SANDBAGR™
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Why now

Three massive trends.
Zero products at the intersection.

Prediction markets went mainstream. Golf went young. Mobile betting became the default. Nobody had built the app where all three collide. Until now.

The shift

Betting on outcomes went mainstream.

$63.5B $1T

Prediction market volume, 2025 to 2030 (projected)

$23.8B

Kalshi trading volume in 2025

1,100% YoY growth89% of the US market
$9B

Polymarket volume in 2024

314K monthly traders$2B from the NYSE's parent
$13B

FanDuel + DraftKings combined 2025 revenue

$167B US handle in 2025Record year, again

People want to put stakes on outcomes. The infrastructure and the cultural acceptance are already here.

The audience

Golf went young.

48M+
golf participants in 2025
545M+
rounds a year, record in 2024 and again in 2025
6.3M
golfers aged 18 to 34, now the biggest age group on the course
3.4M
first-time golfers in a single year

YouTube golf

Good Good (2.1M), Rick Shiels (3.1M), Bob Does Sports (1.5M). Golf is entertainment now.

The Topgolf effect

100+ venues, $1.8B a year. Golf without the country club.

Tech-native players

The fastest-growing golfers grew up on their phones. They expect an app for everything. There wasn't one for this.

The audience is younger, more social, more tech-native, and growing fast.

The gap

The behavior already exists. The app didn't.

84%
of serious golfers wager on their own round
0
apps built for it, until now

Every golfer knows the scene. Side bets on every hole, tracked on napkins, Venmo requests, and group chats. A behavior that's been happening for 100 years with zero purpose-built tools. That's 29 million on-course golfers doing the same thing the hard way, every weekend.

SANDBAGR isn't creating a behavior. It's digitizing one.

The position

The white space nobody filled.

Real-Time / Social
Pre-Game / Static
Golf-Specific
General Sports
Social Golf Betting
Social Sports Betting
Golf Tools
Sports Betting Platforms
SANDBAGR

Every existing product clusters in three quadrants. The top-left, social, golf-specific betting, was completely empty. That's where SANDBAGR lives.

The app where all three collide. It's live.

Download on the App Store

Free. iPhone. No money moves through the app.

Sources: CertiK and Bernstein (prediction market volume), company reports and CoinDesk (Kalshi, Polymarket), Flutter and DraftKings FY2025 results, American Gaming Association (2025 handle), National Golf Foundation 2026 Graffis Report (participation, rounds, age groups, beginners), Golf Datatech 2022 Gambling & Golf Study (84%), YouTube (subscribers, Sept 2026), Callaway Golf Company (Topgolf).