Crypto Market Jumps as Post Fed Rate Hike Jitters Fade; Bitcoin Tops $80,700

According to CoinDesk on Friday, September 18, 2026 (27 Shahrivar 1405), the crypto market staged a broad advance as inflation worries from the US Federal Reserve's rate hike (a 0.25 percentage point increase to a range of 3.75 to 4 percent on Wednesday, September 16) began to fade. Layer 2 and DeFi tokens led the move: starknet gained 18 percent, arbitrum 17 percent and uniswap 13 percent over 24 hours, while CoinDesk's DeFi Select Index rose 8.3 percent. CoinDesk attributed the rally to the 10 year US Treasury yield slipping back below 5 percent and Brent crude easing below 103 dollars, which eased the inflation scare that followed the rate increase.

Bitcoin, which had risen above 78,000 dollars during Friday's European morning, reached about 80,700 dollars by Friday evening Tehran time. According to Trading Economics, bitcoin traded at 80,735 dollars as of 19:34 Tehran time on September 18, up 5.66 percent on the day, while Sahmino's own price board recorded a similar figure of 80,712 dollars, up 5.22 percent, at the same hour. Other major cryptocurrencies rose in step: ether gained 5.4 percent to 2,580 dollars, XRP rose 6.9 percent to 1.38 dollars and solana gained 9.3 percent to 111 dollars.