Arbitrum

ARB 1 Hour Move

-1.27%

$0.13 → $0.12

Why Arbitrum is down 1.3% in the last hour

Analysis

Arbitrum (ARB) slipped 1.3% over the past hour as risk sentiment weakened following reports of a major security incident affecting Ethereum and Arbitrum. U.Today reported a “massive $290 million hack,” which likely pressured ARB in the near term as traders reacted to exploit-related headlines and potential ecosystem uncertainty.

Contributing Factors (1)

U.Today Hack/Exploit 3 days ago

Massive $290 Million Hack Hits Ethereum and Arbitrum

One of the largest decentralized finance (DeFi) exploits of 2026 took place on Saturday..

Confidence

81%

Read source

Move Details

Asset Arbitrum

Symbol ARB

Direction ↓ Bearish

Timeframe 1 Hour

Start Price $0.13

End Price $0.12

Change -1.27%

Detected Apr 20, 2026 5:55 AM

Explanation Confidence

81%

High confidence in the explanation based on source reliability and timing.

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