Four of the five largest cryptocurrencies are trading on Monday above every price they reached in the past 90 days: Bitcoin at $86,042, Ethereum at $2,754.71, Solana at $117.79 and BNB at $797.82 (CoinGecko, September 21, 2026, 17:13 UTC). The fifth, XRP, puts on the strongest 24-hour gain of the group at 6.54 percent, yet at $1.50 it remains almost ten percent below its high of August 22.
This breadth has a measurable trigger, and it comes with a measurement trap that caught many price pages on Monday: a high that exists only in daily closes is no high at all. One thing at a time.
Measured against the hourly series: four highs are real, five exist only in daily closes.The measurement: who really stands above every price of the past 90 days
The measurement was taken against CoinGecko's hourly series rather than against sentiment: 2,161 hourly values per coin, retrieved on September 21, 2026 at 17:24 UTC. A coin stands at a three-month hig...
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