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USDA's weekly crop condition ratings begin in late May and serve as an early read on corn and soybean prospects. The article reviews four decades of ratings data and how the first-week ratings have historically related to final yields.
Early condition ratings shift market expectations for yield, and the historical link to final output helps buyers gauge how much weight to give each weekly report.
在过去 770 次中性的报告事件之后,玉米 在 5 个交易日内中位数变动 +0.2%(54% 上涨;中间一半区间为 -1.1% 至 +1.6%),20 个交易日内为 +0.7%。
在过去 563 次中性的报告事件之后,大豆 在 5 个交易日内中位数变动 -0.1%(48% 上涨;中间一半区间为 -1.7% 至 +1.6%),20 个交易日内为 -0.1%。
各商品基准价相对事件前最后收盘价的变动。历史数据汇总同类过往事件;仅描述已发生的情况,不代表未来走势。不构成投资建议。