The box 2 would normally say short or long-term, but the ordinary box may be checked as well if a portion of the gain may result in ordinary income. Since short-term gains are typically taxed as ordinary income anyways, it is not likely the box being checked will affect your tax. You can check with the company that issued the form or the paperwork that accompanied it if you need further clarification. You can also read the instructions to Form 1099-B for a more detailed explanation.