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Trader Plan C recently surfaced a chart indicating a production-cost model placing Bitcoin’s marginal mining expense at approximately $67,000, with historical price action showing repeated bounces off that red line.
He added that “commodities rarely trade below their cost of production.” The hook is clean, the logic is intuitive, but the reality beneath Bitcoin’s latest volatility is messier and more instructive than any single line can capture.
Bitcoin printed an intraday low 
in the coming weeks or…
