No, Nimb is not affiliated with Polymarket. Nimb is an independent tool that reads Polymarket's public data and sends orders to Polymarket from the wallet you connect; it never holds your funds. Reading is free; Nimb earns a small builder fee, included in the price you see, only on orders placed through Nimb.
Is Nimb part of Polymarket, and how is it paid?
| Question | Answer |
|---|---|
| Is Nimb part of Polymarket? | No. Nimb is independent and not affiliated with, endorsed by or owned by Polymarket. |
| How does Nimb make money? | A small builder fee on orders placed through Nimb, included in the all-in price on the ticket. |
| Does Nimb profit when you lose? | No. Nimb never takes the other side of your trade. The fee is the same whether your position wins or loses. |
| Does Nimb hold your funds? | No. Your money stays in your own wallet and your Polymarket account wallet. Nimb cannot move it. |
| Does Nimb sell your data? | No. |
| Why is reading free? | The map, the market pages and these docs cost nothing and need no wallet. Only orders carry the fee. |
How is Nimb independent from Polymarket?
Polymarket runs the markets: it lists them, matches orders in its order book, holds the contracts and settles them when an event resolves. Nimb does none of that. Nimb is a separate front end built on Polymarket's public interfaces:
- Data. Prices stream from Polymarket's order book (the CLOB) over a WebSocket; markets and volumes come from Polymarket's Gamma API; holders and P&L come from Polymarket's public data API. Anyone can read these. See data sources and freshness.
- Orders. When you trade, your wallet signs the order and Nimb passes it to Polymarket. Polymarket, not Nimb, matches and settles it.
- Rules. Polymarket's terms, market rules and resolution apply to every trade. Nimb cannot change how a market resolves.
Because Nimb is not Polymarket, we do not place Polymarket's logo next to ours without written permission. We credit the data in words instead: "Data from Polymarket".
How does Nimb make money: what is the builder fee?
Nimb takes part in Polymarket's builder program, which lets independent apps send orders to Polymarket and attribute them. Every order placed through Nimb carries Nimb's builder code, a public identifier that tells Polymarket the order came through Nimb. On those orders, Polymarket collects a builder fee, a percentage of the order's notional value, and pays it to Nimb.
On Nimb this is a small builder fee, included in the price you see. Builder fee rates are public: Polymarket publishes each builder's rate so you can check what an app charges before you use it.
How does the fee appear on the ticket?
The amount you type is the all-in amount. Polymarket's own platform fee (where a market has one) and Nimb's builder fee are folded into the number of shares you get, never added on top. If you type $100, you spend about $100. The break-even probability on the ticket already includes both fees. The arithmetic, with a worked example, is on fees and all-in pricing.
When is there no fee?
Reading costs nothing. Browsing the map, opening a market, reading holders and money flow, and the docs carry no fee and need no wallet. The builder fee applies only to orders placed through Nimb. It applies to taker sells as well as buys. Orders you place directly on polymarket.com do not carry Nimb's code.
What are our incentives, and how do we limit them?
Here is the plain incentive: we earn on volume. The more orders go through Nimb, the more Nimb earns, whether those orders win or lose. A business paid on volume has a reason to push you to trade more. We limit that pull in public, in ways you can check:
- We do not take the other side. Nimb is not a counterparty and has no position in your trade. Your loss is not our gain.
- We publish risk and limitation pages. Every page about money links to the risks of prediction markets; known limitations lists where our analytics are weak, with our own error rates.
- We do not push trades. No countdowns, no "trade now" banners, no notifications to buy. The ticket button names the next step (Connect wallet, Enter an amount, Buy Yes · $100), nothing more.
- We teach reading first. Most of these docs are about market reading, and the "Before you trade" checks come before the ticket, not after.
- We show the fee. The all-in price and break-even include it, and the rate is public on Polymarket.
Does Nimb hold my funds?
No. Nimb is non-custodial. You connect a self-custody wallet such as MetaMask, Rabby, Coinbase Wallet or one reached through WalletConnect. Your funds sit in that wallet and in your Polymarket account wallet (a Deposit Wallet controlled by your own address), held as pUSD on Polygon.
- Nimb never sees your recovery phrase or private keys, and never asks for them.
- Every order needs your signature in your wallet. Nimb cannot place, change or cancel an order without it.
- Nimb cannot withdraw or move your funds.
- If Nimb went offline tomorrow, your positions would still be on Polymarket, reachable from polymarket.com with the same wallet.
How to connect, and what each signature means, is on connect your wallet to Nimb.
What happens to my data?
Reading the map needs no account, no email and no wallet. What we know about you depends on what you do:
| Data | What Nimb does with it |
|---|---|
| Browsing (pages viewed) | Counted with aggregate, cookie-free analytics; no tracking cookies. |
| Wallet address | Used in your browser to show your balance and positions and to build orders. |
| Orders and positions | Public on Polygon and in Polymarket's data, like every Polymarket trade. Orders through Nimb are attributed to Nimb's builder code. |
| Personal data | Nimb does not ask for your name or email to read or trade. Wallet addresses are public data, and we never combine them with personal data. |
| Sale of data | We do not sell your data. |
At the time of writing (2026-11-07) Nimb has no separate privacy policy page; this table is the full statement.
Next: about Nimb for the name and how to reach us, or How Nimb works for the short version.
Last reviewed 2026-11-07 · Data from Polymarket · Not financial advice · Nimb is not affiliated with Polymarket.