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             Scalp 
             
             
            To
            trade for small gains. Scalping normally involves
            establishing and liquidating a position quickly, usually within the
            same day, hour or even just a few minutes. 
             
             
            Selective hedger
            
             
             
            A
            person who hedges only when he or she believes that prices are
            likely to move against him or her. 
             
             
            Selling climax
            
             
             
            An
            extraordinarily high volume occurring suddenly in a downtrend
            signaling the end of the trend. 
             
             
            Serial options
            
             
             
            Options
            for months for which there are no futures contracts. The underlying
            futures contract for a serial option month would be the next nearby
            futures contract. 
             
             
            Settlement price
            
             
             
            A
            figure determined by the closing range that is used to calculate
            gains and losses in futures market accounts, performance bond calls
            and invoice prices for deliveries. See Closing range. 
             
             
            Short 
             
             
            One
            who has sold a futures contract to establish a market position and
            who has not yet closed out this position through an offsetting
            procedure. The opposite of long. 
             
             
            Short cash 
             
             
            Describes
            a trader who needs and plans to buy a commodity. 
             
             
            Short hedge 
             
             
            The
            sale of a futures contract in anticipation of a later cash market
            sale. Used to eliminate or lessen the possible decline in value of
            ownership of an approximately equal amount of the cash financial
            instrument or physical commodity. See Hedge. 
             
             
            Sideways trend
            
             
             
            Seen
            in a bar chart when prices tend not to go above or below a certain
            range of levels. 
             
             
            Speculator 
             
             
            One
            who attempts to anticipate price changes and, through buying and
            selling futures contracts, aims to make profits. Does not use the
            futures market in connection with the production, processing,
            marketing or handling of a product. The speculator has no interest
            in taking delivery. 
             
             
            Spot Price 
             
             
            See
            Cash price. 
             
             
            Spread 
             
             
            The
            price difference between two contracts. Holding a long and a short
            position in two related futures or options on futures contracts,
            with the objective of profiting from a changing price relationship. 
             
             
            Spread order
            
             
             
            An
            order that indicates the purchase and sale of futures contracts
            simultaneously. 
             
             
            Spread trade
            
             
             
            The
            simultaneous purchase and sale of futures contracts for the same
            commodity or instrument for delivery in different months or in
            different but related markets. A spreader is not concerned
            with the direction in which the market moves, but only with the
            difference between the prices of each contract. 
             
             
            Stop close only
            order 
             
             
            A
            stop order that is executed only during the closing range of the
            trading session. 
             
             
            Stop limit order
            
             
             
            An
            order that becomes a limit order only when the market trades at a
            specified price. 
             
             
            Stop order 
             
             
            An
            order that becomes a market order only when the market trades at a
            specified price. 
             
             
            Stop with a
            price limit 
             
             
            A
            stop order with a specified worst price at which the order can be
            filled. 
             
             
            Storage gain
            
             
             
            The
            selling price received after storage minus the previous harvest
            market price. 
             
             
            Straddle 
             
             
            The
            purchase of a put and a call, in which the options have the same
            expiration and same strike price, called a long straddle.
            Also, the sale of both a put and a call in which the options have
            the same expiration and same strike price, called a short
            straddle. 
             
             
            Strangle 
             
             
            The
            purchase of a put and a call, in which the options have the same
            expiration and the put strike is lower than the call strike, called
            a long strangle. Also the sale of a put and a call, in which
            the options have the same expiration and the put strike is lower
            than the call strike, call a short strangle. 
             
             
            Strike price
            
             
             
            The
            price at which the option buyer may purchase or sell the underlying
            futures contract upon exercise. See Exercise price. 
             
             
            Supply 
             
             
            The
            quantity of a commodity that producers are willing to provide to the
            market at a given price. 
             
             
            Symmetrical
            triangles 
             
             
            A
            price formation that can either signal a reversal or a continuation
            of price movement. 
             
             
            Synthetic
            futures 
             
             
            A
            combination of a put and a call with the same strike price, in which
            both are bullish, called synthetic long futures. Also, a
            combination of a put and a call with the same strike price, in which
            both are bearish, called synthetic short futures. 
             
             
            Synthetic call
            option 
             
             
            A
            combination of a long futures contract and a long put, called a synthetic
            long call. Also, a combination of a short futures contract and a
            short put, called a synthetic short call. 
             
             
            Synthetic option
            
             
             
            A
            combination of a futures contract and an option, in which one is
            bullish and one is bearish. 
             
             
            Synthetic put
            option 
             
             
            A
            combination of a short futures contract and a long call, called a synthetic
            long put. Also, a combination of a long futures contract and a
            short call, called a synthetic short put. 
             
             
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