You can look and see exactly how much the price of BTC would move on an exchange by looking at its order book. GDAX's charts[1] makes it easy to see this infact

You can look and see exactly how much the price of BTC would move on an exchange by looking at its order book. GDAX's charts[1] makes it easy to see this infact. You can just mouse over the order book and see how many $ it would take to move the price to a certain level. [1] https://www.gdax.com/trade/BTC-USD https://www.gdax.com/trade/BTC-USD