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Ledge
Prove you called it — free social prediction market
Ledge is a free social prediction market for sports, politics, and culture. Bet with virtual credits — no real money, ever. Track your win rate and calibration score, build a daily streak, and create private Circle markets to compete against friends. 1,000 credits free on signup.
Hey Product Hunt! I'm Sebastian, I'm 15 and a high school freshman, and I built Ledge by myself using AI tools.
I built it because I kept making predictions with my friends and there was never any record. Someone calls a game, an election, a culture moment, it happens exactly like they said, and two days later nobody remembers. I wanted a place that keeps score.
Ledge is a free social prediction market for sports, politics, and culture. No real money ever. You get 1,000 credits on signup and 500 every day just for showing up. Under the hood it runs a CPMM so odds shift dynamically as bets come in, same mechanism Polymarket uses. Your calibration score is a Brier score that measures how accurate your probability estimates are, not just whether you won. The part I'm most proud of is Circles. Private groups where you and your friends bet against each other on literally anything. Your circle, your rules. Honest truth: this is my first real launch and I have a small number of users so far. This is my first real push to get people in the door. Would love to hear what you think. What would make you actually open this every day?
About Ledge on Product Hunt
“Prove you called it — free social prediction market”
Ledge was submitted on Product Hunt and earned 5 upvotes and 1 comments, placing #156 on the daily leaderboard. Ledge is a free social prediction market for sports, politics, and culture. Bet with virtual credits — no real money, ever. Track your win rate and calibration score, build a daily streak, and create private Circle markets to compete against friends. 1,000 credits free on signup.
On the analytics side, Ledge competes within Social Media, Games and Finance — topics that collectively have 193.8k followers on Product Hunt. The dashboard above tracks how Ledge performed against the three products that launched closest to it on the same day.
Who hunted Ledge?
Ledge was hunted by Sebastian Jimenez. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Ledge including community comment highlights and product details, visit the product overview.
Sebastian Jimenez