Prediction Markets Are Not Investing.

Somewhere in the last two years, betting on a football game stopped looking like betting and started looking like investing. That shift is the real story behind prediction markets, the fast growing platforms where you can buy a contract on who wins an election, whether a hurricane makes landfall, or how tonight's game ends. The two biggest players, Kalshi and Polymarket, are careful never to call it gambling. They call it information discovery. Event contracts. Trading.

Language matters, because language is how a product slips past your defenses. Nobody puts their kid's college money on a sportsbook. Plenty of people would put it in a "market."

So here is the question worth asking, and it is not primarily a legal one: when the packaging changes and the mechanism does not, what has actually changed?

What prediction markets actually are

A prediction market lets you buy a contract that pays out if a specific event happens and pays nothing if it does not. Price moves with the crowd's estimate of probability. In theory, that is a genuinely useful thing. Economists have argued for decades that a market price is often a better forecast than a pundit, and there are real hedging uses. A farmer wanting protection against a bad rainfall season is doing something economically substantive.

In practice, that is not where the money is.

According to third-party reporting on the industry, sports contracts have come to drive more than 80% of Kalshi's monthly volume. Kalshi did not even offer sports contracts until January 2025, and in its single largest trading week since launching them, sports made up roughly 87% of total volume. Within a year, they reportedly accounted for the large majority of the company's fee revenue.

That is not a forecasting utility with a sports feature. That is a sportsbook with a forecasting origin story.

The numbers stopped being niche

A few figures, all from public reporting, to size this up:

• Kalshi was valued at roughly $22 billion in March 2026 after a $1 billion raise. Three months earlier it was around $11 billion.
• By June 2026 it was reportedly seeking a valuation near $40 billion.
• Polymarket was in talks around a $15 billion valuation in April 2026, up from roughly $8 to $9 billion. That jump followed an investment from Intercontinental Exchange, the parent of the New York Stock Exchange, which put in $1 billion and has since added more.
• Bernstein has projected industry trading volume of roughly $1 trillion annually by 2030.
• More than 18 states had taken regulatory or legal action against one or both platforms by mid 2026, arguing they function as unlicensed sports betting.

Growth like that does not come from farmers hedging rainfall. It comes from phones, push notifications, and live odds during the fourth quarter.

Why the repackaging works so well on us

I spend a lot of time with people who would never walk into a casino and who are nonetheless one bad quarter away from a decision they will regret. The reason is rarely a lack of intelligence. It is that our brains do not price uncertainty well, and a good interface can exploit that gap.

Addiction researchers have been blunt about this. Prediction market apps trigger the same reward circuitry as any other form of gambling, and the design language is nearly identical to betting apps: color coded odds, live price movement, one tap entry, notifications when your position moves. One person in recovery put it plainly: the app makes it possible to lose an enormous amount of money in a second.

Problem gamblers make up an estimated 2% to 3% of all gamblers and are believed to generate something like 30% to 40% of industry revenue. Whatever else you want to say about that business model, it depends on the people it hurts most. That is the definition of an extractive enterprise, and I have written before about why knowing what your money actually owns matters.

Scripture does not use the word, but it is not silent

The Bible never says "do not use a prediction market," which is exactly why this requires thinking rather than a proof text. But a few things are clear enough to work with.

Work produces value. Scripture consistently ties gain to labor, service, risk taken in productive enterprise, and stewardship of real assets. "Whatever you do, work heartily, as for the Lord and not for men" is a statement about creating something, not about capturing someone else's loss. In a prediction market, no value is created. My gain is funded by your loss, minus the house's cut. That is a transfer, not an investment.

Contentment is the target, not thrill. Most of what makes these platforms profitable is the feeling they produce, and the feeling wears off, which is why the next contract exists. Paul's contentment in Philippians 4 is not resignation. It is freedom from needing the next outcome to go your way.

Love of neighbor rules out profiting from harm. If a business model quietly depends on the 3% who cannot stop, a Christian investor should at minimum feel some friction about owning it.

Wisdom means understanding the times. The men of Issachar in 1 Chronicles 12:32 are commended for understanding the times and knowing what to do. That is the posture here. Not panic. Not a boycott sermon. Discernment ahead of the moment it matters.

Here is the part that lands in your portfolio

Right now, none of this is a holdings problem. Kalshi and Polymarket are both private. You cannot own them in a mutual fund, and no screen needs to flag them.

That window is closing.

Kalshi has reportedly held informal conversations with banks about a public listing, with leadership suggesting nothing before 2027. Polymarket's path may be shorter, given that its largest strategic investor owns the exchange it would likely list on. Intercontinental Exchange, whose total commitment to Polymarket now reportedly exceeds $2 billion, is an S&P 500 company. If you own a total market index fund or a target date fund in your 401(k), you almost certainly own ICE today, which means you may already have some indirect economic exposure to this business.

We have seen this movie. DraftKings and Flutter, the parent of FanDuel, both started as startups and ended up as large public companies sitting inside index funds, retirement plans, and "growth" allocations that nobody reads the holdings of. Once a company is public and large, it stops being a choice you make and becomes a default you inherit.

The faithful move is to decide what you think before the ticker exists, not after.

What to actually do

Five things, in order of how much they matter.

1. Find out what you own. Not the fund names. The holdings. Most people I sit down with have never looked, and are surprised by roughly a third of what turns up. If you want the fuller version of that conversation, read Does Biblically Responsible Investing Cost You Money?

2. Decide your screening standard now, in writing. A one sentence conviction written down in a calm month is worth more than a strong opinion formed in the middle of an IPO news cycle. Screens for gambling revenue exist and generally look at where the revenue comes from rather than what the company calls itself. That distinction is the whole ballgame here.

3. Keep entertainment money and portfolio money in separate buckets. If you place a small wager on a game the way you would buy a ticket to one, that is a conscience question between you and the Lord, and I am not going to pretend the Bible hands me a verse to settle it for you. What I will say is that money labeled entertainment should never live in the same account as money labeled future, because the labels start to blur.

4. Talk to your teenagers about it, specifically. This is the piece I would not skip. My kids are going to encounter an app that lets them buy a position on a basketball game and feel like an analyst doing it. "Do not gamble" will not land. "Here is how the math is designed and here is who pays for the winners" might.

5. Redirect the impulse rather than just suppressing it. The pull toward the next outcome is real. Generosity is the only thing I have found that reliably competes with it, because it produces a better feeling and it lasts. If speculation money became giving money, the return profile would improve considerably.

What I want you to walk away with is smaller than a rule and harder than one. Innovation can change a product's packaging without changing its nature. A wager on an election is still a wager. A market that pays out on chance is still, for the overwhelming majority of its users, a bet with better fonts. Look at the substance of the revenue, not the vocabulary in the press release, and steward your capital toward businesses that build rather than extract. You can also learn more about how I work with clients if you want a second set of eyes on what you own.

Want some help thinking this through? I did too. That's part of why I started Openhanded Wealth: to walk with folks like you through decisions that feel complicated, but don't have to stay that way. If you've got questions, reach out. I'm a real person. I'll help you think clearly, and I won't push you into decisions that don't fit. You don't have to navigate this alone. Email Me, or Schedule a Call