molecules mal
15 posts
msg #162044
- Ignore molecules mal
modified |
11/25/2025 7:18:02 AM
I've been looking at a lot of charts and I'm so sick of seeing double bottoms! Typically what a stock will do is have a long linear run to a peak, then come down maybe 30%-50% in a linear move, put in a first bottom, retrace half the move back up, then come back down and put in the second bottom, sometimes undercutting the first bottom, before ripping all the way back up to all time highs. These double bottoms often have positive divergence on the MACD too.
I'd really like to build a filter to scan for these, but I have no idea how to scan for them because these moves are often over the course of weeks or months or a year. Thanks for your help!
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xarlor
635 posts
msg #162047
- Ignore xarlor |
11/25/2025 10:01:39 AM
A simple forum search for "double bottom" returns these two as the top two results:
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molecules mal
15 posts
msg #162048
- Ignore molecules mal
modified |
11/25/2025 1:41:08 PM
Oh, I forgot to search the forums! How can I get this filter to make the close at the beginning of year be 40% below the 26 week high? It isn't working. I want to pick up GRND.
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xarlor
635 posts
msg #162050
- Ignore xarlor |
11/25/2025 2:54:08 PM
When you say "at the beginning of the year" do you mean on 01/01/25, or 1 year ago from today?
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molecules mal
15 posts
msg #162051
- Ignore molecules mal |
11/25/2025 8:55:39 PM
1 year ago from today. Although the main thing is I just wanted the run up to the peak to be 80% or more, even if the start of the run up was more recent than 1 year ago.
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xarlor
635 posts
msg #162052
- Ignore xarlor |
11/26/2025 7:57:54 AM
So a few things to unpack here.
StockFetcher "days ago" counts trading days, not calendar days. So if you want "close 1 year ago" say it just like that. If you insist on using days, there are 251 trading days in a year so "close 1 year ago" would be "close 251 days ago"
You wanted to pick up GRND, but in your filter you wanted the close 1 year ago to be 40% below the 26-week high.
GRND 26-week high = 24.73
GRND 40% below 26-week high = 14.84
GRND close 1 year ago = 15.09
Since GRND was not under 14.84 one year ago, it does not show in your filter. Here is the proof:
Lastly, your requests lack sufficient detail.
"I just wanted the run up to the peak to be 80% or more, even if the start of the run up was more recent than 1 year ago."
Which of these do you mean?
The flagpole peak?
26-week high peak?
The yearly peak (52-week high)?
Something else?
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molecules mal
15 posts
msg #162053
- Ignore molecules mal
modified |
11/26/2025 7:50:01 PM
I meant the 26-week high peak from today. This filter isn't working because it is using the 26-week high peak a year ago. It returns downtrending stocks which I'm not interested in.
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xarlor
635 posts
msg #162055
- Ignore xarlor |
11/27/2025 11:58:23 AM
Yeah, you're getting into more advanced SF filters, so I'll just drop it here. I highly recommend you study it and understand why this works.
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molecules mal
15 posts
msg #162057
- Ignore molecules mal
modified |
11/27/2025 12:55:53 PM
Thank you! Also happy thanksgiving!
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