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joellewis avatar

Currencies And Fx

joellewis/finance_skills
465 installs164 stars
Summary

This handles currency analysis and FX risk management for international portfolios. You'll reach for it when users ask about exchange rates, hedging mechanics, interest rate parity, carry trades, or managing currency exposure in foreign investments. It covers both the arbitrage-enforced math (covered interest parity, forward pricing) and the empirically messier stuff like uncovered interest parity and why carry trades actually work despite theory. The examples walk through forward rate calculations and hedging cost computation with real numbers. One thing to note: it's honest about the limits, especially that forward rates aren't predictions and carry trades come with serious tail risk. Good for wealth management contexts where currency decisions matter to portfolio returns.

Install to Claude Code

npx -y skills add joellewis/finance_skills --skill currencies-and-fx --agent claude-code

Installs into .claude/skills of the current project.

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Files
SKILL.md

Select a file.

Featured
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Categories
Finance & Trading
First SeenJun 3, 2026
View on GitHub

More from joellewis/finance_skills

All 84 skills →
  • Trade Execution465
  • Debt Management464
  • Privacy Data Security464
  • Data Quality461
  • Rebalancing461
  • Financial Planning Integration460
  • Financial Planning Workflow459
  • Historical Risk458
  • Advertising Compliance457
  • Volatility Modeling457
  • Liquidity Management455
  • Portfolio Management Systems455
  • Time Value Of Money454
  • Performance Metrics453
  • Performance Reporting453
  • Diversification452
  • Emergency Fund450
  • Bet Sizing449
  • Return Calculations449
  • Anti Money Laundering447
  • Fund Vehicles447
  • Lending447
  • Know Your Customer446
  • Reconciliation446

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Calculate present value, future value, NPV, IRR for projects and loans, loan payments, and amortization schedules across all compounding conventions. Use when the user asks about discounting cash flows, valuing an annuity or perpetuity, comparing investments with different timing, building a mortgage amortization table, evaluating whether a project is worth pursuing, or solving for the rate that equates cash flows (project IRR, loan IRR, yield on an investment). Also trigger when users mention 'what is it worth today', 'how much will I have in 20 years', 'monthly payment on a loan', 'discount rate', 'Gordon growth model', 'effective annual rate', 'continuous compounding', or ask how to compare a lump sum versus a stream of payments. For portfolio money-weighted return (dollar-weighted IRR on an investor's contributions and withdrawals), use return-calculations instead.
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joellewis/finance_skills

Determine how much capital to allocate to individual positions within a portfolio. Use when the user asks about position sizing, the Kelly criterion, fractional Kelly, risk budgeting, or conviction weighting. Also trigger when users mention 'how much to put in one stock', 'maximum position size', 'how concentrated should my portfolio be', 'number of holdings', 'VaR budget per position', 'how big a bet', or ask about scaling position sizes with volatility.
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Analyze digital assets including cryptocurrency fundamentals, blockchain mechanics, DeFi protocols, and on-chain metrics. Use when the user asks about crypto investing, Bitcoin, Ethereum, staking yields, DeFi lending, impermanent loss, or on-chain valuation metrics. Also trigger when users mention 'blockchain', 'proof of stake', 'proof of work', 'smart contracts', 'NFTs', 'stablecoins', 'NVT ratio', 'TVL', 'crypto portfolio allocation', 'halving', or ask about risks and returns of cryptocurrency.
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Guide identification, measurement, and management of operational risk in trading and brokerage operations. Use when designing trade error detection and correction procedures, investigating trade breaks and reconciliation failures, classifying loss events under Basel taxonomy, developing key risk indicators (KRIs) and dashboards, responding to system outages or data feed failures or order routing errors, conducting root cause analysis after a trade error or operational incident, planning business continuity and disaster recovery for trading desks, preparing for FINRA or SEC operational risk examinations, or assessing technology risk in OMS and market data systems. Also covers fat-finger errors, error account P&L, and corrective action tracking.
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