You will notice that many crypto exchanges will have differing buy/sell rates. I’ve noticed that sometimes the price even differs by $1000 or more, especially between the exchanges of different countries. This is because the price is determined by whatever the buyers and sellers are willing to pay on that exchange. This means that theoretically, you could purchase bitcoin from one exchange and sell it in another where it’s listed for higher. I’m still looking into this myself, but it seems that with the fees, limits and exchange times associated with each exchange it may not be as worthwhile as it seems.

A long-term investor using futures would have to buy a series of contracts to keep the position, but the futures exchange's customer fees tend to be small — as little as 50 cents for one futures contract — and the investor could stay in the market a long time before the costs exceeded those on a spot exchange, Mollet said. Brokerages like TD Ameritrade advertise commission-free futures trading, but would charge interest for margin loans, with the rate based on the size of the loan.

The cryptocurrency market, which consists of bitcoin and other virtual coins such as ethereum, ripple, litecoin and monero, faced extreme volatility and lost a minimum of $350 billion in value year-to-date due to orders from regulators and hacking. Losing billions of dollars in market cap for cryptocurrencies is not unusual. In December, bitcoin reached a high of $20,000, but dipped to $8,500 by mid-March and is now trading at $6,300.
What makes Leo Tolstoy’s magnum opus unusual is that he disputed the invasion of Russia being caused by Napoleon, or that the series of conflicts during this period were called the Napoleonic Wars. He argues that doing so makes it easy to disregard the untold millions of people who also participated in the conflict as little more than pawns on a chessboard.
While futures products still carry unique and often significant risks, they can potentially provide a more regulated and stable environment to provide some exposure to bitcoin as a commodity as well. You should carefully consider whether trading in bitcoin futures is appropriate for you in light of your experience, objectives, financial resources, and other relevant circumstances.