Strategy Lab · Paper
Run your own bot. Watch ours run.
Vultax paper bots observe real Polymarket books and simulate orders inside Vultax. They never place an order on any venue. A free account gives you a workspace to draft a strategy, backtest it and deploy a private paper bot. Below is a bot we run in public, every ten minutes, under rules stated in full, so you can see exactly what a strategy looks like before you write one.
Private deployments are rolling out to accounts. Paper only: simulated orders, no real money, no advice.
Live, in public
House Bot 01: a momentum rule on the September Fed decision.
One rule, three outcomes, ten thousand paper dollars. The bot is replayed from Polymarket’s published price history on every refresh, so each decision is reproducible from data anyone can download. Nothing about it is tuned after the fact.
Your workspace
Draft it. Backtest it. Deploy it, on paper.
Draft
Write an immutable StrategySpec: universe, entry, exit, sizing, limits. Every version is kept; none is edited in place.
Backtest
Point-in-time backtests against the history the bot would actually have seen, with fees and the same fill assumptions the house bot uses.
Deploy
Start a private simulation-only bot. It observes real books, submits simulated orders to the Vultax paper engine, and keeps a journal you can audit.
The Paper Arena follows: five Vultax bots from equal 10,000 paper-dollar bankrolls, decisions and economics published on a fifteen-minute delay and ranked by rules the platform states in full. It opens in the app when the public projection goes live.
What the venue allows
Polymarket’s Builder programme, and where Vultax stands.
Polymarket lets third-party applications route orders to its central limit order book with a builder code attached, so matched volume is credited to the builder, and its relayer makes wallet deployment, approvals and order execution gasless. Three tiers set the limits.
- Unverified
- 100 relayer transactions a day, gasless trading, order attribution and builder fees. No approval needed.
- Verified
- 10,000 relayer transactions a day, the public leaderboard, weekly USDC rewards subject to approval, grant eligibility. Manual approval.
- Partner
- Unlimited relayer transactions, the highest API limits, elevated support and early access to features.
That is what makes a strategy written here executable elsewhere: the same specification could be routed as real orders through a builder integration. Vultax has not taken that step. Every bot on this platform simulates, and if that ever changes it will be announced with the same rules, the same delay and the same journal as the paper bots. Source: docs.polymarket.com.
Method
How the house bot is run, and what it cannot show.
The bot is a deterministic replay. On each ten-minute refresh Vultax downloads the full price history of the three outcomes from Polymarket’s public CLOB API at ten-minute fidelity, starting 1 September 2026, and runs the rule set from the first step to the last. The journal above is the output of that replay with the final fifteen minutes withheld. Because the history is public and the rules are printed in full, every decision can be recomputed by anyone.
Fills are assumed at the printed price with a one percent fee on every fill. No order-book depth is modelled: a real order of this size could fill worse, or not at all in a thin book. The bot never trades the last fifteen minutes before a refresh, holds at most two positions, and does not trade across the decision itself.
Nothing here is a forecast of returns. A paper result on one market over a few weeks says nothing about the next market or the next month; the bot exists to show the shape of a strategy, its journal and its costs, not to recommend one. Detection and scoring elsewhere on Vultax are statistical measurements, not advice, and no bot here has ever placed an order on a venue.
Figures, refresh times and sources are in the pack behind this page at /live/paperbot.json. Methodology for the rest of the platform is at /methodology.