NZDUSD experienced a quick drop after the Trade Balance news due to weaker-than-expected trade data from New Zealand. When the trade balance shows a deficit or comes below market expectations, it signals that imports are higher than exports, reducing demand for the New Zealand Dollar (NZD).

This creates immediate selling pressure in the market, as traders interpret the data as a sign of economic weakness. With lower export performance and reduced foreign demand, NZD loses strength, causing NZDUSD to fall sharply.

Additionally, the move was amplified because the NZD was already under pressure from recent weak economic indicators like GDP. As a result, traders reacted quickly, leading to a strong bearish impulse move in the pair right after the news release.