I read the book back in 2021 and reread it again in 2026 before watching the movie. I was really curious to see how they would adapt it for the big screen — it seemed incredibly difficult to pull off, and I think they did a pretty great job.
From this point on, if you plan to read the book or watch the movie and haven’t done so yet, stop reading this article. Come on, look at me, selling my own product. If you don’t keep going, have a great weekend.
Let’s begin: there are movies that start with a man waking up with no idea who he is, where he is, or why his body is connected to twenty tubes. And yet, if you look closely enough, you can still find parallels with personal finance.
I saw it in theaters a few days ago at a cinema in Tarragona. I loved it. I’m planning to watch it again.
🎬 Project Hail Mary (2026)
📽️ Original title: Project Hail Mary
🗓️ Year: 2026
🎬 Directed by: Phil Lord and Christopher Miller
✍️ Cast: Drew Goddard (the same writer behind The Martian), based on Andy Weir’s novel
👥 Repartiment: Ryan Gosling, Sandra Hüller, Milana Vayntrub, Lionel Boyce, James Ortiz
🏆 Awards/nominations: Too early for statues and trophies, but it already holds a 94% on Rotten Tomatoes, an A CinemaScore, and it’s become the biggest opening in Amazon MGM history. Early predictions already have it heading toward the Oscars.
📺 For now, only in theaters
Image source: IMDB
Ryland Grace, a middle-school science teacher and former molecular biologist, wakes up alone aboard an interstellar spaceship light-years away from Earth. He doesn’t remember who he is or why he’s there. As his memory slowly returns, he realizes the scale of the mission: the Sun is dying because of a microorganism he names Astrophage, and he is humanity’s final attempt to save the species. Along the way, he meets Rocky, an alien from another civilization facing the exact same problem.
Personal Finance Lessons
1️⃣ Financial Amnesia
Grace wakes up without memories, context, or a map. And the first thing he does is the most important one: he doesn’t freeze. He observes, experiments, measures, and takes notes.
I meet many people in their 30s, 40s, or 50s who tell me, “I know nothing about finance — it’s too late for me now.” But no, it’s not too late. It’s exactly like Ryland: you’ve woken up on a spaceship in the middle of nowhere, and you can either sit there complaining or start opening cabinets to see what’s inside. The difference between people who end up okay and those who don’t isn’t what they know today — it’s what they’re willing to learn.
2️⃣ Astrophage and Inflation
Astrophage is terrifying for one very specific reason: it’s invisible, silent, and slowly consuming your energy source while you continue living your normal life. For months, nobody notices the problem until it’s almost too late.
To me, it’s the perfect analogy for inflation. No headline ever says, “Today you lost 3% of your purchasing power.” But if your savings are sitting idle in a checking account earning 0%, every year inflation takes another tiny bite out of your Sun. The difference between merely “saving” money and actually investing it (even in something conservative like index funds or Treasury bills) is making sure your ship doesn’t run out of fuel when you need it most.
🧮 An example?
Imagine €50,000 sitting untouched in a bank account for 20 years with average annual inflation of 2.5%:
Real purchasing power after 20 years = €30,513
You’ve lost almost €20,000 without anyone stealing it from you. You simply failed to defend it.
Now imagine investing those same €50,000 in a diversified portfolio earning a net 5% annually (roughly 2.5% above inflation in real terms):
Inflation-adjusted value after 20 years = €81,930
(in nominal terms, you’d actually have €132,664.89)
The difference between defending your money from inflation and doing nothing over 20 years is more than €51,000 in real purchasing power. And you probably wouldn’t even notice it happening.
3️⃣ A Mission with Finite Resources
The Hail Mary spacecraft can’t stop by the corner supermarket. Everything Grace needs to survive, complete the mission, and return home is already onboard. If he wastes those resources, it’s over.
Your monthly budget works exactly the same way. It’s not punishment — it’s a spaceship. If you know how much you have, how much you spend, and how much remains for the “return trip” (retirement, emergencies, future projects), you can sleep peacefully. But if you keep opening and closing cabinets without knowing what’s inside, any unexpected event can leave you drifting in space.
4️⃣ Rocky and Diversification
The most beautiful part of both the movie and the book is the relationship between Grace and Rocky. Two beings who don’t even breathe the same air, don’t speak the same language, and naturally see the universe completely differently. Yet together, they solve problems neither of them could solve alone.
That’s diversification in its purest form. A well-built portfolio isn’t one that contains five things behaving exactly the same way; it’s one that combines assets reacting differently to the same problem. Stocks, bonds, maybe a bit of gold, different geographies, different currencies. When one asset suffers, another might breathe easier. Just like Grace and Rocky: the value isn’t in either one separately, but in how they complement each other.
5️⃣ The Science Teacher, Not the Wolf of Wall Street
And this is probably the lesson I liked most. Ryland Grace isn’t an action hero. He’s not the tough guy, the billionaire, or the manipulative genius. He’s a slightly awkward middle-school teacher who patiently applies the scientific method: hypothesis, experiment, measurement, correction. And that’s how he saves the world.
Personal finance works exactly the same way. You don’t need to be the Wolf of Wall Street or Warren Buffett, nor do you need to predict the next Bitcoin. You just need to do four simple things consistently for many years: spend less than you earn, automate your savings, invest in a diversified long-term strategy, and avoid panicking every time a headline predicts the end of the world. Boring? Yes. Effective? Absolutely.
In a way, it’s the same lesson Edge of Tomorrow already taught us: the strongest person doesn’t win — the one who iterates, measures, and learns from mistakes does. Save, invest, repeat.
One final curiosity: Project Hail Mary screenwriter Drew Goddard is the same writer who adapted The Martian. He has a gift for turning impossible physics and chemistry problems into stories that leave audiences — even people who haven’t touched a science book since high school — walking out of the theater feeling just a little smarter.
I’ll leave you with a behind-the-scenes video I really enjoyed:
