In the stock market, an order of at least 100 shares, or one that is in 100-share increments. In contrast, an odd lot is an order for some amount that is not divisible by 100 shares. In the money market industry, a round lot is the minimum amount that bondÂ’s prices are quoted in. This amount may range from $100,000 to $50 million, depending on the issue, its size, and liquidity.