Macroeconomics

Bank Currency Mismatch Calculator

Stress bank capital against net foreign-currency liabilities after an exchange-rate depreciation.

Runs locally

Inputs and results stay in this browser. Currency symbols are illustrative; use any consistent currency.

Estimated FX mismatch valuation loss$4,680,000,000.00
Net unhedged FX liability$26,000,000,000.00
FX loss as share of bank capital5.32%

Understand Bank Currency Mismatch

One idea, three depths

Choose how deeply to explain Bank Currency Mismatch

Bank Currency Mismatch: Stress bank capital against net foreign-currency liabilities after an exchange-rate depreciation.

Age 5Explain it to a 5-year-oldStart with a picture

Imagine using Bank Currency Mismatch to answer this question: stress bank capital against net foreign-currency liabilities after an exchange-rate depreciation? Enter Foreign-currency liabilities, Foreign-currency assets, Domestic-currency depreciation, and 2 other inputs; the calculator shows Estimated FX mismatch valuation loss. Try changing one number and watch what happens to Estimated FX mismatch valuation loss. The answer tells you Estimated FX mismatch valuation loss.

Age 15Explain it to a 15-year-oldConnect it to the formula

Derivatives, natural hedges, borrower currency mismatch and regulatory net-open-position rules require detailed treatment. The rule is FX valuation loss = net foreign-currency liability × depreciation rate. Its input values are Foreign-currency liabilities, Foreign-currency assets, Domestic-currency depreciation (%), Eligible FX hedges, Bank capital, and the main result is Estimated FX mismatch valuation loss. Try changing one number and watch what happens to Estimated FX mismatch valuation loss.

CollegeExplain it at college levelState the model precisely

This calculator evaluates a macroeconomics relationship while holding unmodelled conditions constant. The implemented relation is FX valuation loss = net foreign-currency liability × depreciation rate, evaluated from Foreign-currency liabilities, Foreign-currency assets, Domestic-currency depreciation (%), Eligible FX hedges, Bank capital to produce Estimated FX mismatch valuation loss. Derivatives, natural hedges, borrower currency mismatch and regulatory net-open-position rules require detailed treatment. The result depends on comparable definitions, units, populations and time periods. It estimates a relationship; it does not establish causation or replace current primary data.

The economic question

Stress bank capital against net foreign-currency liabilities after an exchange-rate depreciation.

Why this relationship is useful

Derivatives, natural hedges, borrower currency mismatch and regulatory net-open-position rules require detailed treatment.

Inputs that must be comparable

  • Foreign-currency liabilities.
  • Foreign-currency assets.
  • Domestic-currency depreciation measured in %.
  • Eligible FX hedges.
  • Bank capital.

Use one market, firm, population and time period throughout; mixing definitions can make a correctly calculated number economically meaningless.

The model

FX valuation loss = net foreign-currency liability × depreciation rate

From inputs to output

The calculator combines Foreign-currency liabilities, Foreign-currency assets, Domestic-currency depreciation, Eligible FX hedges, Bank capital and reportsEstimated FX mismatch valuation loss together with Net unhedged FX liability, FX loss as share of bank capital. Change one assumption at a time to identify what actually drives the estimate.

How to read Estimated FX mismatch valuation loss

Read the sign, magnitude, unit and period together. The result quantifies the relationship in “stress bank capital against net foreign-currency liabilities after an exchange-rate depreciation”; it does not by itself prove that one input caused another.

Where interpretation can fail

Do not use the result when the input definitions, units or formula assumptions do not match the real situation. This is an educational model, not financial, investment, tax or policy advice; verify material decisions against primary data and professional guidance.

Supporting sourcesAcademic referencesPrimary standards, textbooks and complete citations

Standards, reading and academic references

Use the calculator as the worked interaction, then consult the primary standards and academic textbooks listed below. MW SysArc links to the original sources; the explanation on this page is original and does not reproduce them.

Principles of Economics 3e

Read the free OpenStax economics textbook
Cite this book
APA 7
Greenlaw, S. A., Shapiro, D., & MacDonald, D. (2022). Principles of economics 3e. OpenStax. https://openstax.org/books/principles-economics-3e/pages/1-introduction
MLA 9
Greenlaw, Steven A., et al. Principles of Economics 3e. OpenStax, 2022, https://openstax.org/books/principles-economics-3e/pages/1-introduction.
Chicago author-date
Greenlaw, Steven A., David Shapiro, and Daniel MacDonald. 2022. Principles of Economics 3e. Houston, TX: OpenStax. https://openstax.org/books/principles-economics-3e/pages/1-introduction.

OpenStax entries are free to read online. Follow the licence shown on each linked source before redistributing or adapting its content.

Reuse the page responsiblyCite this pageAPA, MLA, Chicago, Harvard, BibTeX and RIS

These formats cite this calculator page itself. They are separate from the academic references above, which support the mathematical method and terminology.

APA 7

MW SysArc. (2026, July 21). Bank Currency Mismatch Calculator. MW SysArc Tools. https://economics.mwsysarc.com/macro/bank-currency-mismatch

MLA 9

MW SysArc. “Bank Currency Mismatch Calculator.” MW SysArc Tools, 21 July 2026, https://economics.mwsysarc.com/macro/bank-currency-mismatch. Accessed 30 Aug. 2026.

Chicago 17

MW SysArc. “Bank Currency Mismatch Calculator.” MW SysArc Tools. Published July 21, 2026. Accessed August 30, 2026. https://economics.mwsysarc.com/macro/bank-currency-mismatch.

Harvard

MW SysArc (2026) ‘Bank Currency Mismatch Calculator’, MW SysArc Tools. Published 21 July 2026. Available at: https://economics.mwsysarc.com/macro/bank-currency-mismatch (Accessed: 30 August 2026).

BibTeX and RIS records

BibTeX

@misc{mwsysarc_bank_currency_mismatch_2026,
  author = {{MW SysArc}},
  title = {Bank Currency Mismatch Calculator},
  howpublished = {MW SysArc Tools},
  year = {2026},
  url = {https://economics.mwsysarc.com/macro/bank-currency-mismatch},
  note = {Published July 21, 2026; accessed August 30, 2026}
}

RIS

TY  - ELEC
AU  - MW SysArc
TI  - Bank Currency Mismatch Calculator
T2  - MW SysArc Tools
PY  - 2026
DA  - 2026-07-21
Y2  - 2026-08-30
UR  - https://economics.mwsysarc.com/macro/bank-currency-mismatch
N1  - Published July 21, 2026
ER  -

Clear answers

Frequently asked questions

What does the Bank Currency Mismatch do?

Stress bank capital against net foreign-currency liabilities after an exchange-rate depreciation.

How does the Bank Currency Mismatch work?

The calculator applies this formula: FX valuation loss = net foreign-currency liability × depreciation rate. Derivatives, natural hedges, borrower currency mismatch and regulatory net-open-position rules require detailed treatment.

What can I learn from the Bank Currency Mismatch?

It helps you explore the relationship described by this tool: Stress bank capital against net foreign-currency liabilities after an exchange-rate depreciation. Change one input at a time to observe how it affects the result.

Does MW SysArc receive or store what I enter?

No. The calculation runs locally in your browser. MW SysArc does not receive or store your calculation inputs.

How should I use the result?

Use the result as an estimate or educational aid. Check important financial, business or policy decisions with qualified sources and current data.

Last reviewed . Calculations tested .

MW SysArc Certified