# CoinPaprika Compare Coins

> Compare 1–6 cryptocurrencies on CoinPaprika's daily history: 15 metrics (performance, price, market cap, volume, returns, volatility, drawdown, RSI, relative volume, turnover, distance to the 200-day SMA, MACD), SMA/EMA 10/20/50/200 and Bollinger Bands. One value per completed UTC day (the mean of that day's prices); amounts in USD. Null means unavailable, never zero.

## Readable resources
- [Interactive comparison](https://coinpaprika.com/compare): bare /compare compares Bitcoin, Ethereum and Solana; /compare/{id}/{id}/… any 1–6 CoinPaprika coin ids. The query string carries the chart setup; the path alone is the canonical.
- [JSON snapshot](https://coinpaprika.com/api/compare/data?coins=btc-bitcoin,eth-ethereum,sol-solana): every metric on the last completed day, moving averages and the 365-day summary for the coins named; as_of, units and null semantics included.
- [Methodology JSON](https://coinpaprika.com/compare/methodology.json): units and calculation rules.
- [Interface guide JSON](https://coinpaprika.com/compare/agent.json): supported URL parameters, the data endpoint and its statuses.

## Interpretation
Daily averages, not closes. Performance starts at 0% on the first visible day. Market cap follows real circulating supply. Indicators describe history and are not buy or sell signals. No trading, alerts or write API.