You have $100 to buy bitcoin. Instead of just buying with
that amount, you borrow $900 and buy $1000 worth of bitcoin. This is
1:10 leverage. Now, if the price goes up by just 1% you gain 10%. THE
MAIN POINT IS CRYPTO's PRICE is changing every seconds , Have a look
at the Last month price history For  Ethereum from
www.investing.com   
https://m.investing.com/crypto/ethereum/historical-data