Polymarket Fees Spreads and Arbitrage Explained
Polymarket charges higher taker fees and zero maker fees, with costs peaking when market probabilities sit near 50/50. The fee formula uses shares, price, and the inverse of the price, making frequent trading near a coin flip the most expensive approach. Spread and slippage eat into profitability. Even slight execution delays or stale quotes lead to adverse selection, meaning the actual fill price is often worse than expected. Simple arbitrage opportunities disappear in seconds because automated bots grab them. Complex arbitrage across linked markets offers more potential but lacks the liquidity needed for large profits.
Crypto Exchange Fees Compared Binance Kraken Coinbase
Crypto exchange fees vary widely based on the platform, your trading volume, and whether you add or take liquidity from the order book. Binance generally has the lowest fees around 0.10%, Kraken Pro offers a balance of low fees and reliability from 0.16% to 0.26%, and Coinbase has higher fees between 0.4% and 0.6%. The listed trading fee is not the only cost. Spread and withdrawal fees can significantly increase the actual price of a trade, so always check those hidden costs before committing to a platform. For small trades, fee differences are negligible and usability matters more. US residents often choose Coinbase or Kraken for regulatory compliance, while high-frequency traders often seek out low-fee platforms like Hyperliquid for better rates.