# Parabolic Stop and Reversal (Parabolic SAR)

Author Welles Wilder developed the Parabolic SAR. This indicator is always in the market (whenever a position is closed, an opposing position is taken). The Parabolic SAR indicator is most often used to set trailing price stops.

```BUY{
SET PS = PSAR(0.2,0.02);
SET MA = EMA(PS,21);
SET MA2 = SMA(CLOSE,50);
CROSSOVER(MA,PS) AND CLOSE < MA2;}

LONGEXIT{
SET PS = PSAR(0.2,0.02);
SET MA = EMA(PS,21);
SET MA2 = SMA(CLOSE,50);
CROSSOVER(PS,MA) AND CLOSE > MA2;}
```

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# Supertrend-Parabolic Stop and Reversal Strategy(PSAR) Strategy

When the Supertrend closes below the Price, a Buy signal may be generated, and when the Supertrend closes above the Price, a Sell signal can be generated.

BUY : When current close crossed above PSAR and current close greater than supertrend and EMA 9 period is greater than EMA 21 period.

SELL : When current close is less than PSAR and current close is less than supertrend and EMA 15 period crossed above ema 9 period.

```BUY{
set ma1 = EMA(CLOSE,9);
set ma2 = EMA(CLOSE,21);
set st = SUPERTREND(10,2,SIMPLE);
set ps = PSAR(0.2,0.02);
CROSSOVER(CLOSE,ps) and CLOSE > st and ma1 > ma2;}```
```LONGEXIT{
set ma1 = EMA(CLOSE,9);
set ma2 = EMA(CLOSE,15);
set st = SUPERTREND(10,2,SIMPLE);
set ps = PSAR(0.2,0.02);
ps > CLOSE and CLOSE < st and CROSSOVER(ma2,ma1);}```

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# Stochastic Momentum Index(SMI)-Parabolic Stop and Reversal(PSAR) Strategy

SMI shows where the close is relative to the midpoint of the same range.PSAR trails price as the trend extends over time. The indicator is below prices when prices are rising and above prices when prices are falling.

BUY : When current close crossed above PSAR and SMI %K LINE crossed above %D line and EMA 9 period is greater than EMA 21 period.

SELL : When current close crossed below PSAR and SMI %K LINE crossed above %D line and EMA 9 period is greater than EMA 21 period.

```BUY{
set ma1 = EMA(CLOSE,9);
set ma2 = EMA(CLOSE,15);
set smik = SMIK(14,2,3,9,SIMPLE,SIMPLE) ;
set smid = SMId(14,2,3,9,SIMPLE,SIMPLE) ;
CROSSOVER(CLOSE,PSAR(0.2,0.02)) and CROSSOVER(smik,smid) and ma1 > ma2;}```
```LONGEXIT{
set ma1 = EMA(CLOSE,9);
set ma2 = EMA(CLOSE,15);
set smik = SMIK(14,2,3,9,SIMPLE,SIMPLE) ;
set smid = SMId(14,2,3,9,SIMPLE,SIMPLE) ;
CROSSOVER(PSAR(0.2,0.02),CLOSE) or CROSSOVER(smid,smik) and ma1 < ma2;}

```

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# EMA, SUPERTREND and PARABOLIC SAR intraday strategy

Supertrend indicator is a trend following indicator which can be used to identify upward or downward trends.A stop and reversal (SAR) occurs when the price penetrates a Parabolic SAR level.

BUY :When Current close is greater than supertrend and parabolic sar and current low crossed above ema of period 100 and current open=current low.

SELL: When supertrend crossed above ema of period 13.

```BUY{
set su = SUPERTREND(7,3,SIMPLE);
set ma1 = EMA(CLOSE,100);
set ps = PSAR(0.2,0.02);
CLOSE > su and CLOSE > ps and CROSSOVER(LOW,ma1) and OPEN = LOW;}

LONGEXIT{
set su = SUPERTREND(7,3,SIMPLE);
CROSSOVER(su,EMA(CLOSE,13));}```

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