ZF Capital

NO MATTER AT what level you play the trading game, you’ve got to understand what business you’re really in. And when you buy XYZ Widgets at 90, you aren’t getting into the widget business. You’re getting into the business of providing liquidity to a company’s float — in this case, XYZ above 90.

What moves stocks, bonds or anything else is the relationship between demand and supply. By definition, traders and speculators profit by adding liquidity to illiquid markets. Doesn’t matter if it’s Cisco Systems (CSCO) or soybeans, traders narrow the spreads between the price at which someone’s willing to sell and the price at which someone else is willing to buy, bringing down the cost of execution. Trading isn’t about predicting the future, but about gaming the liquidity demands for a particular security. Generally speaking, I want to be long illiquid markets and short liquid markets.

First, a little background. You can’t imagine how drastically the liquidity picture has changed in just a few short years. Back in the early 1990s, when most market pros still referred to the Nasdaq as the “over-the-counter” market, stocks traded in eighths. That meant there were only eight “price points” within a particular dollar increment in which you could own Nasdaq stocks. And while 12.5 cents — one-eighth of a dollar — was the minimum spread between every price fluctuation, many stocks traded with half-point spreads or more. With mutual funds exploding in popularity and a huge influx of Internet-driven retail trade, this made making markets a very profitable business. In a sense, you had a big “edge” on every trade. (more…)