Stock screening tools are a must for both trading and investing.
But if you just do a search for "best stock screener", the search engines will provide lots of "Best Stock Screeners - 2018" options. Probably worth looking at the list and the rationale, but may not offer enough detail to make a decision. Looking at the entries in the list I sometimes think - "are you kidding?"
Since one of my goals at StockScreening101 is to evaluate and review investing tools, I developed a checklist of what to look for (features) but also a set of steps needed for the evaluation. These enable me to take a consistent look at each product.
My guess is you can use the same steps to identify the best tools for you.
This is about you and what is going to be effective for you.
Steps in evaluating and selecting investing, ETF and stock screening tools are straight-forward but must address the specifics of the application. The following steps allow me to examine the tool in the trial period offered, but may require some adjustment to meet your needs. For example, if you are looking primarily for a technical screener.
Item 1 is critical - if you don't have time to do the evaluation, don't bother.
If possible, review documentation before registration - not always possible. In any case, take lots of notes.
With regard to taking lots of notes, I generally try to capture screen shots and notes in a single document (okay, sometimes I just print lots of paper and keep it together). Use a free screen capture tool if you want your document to be a little more fancy but not spend any money.
Most fee-based tools offer a 14 to 30 day free trial. Plan accordingly. Plans can change, but not having a plan is normally a waste of time.
If the documentation and videos are accessible before registration, get familiar with the product before the trial period starts.
At the very least, a stock screening tool should include a sample strategy. This is actually another form of documentation - it allows you to see how a strategy is built by the authors of the site.
NOTE: If this is a blackbox screening tool, you may not get much except past performance and an indication of investing style represented by the strategy.
Run the strategy.
Some things to check:
You can score the product using the Features Checklist. When checking out a site, I also make a list of sample investing strategies examined and highlights.
For a blackbox tool, check Dark Liquidity to see if they have tracked the strategy. If yes, you can confirm the published performance.
This is a simple way to see if the data you want is available.
For example, if a sample value strategy uses PE but you prefer a different value criteria, substitute it into the sample and save the sample by name. If you cannot save your custom strategy by name, there is not much point in using the product unless you are content to use only the investing strategies provided.
Can't find the criteria you want? Is there another that would work as well?
If you want industry or sector relative criteria, are they available?
Explicit data points or just a pick-list.
Don't settle for something that isn't going to work for you.
If you sign up for this product, you are going to live there - check out the neighborhood. If you have a question and cannot get an answer, there is not much point in sticking around.
How do you contact support with a question? Fee-based products normally have a support group and they usually respond in a timely manner. Some of the free products also provide support, but it may take a little longer for an answer.
Is there a forum? Does anyone participate? Oddly enough, some stock screening tools have forums but nobody seems to participate. First, check to see the date/time of the last discussion. Next, ask a question and see if you get an answer.
Any criteria you frequently use that were not checked in step 5 need to be checked. If you are not sure, contact support or ask in the forums.
Even if I modified a sample strategy and saved it by name, I also build a strategy from scratch.
For a simple strategy, I may use Tiny Titans criteria since they are simple enough that any stock screening tool should be able to handle them.
Going forward with any stock screening tool boils down to how well it meets your needs and how much you are willing to spend.
If it is free and does everything you need, whats to decide?
If you are considering more than one tool, it may be worth evaluating the other options before deciding.
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