An octagonal platform on the trading floor of an exchange, consisting of steps upon which traders and brokers stand while trading (If circular. called a "ring").
The amount by which a given futures contract's price or commodity's quality exceeds that of another contract or commodity (opposite of discount). In options, the price of a call or put, which the buyer initially pays to the option writer (seller).
In options. the buyer of a put has the right to acquire a short position in the underlying futures contract at the strike price until the option expires; the seller (writer) of the put obligates himself to take a long position in the futures at the strike price if the buyer exercises his put.