For example, the price difference of Bank A was 8 yuan, when the gold market price was 5420 yuan per ounce, and the bank's listing price was 54 16-5424 yuan (that is, the buying price was 54 16 yuan, the selling price was 5424 yuan, and the bid-ask difference was 8 yuan). At this time, the customer bought it for 5424 yuan. When the price of gold in the gold market rises to 5430 yuan, if customers sell it at 5426 yuan at this time, they can make a profit in 2 yuan (5426 yuan -5424 yuan =2 yuan). Meanwhile, if the price difference of Bank B is 14 yuan, when the gold price in the gold market is 5420 yuan, the buying and selling price is 54 13-5427 yuan (that is, the buying price is 54 14 yuan). Similarly, the customer bought it at 5427 yuan. When the price of gold in the gold market rose to 5430 yuan, the price of the bank was changed to 5423-5437 yuan. At this point, if the customer sells at 5423 yuan, it will lose 4 yuan. This shows that although the fluctuation of gold price in the gold market is the same, the same investment will have different results because of the difference in price difference. Of course, taking Bank B in the above example as an example, if customers sell it at the bank listing price of 5433-5447 yuan until the gold price in the market rises to 5440 yuan, they can also make profits in 6 yuan. But at this time, the customer of Bank A in 8 yuan gets the income of 12 yuan (sold at the bank listing price of 5436-5444 yuan,

Many investors who buy gold think that it is safest to put it where they can get it, and even think that it will be replaced or damaged if they put it elsewhere, so they often want to carry it with them or store it under their own safes or beds. In fact, this is very stupid. Because they can completely store the real money they bought in a gold bank or a bank without having to take it home for storage.