basel III liquidity monitoring tools?

They are contractual maturity mismatch, concentration of funding, available unencumbered assets, LCR by significant currency and market-related monitoring tools. Supervisors use them alongside the LCR and NSFR. They have no minimum standards.

How is contractual maturity mismatch different from liquidity gap analysis?

The Basel tool uses contractual cash flows only and places them in time buckets. Internal liquidity gap analysis often adds behavioural assumptions, such as deposit rollover. The Basel version shows the raw gaps before any management actions.

What counts as an available unencumbered asset?

It is an asset that is not pledged or otherwise restricted and can be used as collateral in secondary markets or at central bank standing facilities. Banks report these by currency and location. Pledged assets are excluded.

What do market-related monitoring tools measure?

They use market data such as equity prices, CDS spreads and wider market liquidity indicators. They give early warning of stress at a bank or in the market. They complement the balance-sheet based tools.