Bollinger Band Squeeze

   Thank you, cmacdon, for so generously sharing your Bollinger
Band Squeeze indicator with us in the Bullscript sub forum. For other members, if the indicator does not at
first appear as in cmacdon’s demonstration chart, do as he suggests...right
click properties and turn on the features you want in the Style tab. I was like
a kid in a lolly shop and just ploughed straight in without reading his full
instructions J

When I get my head fully around all the features I will try
to convert this into a scan for your “Bingo” BBsqueezes, and report back here
with it for your scrutiny.

I am still curious to learn how I could scan for my original
idea, since I have been in this situation before with other scans..i.e. how extreme
is today’s whatever indicator eg.  A candlestick
pattern such as Big White Tower..how big is todays BWT compared with previous
examples for that share.  

Anyway, back to Boll Bands. How could I use a function such
as barssince, to scan say the entire ASX 200 to produce a list that tells me
how today’s bandwidth compares with previous ones... I realise your ATR filter
is doing something similar. I suppose I’m just trying to figure out how a
fetrure such as barssince works.

If today’s Bollinger Bandwidth is not particularly narrow it
would return a value of 0 or 1..i.e. it’s the narrowest it’s been in only one
day..maybe not even contracting at all but expanding. But if it’s the narrowest
in say 201 days then place that result in a column. Then I sort that column and
focus my attention on the top 10 narrowest, using your Bingo indicator as
confirmation.

Thank you most kindly again for your help.

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cudderbean Members Profile Send Private Message Find Members Posts Add to Buddy List Regular Joined: 02 Oct 2006 Location: Thailand Posts: 40	Post Options Post Reply Quote cudderbean Report Post Quote Reply Topic: Bollinger Band Squeeze Posted: 16 Mar 2015 at 10:23pm
	Thank you, cmacdon, for so generously sharing your Bollinger Band Squeeze indicator with us in the Bullscript sub forum. For other members, if the indicator does not at first appear as in cmacdon’s demonstration chart, do as he suggests...right click properties and turn on the features you want in the Style tab. I was like a kid in a lolly shop and just ploughed straight in without reading his full instructions J When I get my head fully around all the features I will try to convert this into a scan for your “Bingo” BBsqueezes, and report back here with it for your scrutiny. I am still curious to learn how I could scan for my original idea, since I have been in this situation before with other scans..i.e. how extreme is today’s whatever indicator eg. A candlestick pattern such as Big White Tower..how big is todays BWT compared with previous examples for that share. Anyway, back to Boll Bands. How could I use a function such as barssince, to scan say the entire ASX 200 to produce a list that tells me how today’s bandwidth compares with previous ones... I realise your ATR filter is doing something similar. I suppose I’m just trying to figure out how a fetrure such as barssince works. If today’s Bollinger Bandwidth is not particularly narrow it would return a value of 0 or 1..i.e. it’s the narrowest it’s been in only one day..maybe not even contracting at all but expanding. But if it’s the narrowest in say 201 days then place that result in a column. Then I sort that column and focus my attention on the top 10 narrowest, using your Bingo indicator as confirmation. Thank you most kindly again for your help.

cmacdon Members Profile Send Private Message Find Members Posts Add to Buddy List BullCharts Guru Joined: 09 Sep 2012 Location: Brisbane Posts: 236	Post Options Post Reply Quote cmacdon Report Post Quote Reply Posted: 11 Mar 2015 at 3:55pm
	I will post an indicator that should give you all the control you want over BB squeezes in the Bullscript section
	BC User since June 2007

cudderbean Members Profile Send Private Message Find Members Posts Add to Buddy List Regular Joined: 02 Oct 2006 Location: Thailand Posts: 40	Post Options Post Reply Quote cudderbean Report Post Quote Reply Posted: 26 Jan 2015 at 4:00pm
	Not sure if you had a more recent reply than mine. I coded this very crude scan for looking back on the lowest BB squeeze in 51 days. The codes that it throws up, you can then sort by lowest squeeze etc. {Variables} bbw := formula("Bollinger Bandwidth", Close, Simple, 20, 2); BBup := formula("Bollinger Bands", Close, Simple, 20, 2); BBdn := formula("Bollinger Bands[3]", Close, Simple, 20, 2); BBmid := formula("Bollinger Bands[2]", Close, Simple, 20, 2); {Condition} filter := bbw<hist(llv(bbw,50),1) {today is less than lowest bandwidth in 50 days} and (BBup<=hist(BBup,1)) {Bands squeezing} and (BBdn>=hist(BBdn,1)); filter; {Columns} [name="Bandwidth"; dp="3"] bbw; Additional help please... But this particular squeeze could be the lowest bandwidth in not 51 but 100 days or more! What I would like to do but don't know how ..maybe someone can help is to additionally use a function such as barssince??? to tell me exactly how many days ago was there a BollBand squeeze that was even less than today's...and then list that number in the {Columns} results. Maybe that would require a completely separate scan?? Thank you for your help.

thegrid Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 Feb 2008 Location: Australia Posts: 5	Post Options Post Reply Quote thegrid Report Post Quote Reply Posted: 22 Feb 2008 at 10:35am
	Thanks Jalna How successful in percentage terms are you're flags in succeeding?

jalna Members Profile Send Private Message Find Members Posts Add to Buddy List Regular Joined: 31 Mar 2007 Posts: 95	Post Options Post Reply Quote jalna Report Post Quote Reply Posted: 22 Feb 2008 at 10:20am
	thegrid, muck around and have fun. I have one that picks up some but you can experiment with heaps of different ideas. Mine is "low is between high and low every bar for the last 4 bars" You can make it 6 or whatever. You will find a lot of stock going along sideways but there should be a few flags in there cheers.

thegrid Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 Feb 2008 Location: Australia Posts: 5	Post Options Post Reply Quote thegrid Report Post Quote Reply Posted: 22 Feb 2008 at 9:55am
	Thanks for the responses IS there a scan for flags?

maximo Members Profile Send Private Message Find Members Posts Add to Buddy List BullCharts Guru Joined: 02 Sep 2006 Location: Australia Posts: 232	Post Options Post Reply Quote maximo Report Post Quote Reply Posted: 22 Feb 2008 at 5:00am
	Jalna is right umm the Bollinger Bandwidth indicator shows the distance between the bands. eg. a scan of <0.065 would have picked up the squeezes (before the major moves) on BHP this year. Good Trading

jalna Members Profile Send Private Message Find Members Posts Add to Buddy List Regular Joined: 31 Mar 2007 Posts: 95	Post Options Post Reply Quote jalna Report Post Quote Reply Posted: 17 Feb 2008 at 6:06pm
	Hi thegrid, You can write a scan that says Bollinger Bandwidth is the lowest it has been over so X many days Other than that i'm not sure what else

thegrid Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 Feb 2008 Location: Australia Posts: 5	Post Options Post Reply Quote thegrid Report Post Quote Reply Posted: 10 Feb 2008 at 3:15pm
	Does Bullcharts have a scan to identify Bollinger Band Squeeze candidates. See hyperlink for more on the Bollinger Band Squueze: http://www.asx.com.au/resources/newsletters/investor_update/ 20070808_bollinger_band_squeezes.htm