Parabolic SAR indicator, based on Welles Wilder's Parabolic Time/Price Strategy, plots a parabolic curve taking into consideration the market's price and time relations. The indicator plots a parabolic curve,
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During the calculation, the parabolic curve crosses over and under the price. When the parabolic curve goes below the current prices the market is considered bullish, and when the curve is crosses above the current prices, the market is considered bearishit may indicate a down trend.
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'''AfLimit (.2)''' - Limitation of acceleration factor.