瑞银:全球策略:新兴市场策略:油价会击垮新兴市场信用吗?
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摘要
自伊朗冲突开始以来,新兴市场信用(EM credit)指数仅下跌3.3%,表现优于MSCI新兴市场股票(-10.4%)和新兴市场本币债券(-4.8%)。瑞银情景分析显示,若霍尔木兹海峡封锁持续至4月底,布伦特原油可能突破150美元/桶。在此情景下,EMBI利差可能重新定价70-80个基点,全年总回报率可能为-9%;若冲突在4月初解决,则回报率为+4.4%。报告认为新兴市场信用估值偏贵(较公允价值偏差>100bps),且债务服务成本上升(占GDP 3.5%,2021年为2.5%)。推荐超配石油出口国(安哥拉、尼日利亚、阿塞拜疆、阿曼)和短久期策略,低配波兰、埃及、印度尼西亚和科威特。中欧和东欧(CEE)地区因财政起点较差和负面评级展望而更易受影响。
主要观点
- 新兴市场信用自冲突以来仅下跌3.3%,而MSCI新兴市场股票下跌10.4%,新兴市场本币债券下跌4.8%。
- 瑞银情景分析:若霍尔木兹海峡封锁持续至4月底,布伦特原油峰值可能超过150美元/桶。
- 若封锁持续至夏季,EMBI GD全年总回报率可能为-9%;若4月初解决,则为+4.4%。
- 新兴市场信用估值偏贵:EMBI GD利差较公允价值偏差>100bps;IG和HY利差均低于历史均值1.2个标准差。
- 债务服务成本占GDP比重从2021年的2.5%升至3.5%。
- 与2022年能源危机相比,新兴市场信用资产负债表指标(如外债/储备、外汇债务占比)改善,但估值更贵,财政状况更弱。
- 新兴市场HY净供给较低(过去12个月仅220亿美元,2021年为550亿美元),但资金流入可能逆转。
- CEE地区财政脆弱:平均债务/GDP约69.9%,高于EMBI均值;8个负面评级展望。
- 低配波兰(2027年选举年限制财政整顿)、埃及(低储备/外国持有比例)和印度尼西亚(能源进口国)。
- 超配石油出口国篮子:安哥拉、尼日利亚、阿塞拜疆、阿曼;低配科威特(直接受封锁影响)。
- 推荐短久期策略(<5年)优于长久期(>10年),过去十年中3-5年期在指数负回报年份表现优于10-20年期260-890个基点。
论述逻辑
报告从当前新兴市场信用相对抗跌的表现出发,质疑其可持续性。通过情景分析(布伦特原油峰值>150美元/桶)指出利差非线性重定价风险(70-80个基点)。对比2022年能源危机,发现当前估值更贵、财政更弱,但供给和资产负债表指标改善。进一步分析CEE、HY等脆弱环节,识别压力点(财政、外部融资、仓位)。最后提出对冲/alpha策略:超配石油出口国(受益于油价上涨)和短久期(历史表现优异)。
关键展望
- 若霍尔木兹海峡封锁持续至4月底,布伦特原油峰值可能超过150美元/桶。
- 若封锁持续至夏季,EMBI GD全年总回报率可能为-9%;若4月初解决,则为+4.4%。
- 瑞银对布伦特原油的基准情景(良性)为2026年均价86美元/桶。
- 报告未明确给出具体时间窗口或目标价,但指出利差重定价可能类似去年“解放日”约60个基点的波动。
推荐标的
- 超配石油出口国篮子:安哥拉、尼日利亚(HY)、阿塞拜疆(IG)、阿曼(IG)。理由:即使布伦特均价86美元/桶,仍比2025年高约20美元/桶,带来经常账户改善(安哥拉+7%/GDP,尼日利亚+3.3%/GDP,阿塞拜疆+3.6%/GDP)。
- 低配:波兰(CEE,2027年选举年)、埃及(低储备/外国持有比例)、印度尼西亚(能源进口国)、科威特(直接受封锁影响)。
- 短久期策略:超配<5年期,低配>10年期。
- 其他:关闭罗马尼亚多头头寸;对匈牙利持观望态度(4月12日选举)。
- 报告未给出具体目标价或评级。
关键图表
Figure 1: EM credit has been a low-beta so far this year, allowing an outperformance since the start of the Iran conflict
Figure 2: EM spreads widening since the start of the Iran conflict has been in an unusual smile-like shape
Figure 3: UBS macro scenario analysis implies non-linearity in US HY spreads in case oil flow disruption lasts beyond the summer
Figure 4: In an extended disruption EMBI GD could see close to double-digit losses by YE
Figure 5: UBS oil price scenarios
Figure 6: Scenario definition
Figure 7: EM credit - Now versus pre Russia-Ukraine conflict in Feb 2022
Figure 8: EM spreads screen now much more rich
Figure 9: What can we learn from EMBI performance in 2022?
Figure 10: EM supply picture is more benign than it was in the run-up to 2022
Figure 11: Credit demand dynamics has been quite in line with the one before 2022
Figure 12: Where fiscal positions are more vulnerable?
Figure 13: The CEE space has disproportionally large number of negative rating outlooks
Figure 14: CEE local rates stand out as underperformers YTD
Figure 15: Single B and CCC yields are very much consistent with market access
Figure 16: Where external funding can become a problem?
Figure 17: External funding needs of single-B credits
Figure 18: Overlaying reserves coverage to spreads
Figure 19: Mexico has become a large OW in the past two years
Figure 20: EMBI funds allocation to Turkey has moved from deep UW to a small UW
Figure 21: Previous episodes of rally in oil prices
Figure 22: As opposed to previous episodes of a rally in oil prices, this time round markets have penalized IG oil exporters
Figure 23: Historically, bull runs in oil created a clear decoupling between HY oil exporters and HY oil importers
Figure 24: Uplift to current accounts for oil exporters outside the GCC