Home › Guides › Polymarket Fees

Polymarket Fees Explained: Complete 2026 Breakdown

Updated March 2026 — Everything you need to know about Polymarket's fee structure, from trading costs to gas fees, plus tips to minimize what you pay.

Quick Summary

How Polymarket's Fee Structure Works

Polymarket operates on a central limit order book (CLOB) model, similar to traditional stock exchanges. This means fees depend on whether you're a maker (placing limit orders) or a taker (accepting existing orders).

Unlike most prediction market platforms, Polymarket charges near-zero explicit fees. The platform earns revenue primarily through market making and spreads rather than per-trade commissions.

Maker vs. Taker Fees

Order Type Fee How It Works
Maker (Limit Order) 0% You set your price and wait. Your order adds liquidity to the book.
Taker (Market Order) 0.01% You accept an existing order. Your trade removes liquidity.
Example: You buy 100 Yes shares at $0.65 each ($65 total).
Limit order fee: $0.00 (maker)
Market order fee: $0.0065 (taker, 0.01%)
The explicit fee is negligible either way.

The Real Cost: Bid-Ask Spread

While Polymarket's explicit trading fees are nearly zero, the bid-ask spread is where most of your trading cost comes from. This is the difference between the best buy price and the best sell price for a contract.

Market Liquidity Typical Spread Round-Trip Cost
High volume (>$1M) 1-2 cents ~2-4%
Medium volume ($100K-$1M) 2-5 cents ~4-10%
Low volume (<$100K) 5-15 cents ~10-30%
Example: A market shows Yes at 65 cents (buy) / 63 cents (sell).
The 2-cent spread means if you buy at 65 and immediately sell at 63, you lose 2 cents per share — about 3% of your position.
This is the real cost of trading, not the 0.01% fee.

Deposit Fees

Polymarket accepts deposits in USDC (a stablecoin pegged 1:1 to USD) on the Polygon blockchain.

Deposit Method Fee Speed
USDC from crypto wallet (Polygon) Free ~2 seconds
USDC from exchange (Coinbase, etc.) Exchange withdrawal fee only 1-5 minutes
Credit/debit card Card processing fee (~2-3%) Instant

Cheapest Way to Deposit

Buy USDC on Coinbase (or another exchange with free Polygon withdrawals), then send it directly to your Polymarket wallet address on Polygon. Total cost: $0 if your exchange offers free USDC withdrawals.

Withdrawal Fees

Withdrawals from Polymarket are in USDC to your connected crypto wallet. Polymarket charges no withdrawal fee — you only pay Polygon network gas.

Step Fee Details
Polymarket → Crypto wallet (Polygon) <$0.01 Polygon gas fee only
Crypto wallet → Exchange (sell USDC) Varies Exchange deposit is usually free
Exchange → Bank account (USD) Free - $5 Depends on exchange (Coinbase: free ACH)

Gas Fees Explained

Polymarket runs on the Polygon blockchain, which has extremely low gas fees compared to Ethereum. Gas fees are not charged by Polymarket — they go to blockchain validators.

For most traders, gas fees are essentially invisible and cost less than a penny per trade.

Polymarket vs. Kalshi: Fee Comparison

Fee Type Polymarket Kalshi
Trading fee ~0% (0.01% taker) 1-7% on winning trades
Deposit Free (USDC) Free (ACH) / fee (debit card)
Withdrawal Free (gas <$0.01) Free (ACH) / $5 (wire)
Currency USDC (crypto) USD (fiat)
Typical spread 2-5 cents 3-8 cents
All-in round-trip ~2-4% ~5-15%
Tax reporting Self-report (crypto) 1099 form issued

Polymarket is significantly cheaper for frequent traders due to near-zero explicit fees. However, Kalshi's advantage is simpler tax reporting (1099 forms) and direct USD deposits — no crypto required. See our full platform comparison for more details.

Other Platform Fees for Comparison

Platform Trading Fee Notes
Polymarket ~0% CLOB model, USDC-based
Kalshi 1-7% CFTC-regulated, USD
PredictIt 10% on profits + 5% withdrawal No new accounts, winding down
Manifold Markets Free (play money) Non-monetary, practice platform

5 Ways to Minimize Polymarket Fees

  1. Use limit orders, not market orders. Maker fee is 0% vs. 0.01% taker. More importantly, you avoid the spread — often saving 2-5 cents per share.
  2. Trade in liquid markets. High-volume markets have tighter spreads (1-2 cents vs. 5-15 cents in illiquid markets). Check volume on PredScope before trading.
  3. Deposit USDC directly. Avoid card deposits (2-3% fee). Buy USDC on an exchange with free Polygon withdrawals, then send to your Polymarket wallet.
  4. Hold to resolution when possible. Selling early means paying the spread twice (entry + exit). If you're confident in your position, holding to resolution saves you the exit spread.
  5. Use the odds calculator to factor in fees and spreads before entering a position. Even small spread costs erode your edge on close bets.

Pro Tip: Check Liquidity Before Trading

The biggest hidden cost on Polymarket isn't the fee — it's the spread. Before entering any position, check the order book depth. If there's only $500 on the bid side and you're trading $1,000, you'll move the price and pay a much wider effective spread. Use PredScope to compare volume and liquidity across markets.

Frequently Asked Questions

Does Polymarket charge fees on losing trades?

No. There are no fees on losing positions. You only pay the small taker fee (0.01%) when you execute a trade, regardless of the outcome. If your position loses, the only cost is the shares you purchased — no additional fees.

Are Polymarket fees higher for certain categories?

Polymarket's explicit fees (0.01% taker) are the same across all market categories. However, effective costs vary by market because spreads differ. Political markets and high-profile events tend to have tighter spreads (lower cost), while niche crypto markets may have wider spreads.

Do I need MATIC to pay gas fees on Polymarket?

Technically, Polygon transactions require MATIC for gas. However, Polymarket typically covers gas fees for users through a relayer system, so you don't need to hold MATIC separately. Your USDC balance is all you need to trade.

How do Polymarket's fees compare to stock trading?

Polymarket's explicit fees (~0%) are comparable to zero-commission stock brokers like Robinhood. The key difference is the bid-ask spread — prediction markets typically have wider spreads (2-5 cents) than liquid stocks (often under 1 cent). For frequent traders, Polymarket is competitive with traditional financial markets.

Can I avoid all fees on Polymarket?

You can avoid all explicit fees by using only limit orders (0% maker fee), depositing USDC directly from a wallet (no card fee), and holding positions to resolution (no exit spread). The only unavoidable cost is the entry spread when buying or selling.

Are Polymarket winnings taxable?

Yes. Polymarket profits are generally taxable. Since Polymarket uses USDC (cryptocurrency), profits may be treated as capital gains in most jurisdictions. Polymarket does not issue tax forms — you are responsible for self-reporting. See our legality guide for more details, and consult a tax professional for your specific situation.

Track Markets Before You Trade

Compare odds, volume, and liquidity across prediction markets on PredScope.

Browse Live Markets Compare Platforms

Related Guides