Repaints Enhanced Trend Reversal Indicator for ThinkorSwim



Staff member
Here is the Enhanced version of the popular Trend Reversal indicator available here for ThinkorSwim.

Before we jump into what's new, I just want to clarify that the new version will continue to repaint. Repainting was the problem with the original Trend Reversal. Though there is no way to fix that issue, we continue to find ways to improve it.

One way to increase the reliability of the signals is to implement additional trend reversal patterns. Included in the Enhanced version are:
  • Bullish and Bearish Engulfing candles
  • VWAP
  • Advanced Market Moves (will not be included in the public release due to obvious reason)


Here’s How it Works:

From now on, the Trend Reversal Signals will only appear on your chart if it fits the following requirement:

The reversal candle (pulled from the original version) must either be an Engulfing candle, below/above VWAP, or matches with the signal given by the Advanced Market Moves.

We assume that if any of the three conditions match up in a single candle, most likely there would be a point of reversal in trend. Of course, since this indicator repaint, it’s impossible to backtest. Hopefully, this Enhanced version will work better since additional conditions have been added.

thinkScript Code

# Enhanced Trend Reversal Indicator with Signals
# Added VWAP and Engulfing Candles
# Assembled by BenTen at
# Original developer: Bayside of Enhanced Investor 
# Original version:
# Version 1.0 (read changelog in forum)

def price = close;
def superfast_length = 9;
def fast_length = 14;
def slow_length = 21;
def displace = 0;

def mov_avg9 = ExpAverage(price[-displace], superfast_length);
def mov_avg14 = ExpAverage(price[-displace], fast_length);
def mov_avg21 = ExpAverage(price[-displace], slow_length);

# MAs part of Trend Reversal
def Superfast = mov_avg9;
def Fast = mov_avg14;
def Slow = mov_avg21;

def buy = mov_avg9 > mov_avg14 and mov_avg14 > mov_avg21 and low > mov_avg9;
def stopbuy = mov_avg9 <= mov_avg14;
def buynow = !buy[1] and buy;
def buysignal = CompoundValue(1, if buynow and !stopbuy then 1 else if buysignal[1] == 1 and stopbuy then 0 else buysignal[1], 0);

def Buy_Signal = buysignal[1] == 0 and buysignal == 1;
def Momentum_Down = buysignal[1] == 1 and buysignal == 0;

def sell = mov_avg9 < mov_avg14 and mov_avg14 < mov_avg21 and high < mov_avg9;
def stopsell = mov_avg9 >= mov_avg14;
def sellnow = !sell[1] and sell;
def sellsignal = CompoundValue(1, if sellnow and !stopsell then 1 else if sellsignal[1] == 1 and stopsell then 0 else sellsignal[1], 0);
def Sell_Signal = sellsignal[1] == 0 and sellsignal;

input method = {default average, high_low};
def bubbleoffset = .0005;
def percentamount = .01;
def revAmount = .05;
def atrreversal = 2.0;
def atrlength = 5;
def pricehigh = high;
def pricelow = low;
def averagelength = 5;
def averagetype = AverageType.EXPONENTIAL;
def mah = MovingAverage(averagetype, pricehigh, averagelength);
def mal = MovingAverage(averagetype, pricelow, averagelength);
def priceh = if method == method.high_low then pricehigh else mah;
def pricel = if method == method.high_low then pricelow else mal;
def EI = ZigZagHighLow("price h" = priceh, "price l" = pricel, "percentage reversal" = percentamount, "absolute reversal" = revAmount, "atr length" = atrlength, "atr reversal" = atrreversal);
rec EISave = if !IsNaN(EI) then EI else GetValue(EISave, 1);
def chg = (if EISave == priceh then priceh else pricel) - GetValue(EISave, 1);
def isUp = chg >= 0;
def EIL = if !IsNaN(EI) and !isUp then pricel else GetValue(EIL, 1);
def EIH = if !IsNaN(EI) and isUp then priceh else GetValue(EIH, 1);
def dir = CompoundValue(1, if EIL != EIL[1] or pricel == EIL[1] and pricel == EISave then 1 else if EIH != EIH[1] or priceh == EIH[1] and priceh == EISave then -1 else dir[1], 0);
def signal = CompoundValue(1, if dir > 0 and pricel > EIL then if signal[1] <= 0 then 1 else signal[1] else if dir < 0 and priceh < EIH then if signal[1] >= 0 then -1 else signal[1] else signal[1], 0);

# Define original signals
def bullish2 = signal > 0 and signal[1] <= 0;
def bearish2 = signal < 0 and signal[1] >= 0;

input numDevDn = -2.0;
input numDevUp = 2.0;
input timeFrame = {default DAY, WEEK, MONTH};

def cap = GetAggregationPeriod();
def errorInAggregation =
    timeFrame == timeFrame.DAY and cap >= AggregationPeriod.WEEK or
    timeFrame == timeFrame.WEEK and cap >= AggregationPeriod.MONTH;
Assert(!errorInAggregation, "timeFrame should be not less than current chart aggregation period");

def yyyyMmDd = GetYYYYMMDD();
def periodIndx;
switch (timeFrame) {
case DAY:
    periodIndx = yyyyMmDd;
case WEEK:
    periodIndx = Floor((DaysFromDate(First(yyyyMmDd)) + GetDayOfWeek(First(yyyyMmDd))) / 7);
case MONTH:
    periodIndx = RoundDown(yyyyMmDd / 100, 0);
def isPeriodRolled = CompoundValue(1, periodIndx != periodIndx[1], yes);

def volumeSum;
def volumeVwapSum;
def volumeVwap2Sum;

if (isPeriodRolled) {
    volumeSum = volume;
    volumeVwapSum = volume * vwap;
    volumeVwap2Sum = volume * Sqr(vwap);
} else {
    volumeSum = CompoundValue(1, volumeSum[1] + volume, volume);
    volumeVwapSum = CompoundValue(1, volumeVwapSum[1] + volume * vwap, volume * vwap);
    volumeVwap2Sum = CompoundValue(1, volumeVwap2Sum[1] + volume * Sqr(vwap), volume * Sqr(vwap));
def priceVWAP = volumeVwapSum / volumeSum;
def deviation = Sqrt(Max(volumeVwap2Sum / volumeSum - Sqr(priceVWAP), 0));

def VWAP = priceVWAP;
#plot UpperBand = priceVWAP + numDevUp * deviation;
#plot LowerBand = priceVWAP + numDevDn * deviation;
def UpVWAP = price > VWAP;
def DownVWAP = price < VWAP;

# Engulfing Candles. Snippets from @ConfluenceCptl
def BodyMax = Max(open, close);
def BodyMin = Min(open, close);
def IsEngulfing = BodyMax > BodyMax[1] and
BodyMin < BodyMin[1];

# Define Signals with VWAP
def bullish_vwap = UpVWAP and bullish2;
def bearish_vwap = DownVWAP and bearish2;

# Plot Signals with VWAP
plot bull_vwap = bullish_vwap;
plot bear_vwap = bearish_vwap;

# Define Signals with Engulfing Candles
def bullish_engulf = bullish2 and Isengulfing and close > open;
def bearish_engulf = bearish2 and Isengulfing and close < open;

# Plot Signals with Engulfing Candles
plot bull_engulf = bullish_engulf;
plot bear_engulf = bearish_engulf;

AddLabel(yes,"Signals w/ VWAP",color.CYAN);
AddLabel(yes,"Signals w/ Engulfing",color.WHITE);

# Configurations
input bEngulf = yes;
input sEngulf = yes;
input bVWAP = yes;
input sVWAP = yes;

Shareable Link:


There will be a lot of signals on your chart, however, I have color-coded them. You can also disable any type of arrows right from the indicator’s settings page. You don’t have to edit anything in the source code.



Version 1.0: Initial version

Feel free to test it out and let me know. I heard a lot of positive feedback from members using the original version.

Video Tutorial



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Last edited:

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Nice Ben. Are we able to scan against it yet or maybe in a later version?? When I tried to set up a scan and/or add the conditions of the bull/bear plots the indication was "the complexity of the expression suggests that is may not be reliable with real-time data" and then I can't save it?
Since this repaints similar to the original trend reversal indicator, does that mean that the chart removes the arrows after an event takes place? If so, what is the event? Is it a stop loss? Unlike the original indicator, this one doesn't provide a stop loss, so I'm unsure of why it would repaint if there isn't a stop loss to trigger. Also, what's the most reliable time frame?


I am new here and was wondering what you were referring to in your original post on this thread when you said “Advanced Market Moves”.

Is that for VIP members only or something else?

Thank You!
@KevinSammy That's correct. The regular version which is included in this post will only include the trend reversal with VWAP and Engulfing candles.
@bdbald Due to the complexity of this version you can't scan for signals. However, the original version should work though.
Thanks Ben, All. Still no scanning on the Enhanced Trend Reversal (updated) version?? With that if we have one or more charts open would we see a signal in the message tab/field if it were triggered?? Thanks for your support. I also signed up for Warehouse. VIctor
@victorfvm Due to the complexity of this version, the scanner will not work. There is no workaround it. If you have multiple charts running then you will get alerted that way. And yes, those alerts will appear on your Message tab.

Added you to Warehouse :)
Hi Ben, new to the forum here and new to TOS and Thinkscript. I've been browsing around here and found the enhanced trend reversal indicator very interesting. I converted it into a strategy to do some back testing. Getting good results.
But as I read more, I noticed something called "repainting". Can someone explain what this is?
Does it mean back testing results cannot be fully trusted?
PS - to add, I ran my back test on the 5m timeframe.

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