Labels:text | screenshot | font OCR: The screen is a 4 window chart with BJTA in the upper left. MACD [upper right] The_Moving Average Convergence/Diver- gence [MACD] indicator is calculated subtracting the value of a 0.075 [26 bu exponential moving average from a 0. 15 [12 day] exponential lay] It was developed by Gerald Appel moving average of SYSTEMS AND FORECASTS. Basic editor rules are to sell when the MACD trading oscillator falls below its 9 day trigger" Similarly, a buy signal occurs when the MACD rises above trigger . its
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