Having so many different cryptocurrencies it's hard to track the portfolio for the trader, especially if those are held in various exchanges. The best way to manage that is using a tool like cointracker.io.
The website is founded by google employees. Chandan Lodha and Jon Lerner.
In case you're paying taxes for your crypto trading, you can use the website also to calculate them.
To login you can create an account or use your coinbase or google account.
You'll be able as well to link your account to any exchange you're using. It supports a lot of exchanges, including : binance, bitstamp, bittrex, cryptopia, kucoin, poloniex and others.
You can even link your account to your hard wallet, including : ledger and trezor. Or even link it to your jaxx wallet, public wallet or xpub address.
In cointracker.io, you not only track your portfolio and calculate fast your taxes, but you can as well watch other cryptocurrencies and decide what cryptocurrency is good to invest in.
Check that here : https://www.cointracker.io/prices
Even the chart of steem is there with really nice interface.
You can always contact the help centre any time and they will always reply to you.
The tax plan they have is not that expensive, only $49 per month for an hobbist. They have as well other plans in case you have more than 100 transactions.
You can register to the website to try it, it's really easy to use.
Check the social link here :
Twitter : https://twitter.com/cointracker_io
Telegram : https://t.me/cointracker_io
Facebook : https://www.facebook.com/cointracker
Medium : https://medium.com/cointracker
Reddit : https://www.reddit.com/r/cointracker
You can try as well the mobile applications on android and ios.
The website promoted in my facebook group as well : https://www.facebook.com/groups/clixmoney
For more details, you can watch this video :