Polybacktest
Polybacktest provides granular historical order book data to help traders simulate strategy performance on Polymarket with high precision.
Polybacktest API for Polymarket Order Book Backtesting and Data
What is Polybacktest?
Polybacktest provides high precision historical order book data and a REST API for traders to backtest strategies on Polymarket bitcoin and ethereum markets.
Ready to try Polybacktest?
Open the official site and get started in a few clicks.
Polybacktest Overview
Traders use Polybacktest to run strategy simulations on Polymarket prediction markets. Users get full order book depth snapshots at sub-second intervals. The dataset contains bitcoin and ethereum up down token pairs. Users query historical moments or pull real-time data through a REST API or a Python SDK. They receive detailed bid and ask levels alongside aligned external price references.
Quantitative traders and bot developers use this API to test crypto event contracts. They validate their ideas before they commit real capital. This process helps them avoid losses from slippage and wide spreads. Researchers also use these detailed snapshots to study price discovery. Traders who build automated systems use the tool to test strategies frequently.
Most standard data feeds do not have the detail needed for realistic backtesting. Polybacktest archives complete order book states to solve this problem. The service keeps this data even after markets resolve. Traders replay exact market conditions to see how their orders execute with real liquidity. They get bitcoin and ethereum reference prices from sources that match Polymarket settlement rules. This alignment makes simulations accurate.
Jack Carroll launched Polybacktest in February 2026. It is an independent project with no official ties to Polymarket. The service is a research tool and processes payments through Stripe. Users can start with a free tier to test the API responses before they upgrade to a paid subscription.
Polybacktest Key features
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Sub-second order book depth
The service saves the full stack of bids and asks for up and down tokens at sub-second intervals. Traders use this data to calculate exact fill prices.
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Historical data preservation
The database stores complete order book snapshots long after markets resolve. Traders replay past market conditions to test their strategies.
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Aligned reference prices
The platform includes Bitcoin and Ethereum prices that match Polymarket settlement rules. Traders analyze how external price movements affect prediction token prices.
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Python SDK support
Developers use a ready-made Python library to fetch market metadata. This tool helps programmers focus on strategy logic.
Polybacktest Demo video
Polybacktest Screenshots
Polybacktest User Reviews
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The sub-second order book depth lets me simulate how my size moves the market on BTC contracts. I stopped guessing on slippage and burning capital. Now I iterate strategies in hours. The historical coverage on resolved markets provides the statistical validation I need. I recommend this to anyone building an edge.
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The API response times are fast. Having full bid and ask stacks aligned with reference prices makes backtesting feel realistic. I caught several strategies that looked profitable on charts but failed on actual liquidity. This saved me from deploying bots that would have lost money.
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Polybacktest provides sub-second historical data. It turned my vague ideas into numbers with real fill modeling. Anyone running bots on these up or down markets needs this level of granularity. It removes the guesswork around stale prices and liquidity impact.
View on X ↗
Is Polybacktest safe & legit?
Australian developer Jack Carroll created Polybacktest in February 2026. Active Polymarket traders trust the tool to test their strategies. The site has low traffic and a private domain registration, but users have reported no scams or security risks.
X account intel @PolyBackTest
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Based in United States
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Joined X December 2020 5 years ago
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Username changes 4 renames last on Jul 26, 2026
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Signup source United States App Store
Public profile signals from X. Use as one input alongside other due-diligence.
Wallet blacklist scan checked Aug 14, 2026
- MetaMask Not flagged
- Phantom Not flagged
- ScamSniffer Not flagged
- EtherAddressLookup Not flagged
- Keplr Wallet Not flagged
Domain polybacktest.com checked against public crypto wallet blacklists.
Polybacktest Updates
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🇺🇸 PRESIDENT TRUMP SAID, “LAST YEAR, I PROMISED TO MAKE AMERICA THE BITCOIN SUPERPOWER OF THE WORLD AND THE CRYPTO CAPITAL OF THE PLANET."
"WE’RE TAKING HISTORIC ACTION TO DELIVER ON THAT PROMISE.”
WILD TIMES AHEAD🔥- 3 replies
- 1 reposts
- 32 likes
- 1.4K views
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Jack Mallers says, “Bitcoin will 200x from here.”
"Bitcoin is going after a $400-500 trillion market, and it's only $2 trillion."- 9 replies
- 11 reposts
- 102 likes
- 5.3K views
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In 2019, a CNBC host dismissed Tom Lee's advice to invest 1-2% of a portfolio in #Bitcoin at $5,000 as "crazy." 😂
- 1 replies
- 8 reposts
- 20 likes
- 1.8K views
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MICHAEL SAYLOR SAID, “IF I’M LUCKY ENOUGH TO GRIND TO 10% OF THE SUPPLY, BITCOIN’S GOING TO BE $50,000,000 A COIN.” 🚀
THIS IS CRAZY 🔥- 11 replies
- 12 reposts
- 125 likes
- 4.4K views
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When 1 #Bitcoin is $1M, you won't care if you bought at 97K or 112K 🚀
- 12 replies
- 26 reposts
- 180 likes
- 3.2K views
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Michael Saylor laying out his Bitcoin masterplan to Elon Musk almost 5 years ago
- 6 replies
- 3 reposts
- 66 likes
- 2.8K views
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MARK MOSS: “THERE ARE 60 MILLION MILLIONAIRES AND ONLY 21 MILLION BITCOIN. DO THE MATH.”
- 32 replies
- 57 reposts
- 447 likes
- 13.1K views
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MICHAEL SAYLOR JUST SAID BITCOIN 4 YEAR CYCLE IS NOW DEAD 🔥
WE ARE ABOUT TO GO PARABOLIC SOON
- 33 replies
- 23 reposts
- 262 likes
- 7K views
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we gotta study this guy’s brain
- 2 replies
- 23 likes
- 2.6K views
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BITCOIN IS ABOUT TO GO PARABOLIC SOON 🚀
THE CHART SAYS IT ALL.- 30 replies
- 24 reposts
- 187 likes
- 13.5K views
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I've already watched this clip 18 times.
And I assure you I'm not the only one. A ton of money managers, tradfi, and older generations deeply respect this guy.
Ray Dalio was right; there's a change in world order.
But it ain't China, it's Bitcoin.- 14 replies
- 23 reposts
- 178 likes
- 8.4K views
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🇺🇸 ERIC TRUMP: “With Bitcoin, you can transfer $500 million on Sunday night with no fees.”
“That scares big institutions”- 13 replies
- 29 reposts
- 165 likes
- 4.5K views
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Mark Zuckerberg says Apple's lack of innovation since the iPhone will lead to its decline
"They haven't really invented anything great in a while. Steve Jobs invented the iPhone, and now they're kind of sitting on it 20 years later"
"Year over year, I'm not even sure they're selling more iPhones at this point. Part of it is that each generation doesn't actually get that much better, so people are taking longer to upgrade"
"They built stuff like AirPods, which are cool, but they've thoroughly hamstrung the ability for anyone else to build something that can connect to the iPhone"
"I'm pretty optimistic that because they've been so off their game in terms of not really releasing many innovative things... eventually they'll get beat by someone"- 6 replies
- 3 reposts
- 36 likes
- 4.9K views
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Tony Hawk reveals turning down $500,000 from Activision was the best financial decision of his life
"When they were close to launching the game, they started to sense that there was buzz about it. It was already getting good reviews from previews and they felt this surge of interest"
"They offered me a buyout of future royalties right before the game launched. They offered me half a million dollars. They said you get that right now and then no money going forward"
"No one had ever spoken those types of numbers to me before, but I felt like I was in a pretty good place. I was doing well in other ways. I was still skating a lot, doing events, I had good endorsements, and I thought I'm gonna take a risk and I don't need that money right now"- 2 replies
- 2 reposts
- 22 likes
- 3.3K views
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BITCOIN IS GOING TO $280,000 SOONER THAN YOU THINK.
IT’S COMING 🚀
- 13 replies
- 33 reposts
- 299 likes
- 9K views
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OPENAI FOUNDER SAM ALTMAN: "I'm excited about Bitcoin."
"This idea that we have a global currency that is outside the control of any government is a super logical and important step." 🧠- 2 replies
- 5 reposts
- 39 likes
- 2.6K views
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🇸🇻 NAYIB BUKELE: “If the government can print unlimited amounts of money out of thin air, why do they collect taxes?”
- 6 replies
- 6 reposts
- 48 likes
- 2.7K views
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LARRY FINK: “If every millionaire in the U.S. asked their financial advisor to get them one Bitcoin, there wouldn’t be enough."
- 17 replies
- 8 reposts
- 196 likes
- 3.9K views
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MICHAEL SAYLOR: “Inflation is worse than you think, and Bitcoin is better than you know.”
- 10 replies
- 16 reposts
- 149 likes
- 2.9K views
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Elon Musk says the future of currency will be "work and energy."
Bitcoin = work + energy ⚡️- 3 replies
- 4 reposts
- 51 likes
- 2.7K views
Polybacktest Reviews & Comments
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