Quick-tip 86 demonstrates a simple indicator for TradeStation Radarscreen that has 3 columns: 3 input columns and one column that displays “buy” or “sell” depending on the price of the last trade.br br The user inputs a “top” price, a “bottom” price and an adjustment amount (input: Near). br br A further column displays "BUY" or "SELL" depending on the last price and the user inputs.