Kalshi Billion Dollar Perfect Bracket Becomes the Best Free March Madness Contest

Kalshi has introduced what’s the largest bracket problem prize in sports activities historical past: $1 billion for anybody who appropriately predicts the winner of each sport in the 2026 Men’s Basketball Tournament. The $1 billion determine rewrites what the finest March Madness bracket contests appear to be, dwarfing each prize that has come earlier than it heading into Selection Sunday.

Kalshi presents practically a dozen contracts for this month’s faculty basketball video games, together with who will win the Men’s and Women’s championship, #1 seed, spherical of 64, 32 and eight qualifiers. The bracket problem sits on high of all that, giving followers a free shot at the largest prize in the sport.

How to enter Kalshi’s bracket problem

For these curious about getting in on the largest bracket contest, enroll at Kalshi with promo code DEFI. The contest is free to enter — no deposit or commerce required. Note: customers in New York and Florida should not eligible to enter. To get began:

1. Visit Kalshi.com or obtain the Kalshi app
2. Click “Sign Up” and enter your identify, e-mail, and password
3. When prompted for a referral or promo code, enter DEFI
4. Complete id verification as required
5. Navigate to the March Madness bracket problem and submit your picks earlier than tip-off on March 19. One entry per individual. Must be over 18.

The bracket problem is free to enter — no deposit or commerce required. If you determine to discover Kalshi’s prediction market contracts, promo code DEFI unlocks a $10 bonus when you confirm your id, deposit no less than $1, and full $10 in buying and selling quantity on Kalshi’s occasion contracts.

Prizes:

• $1B for an ideal bracket
• $1M assured for the best-scoring bracket

The contest is open to US residents 18 and older, with the exception of customers in New York and Florida, who should not eligible to enter. Kalshi operates as a federally regulated occasion contract change overseen by the CFTC, which makes it obtainable in states the place conventional sportsbooks should not. One entry per individual. The $1 billion grand prize is insured by SIG Parametrics, LLC.

Why Kalshi has the finest free bracket problem

Sportsbooks have dangled excellent bracket prizes for years, however the ceiling has hovered round $10 million. CBS Sports sends its high bracket finisher to the Final Four. BetMGM, one in all the largest sportsbooks in the nation, tops out at $10 million for an ideal bracket. Kalshi’s $1 billion supply is 100 instances bigger than both — and with promo code DEFI, new customers can get in on it with a free $10 after their first $10 in trades.

List of all free to enter March Madness contests in 2026

Kalshi’s announcement lands in an already crowded panorama. Here’s how the main 2026 contests stack up:

Potential 2026 contests — primarily based on 2025 phrases, not but confirmed

Kalshi Billion Dollar Bracket Challenge

The Kalshi Billion Dollar Bracket is a free-to-play contest awarding $1 billion for an ideal bracket. No deposit or commerce is required to enter — only a verified Kalshi account, making it the finest March Madness bracket contest this yr. The comfort prize of $1 million goes to the highest-scoring bracket, with an extra $1 million donated to that winner’s charity of alternative. The $1 billion grand prize is insured by SIG Parametrics, LLC. Open to U.S. residents 18 and older, with the exception of customers in New York and Florida. One entry per individual, submitted by way of the Kalshi app or web site earlier than the match video games start on March 19.

DraftKings Zero Right Bracket Challenge

Upsets don’t destroy your bracket with the DraftKings Zero Right Bracket Challenge — they assist it. This March Madness contest, introduced by Pepsi Zero Sugar, awards $100,000 to the entry with the fewest right first-round picks. If a crew you chose advances, you earn factors, and factors are the enemy. You win if you’re sitting at the backside of the leaderboard when the match ends. All prizes are break up evenly amongst tied entries.

This contest is free to enter with a DraftKings account and is open to all 50 states. You have to be 18 and as much as enter with one entry per buyer. The first 125,000 entrants additionally obtain a digital coupon for a free Pepsi Zero Sugar product at taking part retailers. Terms and conditions apply.

ESPN Tournament Challenge

The ESPN Tournament Challenge, formally the 2026 Allstate Men’s Tournament Challenge, is the most performed bracket sport in the nation. This contest is free to enter with an ESPN or Disney account and runs from Selection Sunday by means of the nationwide championship on April 6. Brackets lock at tip-off of the first sport on March 19. You can submit as much as 25 brackets per account and compete in opposition to buddies.

This March Madness contest carries a $125,000 prize pool for the males’s and girls’s bracket independently. A separate Allstate sweepstakes connected to the sport awards one $5,000 American Express reward card drawn randomly from eligible entries. Your bracket efficiency doesn’t have an effect on your possibilities of profitable it. Open to U.S. residents 18 and up. Terms and conditions apply.

Yahoo Fantasy Bracket Mayhem

Yahoo Fantasy Bracket Mayhem is a free bracket contest open to US and Canadian residents 18 and up (excluding Quebec and Ontario). Create as much as 10 brackets in the free Basic Game, then designate one as your official contest entry. Picks have to be submitted earlier than the first sport suggestions off on March 19. If two gamers end tied, the tiebreaker is whoever predicted the closest mixed ultimate rating of the championship sport.

The males’s contest awards $25,000 to the highest-scoring bracket, paid on to the winner’s PayPal account. The girls’s match runs as a separate contest with the similar $25,000 prize beneath an identical phrases. One entry per Yahoo ID. Terms and conditions apply.

CBS Sports Bracket Challenge

The 2026 CBS Sports Bracket Challenge offers followers a shot at a visit to the 2027 Final Four — and also you don’t even want an ideal bracket to win. The high 10% of level scorers in the males’s and girls’s challenges are every entered right into a separate random drawing, with the grand prize together with 4 tickets to the semifinals and championship plus $6,000 money towards journey and lodging. The males’s bracket deadline is March 19, the girls’s March 20.

You will want an account with CBS Sports, which then offers you entry into each challenges robotically qualify for a 3rd drawing for a Nissan Armada Hero Pro4x. The whole mixed retail worth is roughly $99,000. This basketball contest is free to enter for US and Puerto Rico residents 21 and older with a sound driver’s license. Up to 3 brackets per problem. Terms and conditions apply.

Capital One NCAA March Madness Bracket Challenge

The Capital One NCAA March Madness Bracket Challenge is the official bracket sport of March Madness, free to enter by way of play.ncaa.com or the March Madness Live app. You can submit as much as 10 brackets for the males’s match and 10 for the girls’s. Both run as separate contests with separate prizes. Similar to DraftKings, you don’t want an ideal bracket to win. The high 1% of level scorers in every match are entered right into a random sweepstakes drawing, with the winner introduced round April 7. Men’s brackets lock March 19, girls’s March 20.

The males’s grand prize is a four-night journey to the 2027 Men’s Final Four in Detroit, together with two tickets to every semifinal and the championship sport, lodge lodging, $1,500 towards airfare, and $750 in spending cash. The girls’s prize is a similar bundle to the 2027 Women’s Final Four in Columbus, Ohio. This problem is open to US residents 18 and up. Terms and conditions apply.

BetMGM $10 Million Perfect Bracket Challenge

BetMGM’s $10 million bracket problem set the bar for sportsbook contests in 2025. The contest was free to enter with a $10 million grand prize to anybody who submitted an ideal bracket from begin to end. No one did, so BetMGM awarded $100,000 to the highest-scoring bracket. One entry per buyer, and solely the first submission counted, although picks could possibly be edited till the first sport tipped off.

BetMGM has not but opened its 2026 bracket problem, however it’s anticipated to return in the same format — although the precise prize and construction might change.

Bet365 Bracket Challenge

The Bet365 Bracket Challenge supplied $10 million for an ideal bracket in 2025 and assured money prizes to the high 5,000 finishers regardless. First place acquired $100,000, second $25,000, third $10,000, cutting down from there. The brackets contest allowed one entry per buyer, was free to enter for customers 21 and older in choose licensed states.

An Ohio person claimed the $100,000 first-place prize with 1,420 factors, with Bet365 paying out $240,000 whole throughout roughly 5,000 winners. The 2026 contest has not but been introduced however is predicted to return in the same format. Prize and guidelines is topic to vary.

FanDuel Tourney Shuffle ‘Em

FanDuel’s Tourney Shuffle ‘Em took a distinct method to the bracket contest in 2025. Instead of selecting each sport, customers acquired a randomly assigned card with 4 groups representing their predicted Final Four. Up to twenty shuffles have been obtainable to swap groups out — however shuffles couldn’t be undone. Any entrant whose card matched the precise Final Four break up the $100,000 prize pool.

The contest was free to enter with a FanDuel account, and was obtainable to customers 21 and older in licensed states. FanDuel has not but introduced its 2026 model.

X Bracket Challenge

The X Bracket Challenge, introduced by Uber Eats, ran in 2025 with one in all the most memorable prize constructions in March Madness bracket contest historical past. An ideal bracket gained a visit to Mars aboard a SpaceX Starship. For those that most popular to remain on planet Earth, another bundle of $250,000 money, a yr of free Starlink service, a day of astronaut coaching, the likelihood to ship a private merchandise to house on a Falcon 9, and VIP entry to a Starship launch. If nobody went excellent, the top-scoring bracket gained $100,000.

The contest was free to enter on X and open to US residents 18 and up. X has not but introduced any plans for a 2026 model.

USA Today Sports Million Dollar Bracket Challenge

The USA Today Sports Million Dollar Bracket Challenge supplied $1 million to anybody who appropriately predicted all 63 match video games. If nobody hit an ideal bracket, $25,000 went to the highest-scoring entry. The contest additionally awarded $10,000 to any entrant who appropriately predicted 60 or extra video games.

The 2026 contest has not but been introduced.

Warren Buffett Bracket Challenge

After practically a decade with no winner, Warren Buffett’s 2025 Berkshire Hathaway bracket problem lastly paid out. Buffett relaxed the guidelines to make it simpler. Any worker who appropriately predicted no less than 30 of the match’s 32 first-round video games gained $1 million. An nameless worker of FlightSafety International claimed the prize after nailing 31 of 32 first-round video games. Eleven runners-up who additionally received 31 right every acquired $100,000.

Whether and beneath what guidelines the 2026 problem will run has not but been introduced.

What an ideal bracket truly requires

The NCAA Tournament is a 68-team, single-elimination discipline organized into 4 regional brackets. From the First Round by means of the nationwide championship, there are 63 video games — and an ideal bracket means calling each single one appropriately earlier than the first tip-off on March 19. No one has ever executed it. This is exactly why the prize needs to be important — the near-impossibility of the activity is what justifies Kalshi providing a $1 billion prize in the first place.

The precise odds of an ideal bracket vary from 1 in 9.2 quintillion on a coin flip to roughly 1 in 120 billion for somebody who follows faculty basketball. Either method, nobody has ever publicly had an ideal bracket. This is why each contest on this record backs up the excellent bracket prize with comfort prizes for the finest imperfect bracket too.

What to know earlier than getting into

Most main challenges are free to enter however require a platform account. Sportsbook contests — BetMGM, Bet365, DraftKings, FanDuel — require contributors to be 21 or older and situated in a licensed state. Kalshi, ESPN, Yahoo, and Capital One are open to customers 18 and older, although Kalshi isn’t obtainable to residents of New York or Florida. CBS Sports requires contributors to be 21 or older with a sound driver’s license.

The bracket locks when video games tip off March 19. Between at times, tens of millions of entries will probably be stuffed out with full confidence and nil likelihood of surviving the weekend intact. Kalshi is relying on that. So is everybody else.

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