Every March, the same dream plays out across the country. Millions of people sit down with their brackets, convinced that this might finally be the year they fill out a perfect one. No one ever has, and there are very good reasons why.

A perfect NCAA Tournament bracket means predicting all 63 games correctly, not just most of them, every single one. If each game were a coin flip, the odds would be roughly 1 in 9.2 quintillion. To put that staggering number in perspective, it is statistically easier to win the Powerball twice, be attacked by a shark, or hit four consecutive holes-in-one in golf.

Analytics genuinely help. Instead of guessing, you can use historical data and advanced metrics to make better decisions. No. 1 seeds beat No. 16 seeds more than 99% of the time, and the 12-over-5 upset happens about 35% of the time. Looking at offensive and defensive efficiency, free-throw rates, and player experience can point you toward smarter picks.

The problem is that analytics reduce uncertainty like an umbrella in a hurricane: it won’t save you. Even a game you feel good about might only be a 70 to 80 percent certainty. Late-round matchups, especially in the Elite Eight and Final Four, are often too close to call with confidence.

That is where the math works against you. If you pick each game correctly 70% of the time, your odds of a perfect bracket still fall somewhere in the billions-to-one range. Every game multiplies against the last, and one wrong pick ends the run.

Upsets make things harder. Data can tell you that several double-digit seeds will win in the first round, and history backs that up with a yearly average of 7 or 8. But knowing which teams will actually pull it off is a different story. There are too many realistic candidates, and no formula consistently gets it right.

A wrong pick could also create a chain reaction. An incorrect early pick does not just hurt one game. If you have a team going deep and they lose in round two, every pick you had them winning becomes wrong as well.

So what is analytics actually good for? Beating your friends in a pool, making fewer obvious mistakes. Those are worthwhile goals, far more realistic than perfection.

March Madness earned its name for a reason. The chaos isn’t a flaw in the tournament, quite the opposite. It’s what makes the event so exciting to watch. And as long as that’s true, the perfect bracket will remain far out of reach.