Request: A formula that trails a stop/level when a certain price is breached.

MrBackwardation

New member
Hello, I had a request for a formula that trails a stop based on the cross of a price level. It would also preferably detect whether an entry is long or short, but I have a sloppy workaround if that's not possible (I set a parameter for if entry price is between two levels).
For example, if stock X has levels of A, B, and C, I want to have a stop at A when price is entered at D. If price closes above B, I want to move my stop to E. And if price closes above C, I want to move my stop to F.
I have tried creating an "if A then D else if B then E else if..." chain for my parameters, but it does not plot. I've tried utilizing the "close crosses over A" terminology, but for some reason it does not work. Here is my failed attempt:

plot R4_trail = if close > h4 then stopLevel_h3m_L

else if close crosses above h4m then stopLevel_h4_L

else if close crosses above h5 then stopLevel_h5_L

else if close crosses above (h5 + 5.00) then (stopLevel_h5_L + 5.00)

else if close crosses above (h5 + 10.00) then (stopLevel_h5_L +10.00)

else if close crosses above (h5 + 15.00) then (stopLevel_h5_L +15.00)

else if close crosses above (h5 + 20.00) then (stopLevel_h5_L +20.00)

else if close crosses above (h5 + 25.00) then (stopLevel_h5_L +25.00);
Then I would have created a condition to detect if the trade was long, then simply sell to close when low crossed below the R4_trail.

The notable levels are h4, h4m, h5, then h5+5,10,15...

Thanks in advance!
 
Hello, I had a request for a formula that trails a stop based on the cross of a price level. It would also preferably detect whether an entry is long or short, but I have a sloppy workaround if that's not possible (I set a parameter for if entry price is between two levels).
For example, if stock X has levels of A, B, and C, I want to have a stop at A when price is entered at D. If price closes above B, I want to move my stop to E. And if price closes above C, I want to move my stop to F.
I have tried creating an "if A then D else if B then E else if..." chain for my parameters, but it does not plot. I've tried utilizing the "close crosses over A" terminology, but for some reason it does not work. Here is my failed attempt:


Then I would have created a condition to detect if the trade was long, then simply sell to close when low crossed below the R4_trail.

The notable levels are h4, h4m, h5, then h5+5,10,15...

Thanks in advance! hal_target_step


maybe this will help ?
this draws horizontal lines for a target and a stop.

when close moves above the target line, both lines move up, by the target step amount.
when close moves below the stop line, both lines move down, by the stop step amount.

the default target step level is $0.80
the default stop step level is $0.40


Code:
# stop_level_ver2_00a

#https://usethinkscript.com/threads/request-a-formula-that-trails-a-stop-level-when-a-certain-price-is-breached.14635/
#Request: A formula that trails a stop/level when a certain price is breached.
#MrBackwardation   #2/26  #1

#--------------------------------

def na = double.nan;
def bn = barnumber();

#input stop_levels_type = { default percent , dollar };
input gain_step = 0.8;
input loss_step = 0.4;


def target;
def stop;
if bn == 1 then {
 target = open + gain_step;
 stop = open - loss_step;
} else if close > target[1] then {
 target = target[1] + gain_step;
 stop = stop[1] + gain_step;
} else if close < stop[1] then {
 target = target[1] - loss_step;
 stop = stop[1] - loss_step;
} else {
 target = target[1];
 stop = stop[1];
}


plot ztarget = if isnan(close) then na else target;
ztarget.SetPaintingStrategy(PaintingStrategy.HORIZONTAL);
#zbuy_level.SetStyle(Curve.MEDIUM_DASH);
ztarget.SetDefaultColor(Color.white);
ztarget.setlineweight(1);
ztarget.hidebubble();

plot zstop = if isnan(close) then na else stop;
zstop.SetPaintingStrategy(PaintingStrategy.HORIZONTAL);
#zstop.SetStyle(Curve.MEDIUM_DASH);
zstop.SetDefaultColor(Color.white);
zstop.setlineweight(1);
zstop.hidebubble();

#

1MXGnGG.jpg
 
Last edited:

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maybe this will help ?
this draws horizontal lines for a target and a stop.

when close moves above the target line, both lines move up, by the target step amount.
when close moves below the stop line, both lines move down, by the stop step amount.

the default target step level is $0.80
the default stop step level is $0.40


Code:
# stop_level_ver2_00a

#https://usethinkscript.com/threads/request-a-formula-that-trails-a-stop-level-when-a-certain-price-is-breached.14635/
#Request: A formula that trails a stop/level when a certain price is breached.
#MrBackwardation   #2/26  #1

#--------------------------------

def na = double.nan;
def bn = barnumber();

#input stop_levels_type = { default percent , dollar };
input gain_step = 0.8;
input loss_step = 0.4;


def target;
def stop;
if bn == 1 then {
 target = open + gain_step;
 stop = open - loss_step;
} else if close > target[1] then {
 target = target[1] + gain_step;
 stop = stop[1] + gain_step;
} else if close < stop[1] then {
 target = target[1] - loss_step;
 stop = stop[1] - loss_step;
} else {
 target = target[1];
 stop = stop[1];
}


plot ztarget = if isnan(close) then na else target;
ztarget.SetPaintingStrategy(PaintingStrategy.HORIZONTAL);
#zbuy_level.SetStyle(Curve.MEDIUM_DASH);
ztarget.SetDefaultColor(Color.white);
ztarget.setlineweight(1);
ztarget.hidebubble();

plot zstop = if isnan(close) then na else stop;
zstop.SetPaintingStrategy(PaintingStrategy.HORIZONTAL);
#zstop.SetStyle(Curve.MEDIUM_DASH);
zstop.SetDefaultColor(Color.white);
zstop.setlineweight(1);
zstop.hidebubble();

#

1MXGnGG.jpg
Thanks for digging this up. Is there anyway to add a formula that tells you the risk/reward with the plotted stop and target?
 
maybe this will help ?
this draws horizontal lines for a target and a stop.

when close moves above the target line, both lines move up, by the target step amount.
when close moves below the stop line, both lines move down, by the stop step amount.

the default target step level is $0.80
the default stop step level is $0.40


Code:
# stop_level_ver2_00a

#https://usethinkscript.com/threads/request-a-formula-that-trails-a-stop-level-when-a-certain-price-is-breached.14635/
#Request: A formula that trails a stop/level when a certain price is breached.
#MrBackwardation   #2/26  #1

#--------------------------------

def na = double.nan;
def bn = barnumber();

#input stop_levels_type = { default percent , dollar };
input gain_step = 0.8;
input loss_step = 0.4;


def target;
def stop;
if bn == 1 then {
 target = open + gain_step;
 stop = open - loss_step;
} else if close > target[1] then {
 target = target[1] + gain_step;
 stop = stop[1] + gain_step;
} else if close < stop[1] then {
 target = target[1] - loss_step;
 stop = stop[1] - loss_step;
} else {
 target = target[1];
 stop = stop[1];
}


plot ztarget = if isnan(close) then na else target;
ztarget.SetPaintingStrategy(PaintingStrategy.HORIZONTAL);
#zbuy_level.SetStyle(Curve.MEDIUM_DASH);
ztarget.SetDefaultColor(Color.white);
ztarget.setlineweight(1);
ztarget.hidebubble();

plot zstop = if isnan(close) then na else stop;
zstop.SetPaintingStrategy(PaintingStrategy.HORIZONTAL);
#zstop.SetStyle(Curve.MEDIUM_DASH);
zstop.SetDefaultColor(Color.white);
zstop.setlineweight(1);
zstop.hidebubble();

#

1MXGnGG.jpg
Hal, Any way to make this work for both directions? When I test this, It works as planned in an uptrend but, when in a down trend the stops and profits are backwards. Seems like it would be tough to accomplish as a pull back would put stops and profits as the opposite. Am I seeing this correctly?
 
Hal, Any way to make this work for both directions? When I test this, It works as planned in an uptrend but, when in a down trend the stops and profits are backwards. Seems like it would be tough to accomplish as a pull back would put stops and profits as the opposite. Am I seeing this correctly?
should be able to.
i'm away.. will look at tonight or tomorrow
 
Last edited:

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