Start with a question
Free Polymarket and crypto research tools
Check a trader, calculate the cost of a position, or test the depth behind a price gap. Use the free tools, keep a shareable calculation, then open the relevant Vultax research view when you need the market or wallet behind the number.
Choose a research task
Polymarket wallet lookup
Enter a wallet address or Polymarket profile to inspect reported performance, volume and available cohort rank.
Free overview. Positions and trades are included in paid plans.
Look up a walletPolymarket fee calculator
Look up a market's fee rate or enter a price and size in shares or dollars. See the trading fee, total cost and profit if your outcome wins.
Free calculator. No account required.
Calculate Polymarket feesBitcoin order books by exchange
Compare the bid, ask, spread and reported depth across responding exchanges. Each row carries its observation time.
Free public snapshot. Check the source times on the page.
Compare BTC order booksCrypto arbitrage scanner
Inspect displayed cross-exchange price gaps and the costs used in route estimates, with venue and liquidity context.
Free public snapshot. Research estimates do not establish an executable trade.
Compare exchange spreadsPrediction market contract review
Record the two rulebooks, compare six settlement questions, test four edge cases and export your dated review.
Free worksheet. Your entries stay in your browser.
Compare settlement rulesPolymarket API in Python
Use the worked Python examples to read markets and order books, preserving the market IDs, source times and missing data.
Free tutorial. Public read endpoints; no trading credentials required.
Try the public API examplesFunding Rate Calculator
Calculate perpetual futures funding paid or received, payment counts and trading fees. Enter a long or short position, your venue's rate and its schedule.
Free calculator. Share your scenario or download the result. No account required.
Calculate funding costPrediction Market Payout Calculator
Calculate payout, profit, loss and break-even for $1 binary shares. Compare selling now with holding at your own probability, including entered costs.
Free calculator. Share your scenario or download the result. No account required.
Compare payout and sellingPolymarket Copy Trading Cost Calculator
Compare a Polymarket leader's price with your fill. Calculate extra copying cost, taker and platform fees, profit if it wins and break-even probability.
Free calculator. Share your scenario or download the result. No account required.
Check copying costsCrypto Arbitrage Calculator: Profit After Fees
Calculate a crypto arbitrage route's profit after buy, sell and transfer costs. See net return and the break-even exit price using your entered fills.
Free calculator. Share your scenario or download the result. No account required.
Price an arbitrage routeSlippage Calculator: Order Book and Average Fill
Paste order-book levels to calculate average fill price, slippage, trading costs and any unfilled quantity. Test a buy or sell against supplied depth.
Free calculator. Share your scenario or download the result. No account required.
Estimate price impactBrier Score Calculator: Probability Forecast Accuracy
Calculate binary Brier score from forecast probabilities and resolved outcomes. Compare error with a constant reference and export the scored sample.
Free calculator. Share your scenario or download the result. No account required.
Score resolved forecasts
From a calculation to the record behind it
A free tool answers the first question. Vultax brings the market views and trader records alongside it. A wallet overview is free; Essential adds positions and trades. Compare the plans for the workflow you need.
Keep the context with the number
A wallet's realised P&L depends on what it closed. A displayed spread depends on the quote time, fees and available depth. Similar market titles can hide different settlement rules. Each tool explains what its result measures and what remains unknown.
Read how Vultax measures markets →Follow the evidence
Vultax publishes original studies with methods, observation periods and downloadable tables. Use the research to investigate trader performance, copying costs, liquidity and exchange feeds alongside the tools.
Browse the published research →