Adding AddOrder to existing ParabolicSAR script

fernandesj

New member
VIP
Hello All, Newbie here. I am trying to use the Floating PL study to see how this works (for /ES) and I would like to add the AddOrder functionality to the ParabolicSAR study which I have pasted below. I know I have no idea what I am doing with thinkscript

but what I would like to do is

1. when the state goes from short to long or from init to long I would like to buy one futures contract.
2. when the state goes from long to short I would like to sell (to close) one futures contract
3. when the initial state is short (no action at this time)

I hope someone can help straighten me out.

### Code Below ###
Ruby:
input accelerationFactor = 0.02;
input accelerationLimit = 0.2;
input quantity = 1;

assert(accelerationFactor > 0, "'acceleration factor' must be positive: " + accelerationFactor);
assert(accelerationLimit >= accelerationFactor, "'acceleration limit' (" + accelerationLimit + ") must be greater than or equal to 'acceleration factor' (" + accelerationFactor + ")");

def state = {default init, long, short};
def extreme;
def SAR;
def acc;

switch (state[1]) {
case init:
state = state.long;
acc = accelerationFactor;
extreme = high;
SAR = low;
case short:
if (SAR[1] < high)
then {
state = state.long;
acc = accelerationFactor;
extreme = high;
SAR = extreme[1];

} else {
state = state.short;
AddOrder(OrderType.Sell_To_Close,SAR, close, quantity);
if (low < extreme[1])
then {
acc = min(acc[1] + accelerationFactor, accelerationLimit);
extreme = low;
} else {
acc = acc[1];
extreme = extreme[1];
}
SAR = max(max(high, high[1]), SAR[1] + acc * (extreme - SAR[1]));
}

case long:
if (SAR[1] > low)
then {
state = state.short;
acc = accelerationFactor;
extreme = low;
SAR = extreme[1];
} else {
state = state.long;
if (high > extreme[1])
then {
acc = min(acc[1] + accelerationFactor, accelerationLimit);
extreme = high;
} else {
acc = acc[1];
extreme = extreme[1];
}
SAR = min(min(low, low[1]), SAR[1] + acc * (extreme - SAR[1]));
}
}

plot parSAR = SAR;
parSAR.SetPaintingStrategy(PaintingStrategy.POINTS);
parSAR.SetDefaultColor(GetColor(5));

#AddOrder(OrderType.Buy_To_Open, SAR, close, quantity);
#AddOrder(OrderType.Sell_To_Close, SAR, close, quantity);
 
Last edited by a moderator:
Solution
Hello All, Newbie here. I am trying to use the Floating PL study to see how this works (for /ES) and I would like to add the AddOrder functionality to the ParabolicSAR study which I have pasted below. I know I have no idea what I am doing with thinkscript

but what I would like to do is

1. when the state goes from short to long or from init to long I would like to buy one futures contract.
2. when the state goes from long to short I would like to sell (to close) one futures contract
3. when the initial state is short (no action at this time)

I hope someone can help straighten me out.

See if this helps. This has to be copied and pasted in the Strategy Tab.

Capture.jpg
Ruby:
#
# TD Ameritrade IP Company, Inc. (c) 2008-2021
#...
Hello All, Newbie here. I am trying to use the Floating PL study to see how this works (for /ES) and I would like to add the AddOrder functionality to the ParabolicSAR study which I have pasted below. I know I have no idea what I am doing with thinkscript

but what I would like to do is

1. when the state goes from short to long or from init to long I would like to buy one futures contract.
2. when the state goes from long to short I would like to sell (to close) one futures contract
3. when the initial state is short (no action at this time)

I hope someone can help straighten me out.

See if this helps. This has to be copied and pasted in the Strategy Tab.

Capture.jpg
Ruby:
#
# TD Ameritrade IP Company, Inc. (c) 2008-2021
#

input accelerationFactor = 0.02;
input accelerationLimit = 0.2;

Assert(accelerationFactor > 0, "'acceleration factor' must be positive: " + accelerationFactor);
Assert(accelerationLimit >= accelerationFactor, "'acceleration limit' (" + accelerationLimit + ") must be greater than or equal to 'acceleration factor' (" + accelerationFactor + ")");

def state = {default init, long, short};
def extreme;
def SAR;
def acc;

switch (state[1]) {
case init:
    state = state.long;
    acc = accelerationFactor;
    extreme = high;
    SAR = low;
case short:
    if (SAR[1] < high)
    then {
        state = state.long;
        acc = accelerationFactor;
        extreme = high;
        SAR = extreme[1];
    } else {
        state = state.short;
        if (low < extreme[1])
        then {
            acc = Min(acc[1] + accelerationFactor, accelerationLimit);
            extreme = low;
        } else {
            acc = acc[1];
            extreme = extreme[1];
        }
        SAR = Max(Max(high, high[1]), SAR[1] + acc * (extreme - SAR[1]));
    }
case long:
    if (SAR[1] > low)
    then {
        state = state.short;
        acc = accelerationFactor;
        extreme = low;
        SAR = extreme[1];
    } else {
        state = state.long;
        if (high > extreme[1])
        then {
            acc = Min(acc[1] + accelerationFactor, accelerationLimit);
            extreme = high;
        } else {
            acc = acc[1];
            extreme = extreme[1];
        }
        SAR = Min(Min(low, low[1]), SAR[1] + acc * (extreme - SAR[1]));
    }
}

plot parSAR = SAR;
parSAR.SetPaintingStrategy(PaintingStrategy.POINTS);
parSAR.SetDefaultColor(GetColor(5));

#1. when the state goes from short to long or from init to long I would like to buy one futures contract.
def buy = if state[1] == state.short and state == state.long or state[1] == state.init and state == state.long then 1 else 0;
AddOrder(condition = buy, type = OrderType.BUY_TO_OPEN, name = "SAR Buy Strategy", arrowColor = Color.WHITE);

#2. when the state goes from long to short I would like to sell (to close) one futures contract
def sell = if state[1] == state.long and state == state.short then 1 else 0;
AddOrder(type = OrderType.SELL_TO_CLOSE, condition = sell, name = "SAR Sell Strategy", arrowColor = Color.YELLOW);

#3. when the initial state is short (no action at this time)
 
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