美国芝商所再次上调黄金、白银期货保证金比例

Group 1 - Recent fluctuations in precious metal prices have been significant, with April gold futures priced at $4913.20 per ounce, up 0.48%, and March silver futures at $74.385 per ounce, down 3.04% as of February 6 [1][3] - The Chicago Mercantile Exchange announced an increase in the initial margin requirements for gold and silver futures, with COMEX 100 gold futures rising from 8% to 9% and COMEX 5000 silver futures from 15% to 18%, effective after the market close on February 6 [3][5] - The margin increase is the seventh adjustment for silver futures since December 2025, aimed at ensuring adequate collateral coverage in response to market volatility [3][5] Group 2 - The precious metals market experienced a period of extreme price volatility, with silver prices reaching historical highs in late January before a rapid decline, leading to increased short-term volatility [5] - Higher margin requirements typically have a negative impact on related contracts, as increased capital expenditure can suppress speculative participation, reduce liquidity, and force traders to liquidate positions [5] - In the short term, traders may need to reduce positions to meet additional margin requirements, potentially amplifying selling pressure and increasing market turbulence, while in the long term, this measure may help eliminate excessive leverage and stabilize extreme volatility risks [5]