Adding liquidity means depositing two tokens into a pool so other users can swap against it. In return, the pool gives you LP tokens (your receipt). As trades happen, the pool charges a swap fee and distributes it pro-rata to LPs. On QuickSwap you can provide liquidity on Polygon and several other EVM networks with low gas costs and a simple, wallet-first UX.
If you’re new to AMMs, skim Ethereum.org’s AMM intro for how pools price trades and why balances shift, and keep the QuickSwap Docs open for pool specifics and addresses. For gas/token setup on Polygon, see the Polygon docs.
QuickSwap pool types (and why they matter)
Classic pools (constant product, v2-style).
You deposit both tokens (e.g., 50/50 by value). Fees are typically a fixed tier (often 0.30%, but always check the UI).
Concentrated-liquidity pools (where available).
Similar to Uniswap v3. You can choose a fee tier and a price range to concentrate your liquidity. This can earn more fees per capital but needs active management. Details vary by network—verify in the QuickSwap Docs before you deploy.
Tip: If you don’t want to babysit positions, start with a classic 50/50 pool on a deep pair (e.g., POL/WETH, USDC/WETH, etc.), then explore advanced pools later.
Risks you should understand first
Impermanent loss (divergence loss). When prices move, your token mix changes. Fees can offset this, but not always. Read the beginner-friendly explainer on Ethereum.org (LP risks)
to frame expectations.
Smart-contract & UI risk. Interact only with verified addresses from the QuickSwap Docs and your wallet’s trusted networks.
Asset risk. If either token collapses or loses its peg, your position’s value drops.
What you’ll need
Self-custody wallet (MetaMask, Rabby, etc.) connected to the right network.
Gas on that network (on Polygon PoS, POL/MATIC). See Ethereum.org’s gas guide if fees are unclear.
Both tokens you want to deposit. For classic pools you’ll supply by value in roughly equal parts; concentrated pools can accept a one-sided deposit if your chosen price range is far from the current price.
Token contract addresses from official sources (project docs, explorers) to avoid look-alikes.
Step-by-step: add liquidity on QuickSwap
Open the app and connect
Visit QuickSwap and connect your wallet. Confirm the network (e.g., Polygon PoS).
Go to “Liquidity”
In the app, open Pools / Liquidity and click Add Liquidity (wording can differ slightly across deployments).
Choose your pair
Select Token A and Token B. If a token isn’t listed, paste the contract address from a trusted source.
Enter amounts
Type how much of one token you want to deposit; the UI will compute the matching amount of the other token at the current pool price.
If the pool doesn’t exist, you’ll see a prompt to create it (advanced; fees/initial price matter—beginners should usually use existing pools).
Approve both tokens
First-time deposits require Approve transactions for each token. Prefer exact approvals (not unlimited) if you can.
Supply liquidity
Click Supply / Add Liquidity, review the numbers (share of pool, deposit amounts, expected LP tokens), and Confirm in your wallet.
Save your receipts
Copy the transaction hash (e.g., view on Polygonscan). Your wallet (or the app) will now show LP tokens or a position card for this pair.
Stake LP tokens
Some pools offer farming rewards. If you stake LPs, understand lockups, reward tokens, and extra gas costs. Check the incentives page in the QuickSwap Docs.
Step-by-step: add liquidity to a concentrated pool
Pick the fee tier (e.g., 0.05%, 0.30%, 1.00%—varies by pair). Tighter spreads usually suit stable pairs; higher tiers suit volatile pairs.
Set your price range
Full range is simplest but spreads capital thinly.
Narrow range concentrates capital for higher fee capture if trades happen within your band—but it can go “out of range” (earning stops) if price moves.
Deposit tokens
The UI will show required amounts based on your range. Approve, then Add.
Monitor
Concentrated LPing is active. If price drifts outside your range, consider rebalancing or widening the band.
For mechanics and examples, consult the concentrated-liquidity section in the QuickSwap Docs and the AMM resources on Ethereum.org.
How LP fees actually accrue
Swap fees are collected into the pool and claimable by LPs.
In classic pools, your LP token balance represents your share. In concentrated pools, your position NFT/card tracks your range-specific share.
Fees remain unclaimed until you collect (claim) or remove liquidity. Check the position view periodically.
Estimating returns (and staying realistic)
APR ≠ guaranteed. It’s a backward-looking projection based on recent fees and volume.
Volume matters. Deep, high-volume pools tend to generate steadier fees.
Volatility cuts both ways. Big swings increase trade volume (more fees) but also increase impermanent loss risk. Use small test positions to learn the rhythm of a pair.
Rebalancing, collecting fees, and removing liquidity
Collect fees from the position page. This sends accrued fees to your wallet (minus gas).
Add/remove to change exposure. Removing converts your share of the pool back into the two tokens (plus any unclaimed fees).
Rebalance concentrated positions by adjusting your price range or redeploying capital after collecting.
FAQ
How much do I earn as an LP?
You earn a pro-rata share of swap fees (plus any farming incentives). Earnings vary with volume, fee tier, and how often the price sits in your range (for concentrated pools). See pool specifics in the QuickSwap Docs.
What is impermanent loss in one sentence?
It’s the gap between simply holding your two tokens vs. providing them to a pool when prices diverge. Fees can offset it, but not always—read Ethereum.org’s LP risk section.
Do I need both tokens?
For classic pools, yes (50/50 by value). For concentrated pools, a one-sided deposit can be possible depending on your range and current price.
Which network should I use?
Polygon PoS is the most common starting point due to low fees. Confirm the active deployments and addresses in the QuickSwap Docs and network setup in the Polygon docs.
Conclusion
Providing liquidity on QuickSwap
can turn your idle tokens into fee-earning assets, but it’s not set-and-forget. Start with a deep, classic pool to learn the flow; keep QuickSwap official docs open for addresses and pool details, refer to Ethereum.org for AMM and LP fundamentals, and use the Polygon docs for network setup and explorers. Move slowly, size modestly, and build the habit of tracking every position and fee claim on-chain. With that routine, you’ll understand your risk, capture more of the trading activity you care about, and manage liquidity positions with confidence.
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