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Budget-conscious shoppers are feeding a boom in discount groceries Florida farmers struggle to adapt as disease and climate take toll on citrus industry Looking back at Jerome Powell's 8-year term as Federal Reserve Chair They graduate to six figure salaries, and grueling work ABC argues Trump administration is trying to chill free speech Prices are up, but Mother's Day still means brunch With Spirit in liquidation, here's what happens next to its planes Trade court strikes down a second round of Trump tariffs She helps families in need. As gas and grocery prices rise, she needs help, too Gas prices keep rising, but do big oil companies plan to drill more? Not so far Campaign staffers tell NPR they make 'thousands' betting on their own candidates How the petrodollar regime came to be, and what losing it would mean for the U.S. CNN Anchor Christiane Amanpour remembers Ted Turner How Silicon Valley's new tech right has profited by aligning with MAGA 'A trailblazer, a rabble-rouser, a do-gooder': CNN founder Ted Turner dies at 87 Have you lost or are worried about losing SNAP benefits? NPR wants to hear your story A trip to Europe? In this economy? Expensive flights keep vacations closer to home NPR went looking for Polymarket's Panama headquarters. It's elusive The Iran war sent jet fuel prices sky-high. Here's what air travelers should know If you are struggling to make ends meet, NPR wants to hear from you GameStop makes unsolicited bid to acquire online auction giant eBay for $56B Hotels have a big World Cup problem: Bookings are running far below projections Spirit Airlines shutters after federal bailout falls through Gas prices went up more than 30 cents a gallon last week. How high could they go? He recorded his quest for tariff refunds. It shows why billions may never get repaid How algorithms wreaked havoc with these workers' schedules and cut their pay Oil and gas companies making hay by making plastic? An inevitable rise in Chinese-made EVs in America? Spirit Airlines ceases operations after escalating financial struggles Iran war shakes Global economy as energy costs surge and recession fears grow How well can EVs handle the heat — and the cold? AAA put them to the test Trump gives the go-ahead for a major new Canada-U.S. oil pipeline The economy is growing – but soaring energy prices could put a damper on that How Spirit Airlines grew so fast — and why it's experiencing so much turbulence now These fans are boycotting the World Cup. Will they make it a bust? The U.S. economy shows resilience despite the war with Iran Musk continued his testimony from yesterday in lawsuit against OpenAI In court, Elon Musk accuses OpenAI of trying to 'have your cake and eat it, too' As Supreme Court weighs Trump's immigration policy, senior citizens join the fight Spirit Airlines tried to be the Dollar General of the skies. Then the big airlines beat it at its own game It's set to be Jerome Powell's last meeting as Fed chair -- as a big change looms Why Sen. Warren voted no for Kevin Warsh as Fed chairman FCC orders early license renewal for ABC stations following Kimmel's first lady joke As trial against OpenAI begins, Elon Musk seeks Sam Altman's ouster The United Arab Emirates is quitting OPEC oil cartel after nearly 60 years Millions of homes in the U.S. are uninsured. NPR wants to hear your story Lawsuits accuse State Farm of secretly working to cut insurance payouts China's supply chains hit by Iran war Melania Trump wants ABC to 'take a stand' against Jimmy Kimmel after 'hateful' joke Ingenious? Orwellian? Or both? 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Then a court stepped in Families across the U.S. are getting college acceptance letters — and tuition bills Inflation surges to highest level in nearly 2 years as energy costs spike Women are getting most of the new jobs. What's going on with men? How governments have tried to hide information about the Iran war online Inflation climbs to highest level in nearly 2 years Well-timed bets on Polymarket tied to the Iran war draw calls for investigations from lawmakers How an ancient resin traded for centuries got snarled up by the Iran war How a cheese sandwich at the Masters is still $1.50 in an era of price hikes Why high oil prices are good for oil companies — until they aren't Why OpenAI bought 'SportsCenter for Silicon Valley' Oil prices plunge and stocks soar after U.S. and Iran agree on a ceasefire
Why catching insider trading is so tricky nowadays, and just how helpful is it for kids to sleep in?
Cooper Katz · 2026-05-18 · via NPR Topics: Business
Prediction Markets Face Increased Scrutiny Over Insider Trading Allegations

Scott Olson/Getty Images

You're reading a preview of the brand new newsletter from The Indicator from Planet Money. Once a week, we're curating our favorite stories and insights on business, finance, economics and adding context on why they matter. Subscribe here to get it in your inbox every Friday.

Today's Indicator: >$400,000

Insider trading is a problem. So how do we stop it?

It's a real profitable time to have access to privileged information. An American soldier allegedly used classified information to turn $33,000 into more than $400,000. But millions of dollars more have been made through eerily well-timed bets on prediction markets like Polymarket. For example, when the U.S. would bomb Iran, or capture Venezuela's Nicolás Maduro.

If you're a Congressman with access to this kind of information, it seems illegal to bet on it, right?! It's not so simple.

We looked at Polymarket specifically to understand why this is so hard to police. The difficulty comes in how the company is structured. It does have a U.S.-regulated front-end at home. But the REAL action happens on the back-end: a largely anonymous, crypto-based international platform. When big bets are made there, it's harder to see who is actually doing the betting.

U.S. Democratic Senator Richard Blumenthal doesn't want prediction markets to have it both ways. SO! He introduced legislation to make them act more like regulated sportsbooks (FanDuel, DraftKings, and some other combined word with CapitalLetters). Hopefully, that would cut down on anonymity and reduce potential insider trading.

While anonymity is certainly easier with cryptocurrency, transactions are written into the blockchain and therefore permanent. We get into all that in the episode.

Listen to the full episode.

Rest of the Week

News We're Watching

1. Is it POSSIBLE to meet this level of electricity demand?

What to know: The scale of new electricity demand is shocking (always pun intended). At a recent conference, an exec at Oncor, a large utility in Texas, said they're getting SO many requests from customers (data centers being the prime example) that they're forecasting 122 GW of demand on their system over the next five years. As of now, if you step on the gas of Texas's primary grid, ERCOT, it can deliver 85 GW of power at most at one time. In other words, ONE UTILITY would need to increase the energy that Texas can currently offer by… ~143%.

Jon Wellinghoff, former chairman of the Federal Energy Regulatory Commission (FERC), describes the current demand as "off the charts." He says the typical increase in power demand is less than 2% year-over-year. Not 143% over five years. Do the math on that one.

The story isn't unique. Jon told us, "I just got off the phone with somebody in the El Paso area who said that there's a 5-GW project in El Paso. All of El Paso is like 840 MW… so this is five times as big as the city itself."

So, what's a grid to do? Is it possible to add this much electricity to the grid? Jon said, "it would be extremely hard." He explains there's SOME slack within a grid. Maybe it could add 10 or even 20 percent more electricity, "but you're certainly not looking at a 100+ percent increase." Ultimately though, Jon just doesn't think all this demand will come to fruition. The AI race is hyper crowded and everyone wants a piece of the power. But he says, "maybe as much as half of it may not get built ultimately because [of] a competitor who's decided that they just can't compete and that they weren't quick enough to market and as such, they are no longer interested in building the facility." Not to mention, local communities are not thrilled with data center construction. Developers have canceled at least 20 data centers in the first three months of this year due to local opposition.

2. Will more sleep lead to better grades?

What to know: In 2022, a law took effect in California that pushes back the start time for middle and high schools. Researchers wanted to know: what will that mean for mental health, sleep and academic performance! They found kids DID get more sleep overall, that boys (specifically) seemed to show meaningful mental health improvements, and many students saw math and English scores improve with the biggest gains among Hispanic and economically disadvantaged kids.

Why we care: A couple of us Indigators didn't grow up in the U.S. and were shocked to learn how early schools start in the U.S. Pre-7:30 am!? What 14-year old runs on that kind of schedule?! Sometimes, you just need to pull a lever and things start to improve. Rather than throwing money at new educational approaches, turns out a school can just move back the start time and watch grades go up. Look at humans, solving these little puzzles. So nice.

Public high school average start time and percentage distribution of start times between 2017-2018.

Public high school average start time and percentage distribution of start times between 2017-2018. U.S. Department of Education, National Center for Education Statistics, National Teacher and Principal Survey (NTPS), “Public School Documentation Data File,” 2017–18 hide caption

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U.S. Department of Education, National Center for Education Statistics, National Teacher and Principal Survey (NTPS), “Public School Documentation Data File,” 2017–18

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