CMU: The fallacy of “more buyers than sellers”

Cracked.Market University

Spend any time following the markets and you are bound to hear the phrase, “The market went up today because there were more buyers than seller.” You hear the opposite on down days when “there were more sellers than buyers.”

While that shorthand works well enough for casual market commentary, it is factually inaccurate. The first thing to realize is the market doesn’t create or store stocks. The stock market doesn’t have printing presses or storage vaults in the basement. At its core, exchanges only do what their name suggests, act as a meeting places for people to exchange stocks and money.

One hundred shares arrive at in one person’s possession, some money changes hands, and they leave in another person’s account. After the market closes, all the money and stocks go home with their owners. There is nothing left behind but an empty trading floor. Stocks and money was created or destroyed, all it did was change owners.

The fact stocks cannot be created or destroyed means for every stock sold, there is one and only one stock bought. To further complicate the situation, the number of buyers and sellers can vary and doesn’t have a bearing on whether prices go up or down. A large buyer can buy from dozens of sellers, or one seller can sell to dozens of buyers. The only thing that matters is the number of shares available for sale and the amount of money willing to buy those shares.

So as a matter of rule, there can never be more stock bought than sold. But there can be more people interested in buying than selling, or selling than buying. This is where market price plays the role of matchmaker and finds the exact balance point between buyers and sellers.

If a good piece of news comes out that creates additional interest in a stock, all these excited buyers start looking for sellers. But sometimes there are not enough sellers to meet demand. In these cases, buyers start offering a premium price to persuade owners to sell their stock. When enough buyers bid up the price, the rising price changes the supply and demand dynamic. At a the new higher price, some people are less interested in buying and drop out of the market. Other owners find the new higher price irresistible and are now converted into willing sellers.

The thing to remember is the number of stocks sold is always exactly equal to the number of stocks bought. The driver making this exact balance possible is the ever-changing price. Every time the price moves, even a penny, it is finding the exact balance point where the amount of stock for sale matches the amount of money willing to buy it. Prices might seem to wander randomly, but there is a very real purpose for every tick of the tape.

Jani

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