Bitcoin and cryptocurrency prices have continued to surge higher in October after struggling through September (proving some market watchers right).

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The bitcoin price has added around 10% over the last 24 hours, climbing to highs not seen since bitcoin hit its all-time highs almost six months ago and pushing the combined cryptocurrency to over $2.3 trillion—up from lows of $1.8 trillion last month.

The surge higher comes after some of the world’s biggest banks renewed their bullish bitcoin and crypto calls, led by Wall Street giant Bank of America BAC , which said bitcoin and crypto have now become “too large to ignore.”

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