I have been writing covered calls for 25 years, and for most of that time my whole process ran on repetition and instinct. Find a boring, steady name, sell a call against it, collect the premium, do it again next month. No models, no dashboards. Just knowing what worked because I had done it a few thousand times.
So when covered call screeners started showing up, I did what any long-time writer would do. I fiddled with them. Not looking for trades, I already knew how to find those. I wanted to see whether these tools actually matched what my instincts had spent decades learning, or whether they were dressing up something that only looked useful.
Some were genuinely helpful. Most were not. And the difference came down to a handful of things that are easy to spot once you know what to look for. So here is the honest version, from someone who was skeptical of these tools before building one.
Start with the right question
The wrong question is "which screener gives me the best trades." The right question is "which one helps me think, instead of thinking for me."
A covered call is a decision only you can make well, because only you know why you own the stock, what you paid, and whether you would actually be happy to sell it. A tool cannot know those things. What a good tool can do is lay out the landscape clearly and honestly so your decision is a better-informed one. The moment a tool starts making the decision for you, it is pretending to know things about you that it does not.
Hold onto that distinction. Almost everything below comes back to it.
What to look for
Context, not just a big number. A premium or a yield on its own tells you almost nothing. A fat premium usually means the market expects the stock to move, which is risk, not opportunity. What actually matters is whether a contract is a genuine standout compared to similar contracts, not whether the raw number looks large. A screener that helps you see a contract against its real peers is doing real analytical work. One that just sorts everything by the biggest number is handing you the riskiest trades at the top and calling them the best.
Honesty about what it does not know. Real options data is messy and full of gaps. A tool that always has a confident answer for every single contract is hiding the thin spots rather than showing them. I trust a tool more when it is willing to tell me it does not have enough to say about something, because that is exactly how I know the answers it does give me are real.
Data you can actually trust. Bad or stale data quietly poisons everything downstream of it. If you cannot tell where a tool's numbers come from or how current they are, be skeptical of every conclusion it draws. Good analysis on bad data is still bad analysis.
Room to do your own thinking. The best tools show you the board and then get out of the way. They give you the context and let you make the call, because they understand that the call is yours to make.
A way to try it before you pay. A lot of people search specifically for a free covered call screener, and there is a good instinct underneath that. You should be able to get a real feel for whether a tool matches how you think before you hand over a credit card. A tool confident in what it offers will let you use it, genuinely use it, without paying upfront. Be a little wary of anything that hides all of its value behind a paywall before you have seen whether it is any good.
What to walk away from
Black boxes. If a tool hands you a score and will not tell you what it means or how to read it, you are being asked to trust a number you cannot question. A grade or a score should be something you can interrogate. Otherwise it is just a magic number, and magic numbers are how people lose money confidently.
Tools that tell you what and how to invest. This is the big one. A screener that hands you "buy this, sell that, here is your trade" has quietly crossed from research into advice, and it is almost always doing it with a formula that has no idea what is in your account, what you paid, or what you actually want to own. Be very wary of any tool that is confident about what you should do. The good ones make you a sharper decision-maker. The rest try to replace your judgment with theirs, and their judgment has never met you.
Anything selling certainty. Markets do not offer certainty, so no tool can either. Annualized returns shown as if you could really run the same trade over and over all year. Win rates presented like guarantees. "Best trade" labels stamped on a contract the tool has decided for you. That is marketing wearing the costume of analysis. A tool that is honest about uncertainty will serve you far better than one that pretends it away, even though the honest one feels less exciting.
The bottom line after 25 years
The right tool sharpens your instincts. It does not override them.
You are the one who owns the shares, knows why you bought them, and has to live with how it turns out. A screener that respects that will show you the board clearly and honestly and then let you decide. A screener that does not respect that will try to decide for you, using a formula that does not know the first real thing about your situation.
That is the standard I hold, and honestly it is the standard I am building toward with the tool I am working on now: grade every covered call against its real peers, stay honest when the data is thin, and never once tell you what to do with your own money. If you want the deeper version of the tactical side of this, how strike, delta, and expiration actually shape the trade, that is all in the tactics guide.
Whatever tool you land on, judge it the same way. Does it make you better at this, or does it just try to do it for you? After 25 years, that is the only test that has ever mattered.