Introducing Polymarket Data, a public source for U.S. & International exchange data. Polymarket U.S. hit 1b+ total volume (contracts) for the weekend, consecutive daily ATHs: - Saturday: 510m+ - Sunday: 525m+ We're just getting started.

One of our complaints from traders: the UI optimised orders for speed, not correctness. Some flows updated positions before the exchange responded, then corrected them later if the order was partially filled or failed, but this caused late updates, incorrect states, and failed sells. Now that our indexing and data API is much more performant, we changed this so that market buys and sells wait for the trade response; fills, partial fills, rejections and errors show immediately. This also improves correctness and sell success rate, making it safer and better to trade.

Polymarket acquired a CFTC license last July with no U.S. exchange/website/app. 1+ year later we're at the top of the app stores. We have a lot of catching up to do in the U.S., but we're moving in the right direction. Back to work. cc: @AldrinResearch

We have built our Polymarket indexing systems in-house, powered by rindexer in Rust. We now see onchain data events up to 14 blocks (28 seconds) faster, and we index within 0-10ms of block broadcasting, making it nearly instant. This means trades, positions, and balances will update much faster. We will use Goldsky as a data backup, but we now primarily run on our own indexing infrastructure.

NFL Week 1 Sports Betting & Prediction Market App Downloads Total: 3.0M Top Sites 762K @Polymarket 592K @Kalshi 415K @DKSports 265K @FanDuelSports 139K @SleeperHQ 104K @bet365_US 97K @HardRockBet ⏯️ via Citizens

📊 Sep 13 | Volume by Venue 🥇 Kalshi | $2.2B | 69.9% 🥈 Polymarket (US) | $376.0M | 12.0% 🥉 DKeX | $137.5M | 4.4% 4. Polymarket Int | $121.8M | 3.9% 5. Nadex | $94.3M | 3.0% 6. Novig | $69.1M | 2.2% 7. Rothera | $65.0M | 2.1% 8. Underdog Exchange | $52.8M | 1.7%

We're rolling out squads on the Polymarket app We wanted trading with friends to feel way more native. Now you can spin up a group chat, send picks, and trade together 👬 if you want to try it, join my squad below 👇

Thrilled to announce that Warren Jenson is joining Polymarket as our first CFO. Warren was: - CFO of @amazon, where he worked directly with Bezos and leadership to pioneer the financial framework for modern marketplaces. - CFO of @EA - CFO of @Delta - President and CFO of @nielsen A true legend. We’re grateful to have him and excited to learn from him.

save these two free services. they are what i built my Polymarket strategies on, the ones paying me around $10,000 a month. what it looks like day to day: you ask any question about the market in plain words, Claude Code digs through the data and comes back with numbers. you become a quant researcher. 1 - poly_data one command and every Polymarket trade sits on your own disk. who bought, when, at what price, what size, and who was standing on the other side of it. my first sync pulled 3.1 million markets. you can pull apart the edge of any trader on Polymarket you like. first sync runs a few hours, leave it overnight, after that updates land in seconds. 2 - pendulumflow archive this one holds the book itself: what orders were sitting there, at what prices, what size, second by second, on every single market. 288 billion events recorded, and 2.3 billion more coming in every day. i used to pay $200 a month for this kind of data. here you just open it and take it, nothing to sign up for. the front page has ready made questions you copy straight into Claude Code. the project runs on donations, storing and serving this much data costs real money every month. so if you start using it, send the guy something, he is carrying all of it alone. these two will give you what only a handful of people on this market have.

Polymarket just became the #1# Finance app Above Kalshi, Cash App and PayPal - LeBron partnership - NFL season starting - Sports becoming a major vertical We spent years talking about prediction markets going mainstream It’s happening now

My experience of building and operating a CFTC predictions exchange is that it's extremely difficult, technical work, operationally intensive in a way that is not obvious, and literally everyone who tries underestimates these aspects of running the business.