Crypto Portfolio Tracker — Real-Time Coin Allocation & P&L
Add your BTC, ETH, SOL and other coins with quantities. Fetch live CoinGecko prices to see total portfolio value, 24h change, and a pie chart allocation breakdown — with rule-based diversification diagnosis.
This calculator is for reference only and may differ from actual amounts due to law changes or individual circumstances. Please consult a licensed professional (tax accountant, labor attorney, etc.) for accurate calculations.
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Frequently Asked Questions
Q. Which coins are supported?
BTC, ETH, SOL, BNB, XRP, ADA, AVAX, DOGE, DOT, and LINK (top 10 by market cap). More coins will be added.
Q. Where do live prices come from?
CoinGecko's free public API. Prices are fetched directly in your browser — no server involved.
Q. Is my portfolio data saved?
Data exists only in your browser session and is not stored on any server. It resets on page refresh.
Q. How is the diversification diagnosis calculated?
Rule-based checks: single coin >50% weight, BTC anchor <20%, and any coin dropping >5% in 24h.
Q. How much BTC allocation is recommended?
A common framework is 20–50% BTC as a base asset with the remainder in altcoins, adjusted for your risk tolerance.
Q. How is the 24h portfolio change calculated?
Each coin's 24h change from CoinGecko is weighted by its portfolio percentage, then summed.
Q. Can I use this for real investment decisions?
This tool is for reference only. Consult a professional before investing. Crypto carries significant risk of loss.
How to Use
Select coins and enter quantities. BTC 0.1 and ETH 1 are pre-filled as examples.
Click "Fetch Live Prices" to pull current prices and 24h changes from CoinGecko.
See total value, 24h change, and a pie chart showing each coin's allocation.
Check the rule-based diagnosis for diversification advice and rebalancing tips.
Expert Knowledge: Crypto Portfolio Tracker — Real-Time Coin Allocation & P&L
Portfolio diversification is the cornerstone of risk management. In crypto markets, concentration in a single asset dramatically amplifies volatility risk. Bitcoin, as the #1 asset by market cap with the highest liquidity, typically serves as the portfolio anchor.
Regular rebalancing is essential. When a coin surges and becomes overweighted, consider taking partial profits and redistributing. Conversely, a coin that has declined becomes cheaper to accumulate, lowering your average cost.
Financial advisors generally recommend keeping crypto to 5–20% of total investment assets, given the extreme volatility. Only invest what you can afford to lose.
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