In 2024, the S&P 500 returned 25%. The average equity investor made 16.5%.

Same market. Same year. An eight-point gap between the index and the people trying to beat it. That gap wasn’t bad luck. DALBAR tracks this every year, and the cause is almost always the same: people did things. They sold in the dip, waited for confirmation, bought back after the rally had already happened. The market paid a premium to everyone who sat still, and charged a fee to everyone who fidgeted.

I think about that number a lot, because it’s the cleanest evidence I know of that action is overrated.

Here’s the uncomfortable part. The behavior that makes money is boring. It’s holding a position that isn’t doing anything interesting. It’s not touching the account on a red day. It’s letting a system take a small loss without you leaning in to “fix” it. None of that feels like trading. It feels like waiting, and waiting doesn’t scratch the itch that got most people into markets in the first place.

Over 20 years, that same DALBAR data shows the average investor earned about 9.2% a year against the index’s 10.4%. Roughly one point a year. Doesn’t sound like much until you compound it — the index portfolio ends up worth about 22% more. That entire gap is the cost of feeling productive.

Why do smart people keep paying it? Because doing nothing feels like negligence. If you’re a competent person in the rest of your life, sitting on your hands while a position moves against you feels irresponsible. Your instinct says a good trader would be doing something. So you tighten a stop, or you add, or you exit and re-enter. Every one of those moves feels like control. Most of them are just noise you’re introducing into a process that was fine without you.The other reason is that boring doesn’t produce stories. Nobody goes to dinner and says “I held everything and changed nothing this month.” The trades people talk about are the dramatic ones — the big call, the save, the escape. So the whole social layer of trading rewards exactly the behavior that costs you money, and stays silent about the behavior that makes it.

This is the part most people get backwards. They think the edge is in the decision — picking the right entry, catching the turn, reading the chart better than the next person. In my experience the edge is almost never in the decision. It’s in the thousand moments afterward where you don’t override it. A strategy with a mediocre entry and iron discipline will beat a brilliant entry that gets second-guessed every time the screen turns red. The market doesn’t pay for insight. It pays for the ability to sit with insight without flinching.

Which is exactly why systematic trading works, and it’s not because a machine is smarter than you. It isn’t. It’s because a machine is boring on purpose. It takes the small loss without a story about why this time is different. It holds through the flat stretch because it has no need to feel busy. It doesn’t get bored, doesn’t get proud, doesn’t need to justify its afternoon. You built the discipline into the rules once, and then the rules don’t renegotiate with your mood.

So here’s the one thing worth trying, even if you never touch automation. For one month, write down every trade you make that wasn’t in your plan when the day started. Not the planned entries — the reactions. The stop you moved, the position you added to, the thing you closed on a feeling. At the end of the month, add up what those unplanned moves cost or made you. Almost everyone I know who has done this honestly finds the same thing: their planned trades were fine, and their improvisation was the leak.

You don’t need a better read on the market. You probably need fewer moments where your read gets overruled by your nerves.

If any of this lands and you’re tired of being the most expensive part of your own strategy, systematic trading is worth a look — not because it’s exciting, but because it’s finally boring in the way that pays.