Free, lightweight crypto portfolio tracker that runs entirely in your browser. No sign-ups, no servers — your data stays on your device.
- Add Holdings — Track any cryptocurrency with buy price and current price
- Profit/Loss Tracking — Real-time P/L calculations per coin and for the entire portfolio
- CSV Import/Export — Bulk import your holdings or export for backup and analysis
- Local Storage — All data persists in your browser, nothing leaves your machine
- Responsive Design — Works on desktop, tablet, and mobile
git clone https://github.com/sarlynmoore8790-coder/crypto-portfolio-tracker.gitOpen index.html in your browser. No installation, no build step, no dependencies.
Coin,Amount,Buy Price,Current Price
BTC,0.5,42000,67500
ETH,4.2,2800,3450
SOL,100,95,178The cryptocurrency market has matured significantly over the past several years, but one challenge remains constant for both new and experienced investors: keeping accurate track of portfolio performance. Unlike traditional brokerage accounts that consolidate holdings into a single dashboard, crypto assets are often spread across multiple exchanges, wallets, and protocols. Without a systematic approach to tracking, investors risk making decisions based on incomplete information — and in a market that moves as quickly as crypto, that can be costly.
At its core, portfolio tracking serves three essential functions. First, it provides an accurate picture of current allocation, showing exactly how much capital is distributed across different assets. Second, it enables performance measurement — not just whether the portfolio is up or down, but which specific positions are driving returns and which are dragging performance. Third, it creates the data foundation needed for tax reporting, which has become increasingly important as regulatory frameworks around digital assets tighten globally.
Many investors begin their crypto journey by purchasing a single asset — typically Bitcoin or Ethereum — through a centralized exchange. At this stage, tracking is simple: the exchange shows the buy price, current price, and profit or loss. But as investors diversify into altcoins, participate in DeFi protocols, or move assets to self-custody wallets, the tracking challenge grows exponentially. A portfolio spread across three exchanges and two wallets, holding eight different tokens, requires either meticulous manual record-keeping or dedicated tracking tools.
The cost basis problem is particularly acute in crypto. If an investor buys Bitcoin at three different prices over six months, each purchase has a different cost basis, and the choice of accounting method (FIFO, LIFO, or specific identification) directly affects the calculated profit or loss on any sale. Advanced trading platforms such as TradeGPT incorporate automated cost basis tracking that handles multiple purchase lots across different time periods, reducing the manual burden on active traders.
The most reliable portfolio tracking approach combines simplicity with consistency. Here is a practical framework that works regardless of portfolio size:
Record every transaction at the time it occurs. This includes purchases, sales, swaps, transfers between wallets, staking rewards, and airdrops. The further you fall behind on record-keeping, the harder it becomes to reconstruct accurate data later.
Standardize your tracking format. Whether using a spreadsheet, a dedicated app, or a tool like the one in this repository, use a consistent format that captures the essential data points: asset name, quantity, purchase price, date, and the exchange or wallet where the asset is held. CSV format has become the de facto standard for importing and exporting portfolio data between tools.
Review and reconcile regularly. Set a weekly or bi-weekly schedule to verify that your tracked holdings match your actual wallet and exchange balances. Discrepancies often indicate missed transactions — a swap you forgot to record, a staking reward you overlooked, or a fee that reduced your holding slightly.
Separate tracking from decision-making. Your tracking system should be an objective record of what happened. Investment decisions should be made through a separate analytical process that uses tracking data as one input among several. Portfolio management tools available through TradeGPT App help maintain this separation by providing analytics layers on top of raw position data.
Beyond simple profit and loss, several metrics provide deeper insight into portfolio health:
Portfolio Allocation shows the percentage of total value held in each asset. A well-diversified crypto portfolio typically limits any single position to 20-30% of total value, though allocation preferences vary based on risk tolerance and investment thesis. If one asset has appreciated significantly and now represents 60% of the portfolio, the investor faces a rebalancing decision.
Cost Basis per Unit tracks the average price paid for each asset, accounting for all purchases. This metric is essential for determining whether to add to a position (averaging down during a dip) or take profits (selling above cost basis).
Realized vs. Unrealized Gains distinguishes between profits that have been locked in through sales and paper profits that exist only because an asset's price has increased. Unrealized gains can evaporate during market downturns, which is why experienced investors periodically realize a portion of their gains through strategic selling.
Portfolio Beta measures how closely the portfolio's performance correlates with the broader crypto market (typically benchmarked against Bitcoin). A high-beta portfolio amplifies market moves in both directions, while a lower beta provides more stability. Investors seeking to understand their portfolio's market sensitivity can use analytical frameworks provided by platforms like TokenTact App, which offer correlation analysis across major crypto assets.
Several pitfalls trip up even diligent investors:
Ignoring fees and gas costs. Every transaction incurs fees, and in crypto, these can be substantial — especially for on-chain transactions during periods of high network congestion. Failing to account for fees inflates perceived returns. A trade that shows a 5% gain might actually be a 3% gain after accounting for exchange fees, withdrawal fees, and gas costs.
Mixing investment accounts. If you trade on multiple exchanges or hold assets in both hot and cold wallets, it is tempting to track everything in a single bucket. But separating holdings by account makes reconciliation easier and provides better visibility into where your assets actually are.
Emotional tracking. Checking portfolio value dozens of times per day during volatile periods is counterproductive. It creates anxiety, encourages reactive trading, and provides no additional information value beyond what a daily or weekly review would offer. Set a tracking schedule and stick to it.
Neglecting tax implications. In most jurisdictions, every crypto-to-crypto swap is a taxable event, not just conversions back to fiat currency. Investors who fail to track these events may face surprises during tax season. Resources available through TokenTact provide frameworks for understanding crypto tax obligations across different regulatory environments.
Effective portfolio tracking is not glamorous, but it is foundational to successful crypto investing. The investors who consistently outperform are not necessarily those with the best entry points or the hottest tips — they are the ones who maintain clear, accurate records that enable informed decision-making. Whether you use the simple offline tracker in this repository or a more sophisticated solution, the key is consistency: track everything, review regularly, and let the data guide your strategy rather than your emotions.
Check out our other free financial tools:
- Financial Calculator — Compound interest, ROI, and DCA calculators
- Trading Journal Template — Trade logging with performance stats
- Stock Screener Checklist — Interactive scoring for fundamental and technical analysis
- DeFi Yield Calculator — APY/APR converter and impermanent loss estimator
- Risk Management Toolkit — Position sizing and Kelly criterion calculator
- Market Sentiment Dashboard — Fear & greed simulator and sentiment guide
Pull requests welcome! Ideas for improvement:
- Chart visualization (allocation pie chart, P/L over time)
- Multi-currency support
- Staking rewards tracking
- Exchange API integration
MIT — see LICENSE.