Just like the concept of buying stocks/shares in the stock market or Philippine Stock Exchange. People selling the bitcoins to the other people to obtain more profit by adding a mark-up cost. Many people use this kind opportunity to gain more money if they know that bitcoin is in demand. They become the retailer for bitcoins that they will buy as much as they can and sell it for a higher price. Most of this jobs are called freelance broker.
Individuals essentially utilize bitcoins for guarding their cash for exchanging cash and furthermore for business that is the reason individuals offer there bitcoins to restore their cash back and furthermore with some benefit that is the reason on the off chance that you need to procure cash or needs to protect cash at that point change over it into bitcoins and after that offer it again at whatever point you need.