# Bitcoin Falls, but These 3 Altcoins Take a Harder Hit: Losses Reach 10%

> As the crypto market fell, Ethereum layer-2 tokens Optimism, Mantle, and Arbitrum dropped between 7% and 10%, falling more sharply than Bitcoin and Ethereum. A comparison prepared by CoinDesk Indices…

**As the crypto market fell, Ethereum layer-2 tokens Optimism, Mantle, and Arbitrum dropped between 7% and 10%, falling more sharply than Bitcoin and Ethereum.**

A comparison prepared by CoinDesk Indices **as of 12:10 p.m. TRT on October 7** shows that losses over the past 24 hours were notably larger for these three tokens. While [Bitcoin](https://koinbulteni.com/btc-bitcoin) fell 2.3% and Ethereum declined 3.7%, all three altcoins dropped by more than 7%.

### Optimism posts the steepest decline

Among the three altcoins in the comparison, **Optimism (OP) posted the largest loss, at 10%**. It was followed by **Mantle (MNT), down 9.7%**, and **Arbitrum (ARB), down 7.1%**. OP’s percentage loss was more than four times Bitcoin’s.

Over the same period, the **CoinDesk 100 index fell 3%**. This left the three Ethereum layer-2 tokens notably behind not only Bitcoin and Ethereum but also the index.

### Selling pressure also weighs on futures

Data on derivatives trading across the broader market also points to a cautious outlook. According to the data cited in the report, futures [trading volume](https://koinbulteni.com/en/guides/trading-volume-vs-liquidity-difference) rose **16% to $182.85 billion** over the past 24 hours, while the total value of open positions **fell 1% to $152.6 billion**.

Funding rates for perpetual futures on major crypto assets, including Bitcoin and Ethereum, turned slightly negative, indicating that short-position holders were paying long-position holders. In this broader market environment, the losses in OP, MNT, and ARB highlighted weakness in Ethereum layer-2 tokens.