Nikkei 225 futures plunge 7% in early trading

A 7% futures move ahead of the cash open signals a disorderly repricing rather than an orderly one, and with no stated catalyst in the item, the gap between derivatives and the underlying index is the real story. The absence of detail matters: when the cause isn't yet identified, the futures print is doing the work of price discovery, and that discovery is happening under thin pre-open liquidity. What's worth watching is whether the cash market confirms this level or the futures move proves to be a liquidity artifact once the open absorbs the selling.