ETF Rebalancing Calculator

Manage US stocks, Korean stocks, and ETFs in one place and auto-rebalance to your target allocation

Real-time US & KR stock prices
Auto buy/sell calculation
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Asset Allocation

An investment principle of designing and maintaining asset class weights to match your target return and risk. Simplicity and consistency are key.

Purpose

It helps mitigate volatility, protect against downside, and achieve long-term compounding. High-return assets alone are vulnerable during downturns, and asset allocation reduces these psychological and structural risks.

Core Principles

  • Diversification: combine asset classes with low correlation
  • Consistency: stick to your defined rules (calendar/band)
  • Simplicity: prioritize feasibility over over-segmentation

Key Strategies

60/40: Stocks 60% / Bonds 40%. Simple and proven balanced approach.

Permanent Portfolio: 25% each in stocks/bonds/cash/gold. Emphasizes diversification across economic regimes.

Risk Parity: An approach that adjusts weights proportionally to each asset's volatility.

Tips for Korean Investors

  • Manage KRW/USD currency exposure (consider USD ETF weighting and hedging)
  • For bonds, choose between TLT vs IEF duration based on rate sensitivity
  • Design rebalancing rules considering Korean tax and transaction costs

FAQ

How many ETFs should I start with?

Starting with 2–4 ETFs is sufficient.

Which bond ETF is best?

Consider AGG, IEF, TLT and others based on duration, fees, and liquidity.

How do I set my rebalancing frequency?

Start with quarterly to annual, and combine with band conditions for efficiency.

How do I choose between hedged and unhedged ETFs?

Decide based on your KRW volatility sensitivity and need for USD diversification. Also consider costs.

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Design an asset allocation that fits your goals.

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