Core Insights - The report indicates a significant increase in coal prices, with Qinhuangdao port's thermal coal price rising to 808 RMB/ton, a weekly increase of 40 RMB/ton [1][2] - The report highlights a mixed trend in coal consumption, with coastal provinces experiencing an increase while inland provinces saw a decrease [4] - The overall sentiment in the coal industry remains optimistic, with expectations of continued price increases due to supply constraints and seasonal demand [5][6] Thermal Coal Prices - As of November 8, the market price for Qinhuangdao port thermal coal (Q5500) is 808 RMB/ton, up 40 RMB/ton week-on-week [1][2] - Prices for thermal coal from various production areas have also increased, with Shaanxi Yulin's thermal block coal (Q6000) at 760 RMB/ton (+50 RMB/ton) and Inner Mongolia Dongsheng's large block premium coal (Q5500) at 634 RMB/ton (+42.8 RMB/ton) [2] Coking Coal Prices - Coking coal prices have also risen, with the price for main coking coal at Jing Tang port reaching 1800 RMB/ton, an increase of 60 RMB/ton [3] - The price for premium coking coal from Linfen is now 1670 RMB/ton, up 60 RMB/ton week-on-week [3] Consumption Trends - Coastal provinces have seen a weekly increase in coal consumption by 7,000 tons/day (+3.88%), while inland provinces experienced a decrease of 9,400 tons/day (-2.82%) [4] - The overall coal inventory in coastal provinces decreased by 104.20 million tons (-3.09%), indicating tighter supply conditions [4] Industry Outlook - The coal industry is entering a new upward cycle, supported by fundamental and policy factors, with a recommendation for low-cost coal sector investments [5] - The report emphasizes the importance of high-quality coal companies with strong cash flow and dividend yields, suggesting that the coal sector remains undervalued [5][6] - The anticipated seasonal demand increase and low inventory levels at ports and power plants are expected to drive further price increases in the coming months [5]

Core Viewpoint - Shaanxi Coal Industry's stock price has shown significant growth this year, with a 12.05% increase year-to-date and a notable rise of 19.16% over the past 20 trading days, reflecting strong market interest and performance [1][2]. Financial Performance - For the period from January to September 2025, Shaanxi Coal Industry reported a revenue of 1180.83 billion, a year-on-year decrease of 5.86%, and a net profit attributable to shareholders of 127.13 billion, down 20.26% compared to the previous year [2]. - The company has distributed a total of 816.45 billion in dividends since its A-share listing, with 473.31 billion distributed over the last three years [3]. Shareholder Information - As of September 30, 2025, the number of shareholders for Shaanxi Coal Industry increased by 2.07% to 105,000, while the average number of tradable shares per shareholder decreased by 2.02% to 92,312 shares [2]. - The top shareholders include China Securities Finance Corporation, holding 195 million shares, and Hong Kong Central Clearing Limited, which reduced its holdings by 10.7 million shares [3]. Market Activity - On November 10, the stock price rose by 2.07% to 24.63 yuan per share, with a trading volume of 216 million and a turnover rate of 0.09%, indicating active trading [1]. - The net inflow of main funds was 12.79 million, with significant buying activity from large orders, reflecting positive investor sentiment [1].

Core Viewpoint - Huabei Mining's stock has shown a positive trend with a 3.90% increase year-to-date and a 4.22% rise over the last five trading days, indicating potential investor interest and market confidence [1][2]. Company Overview - Huabei Mining Co., Ltd. is located at 276 Renmin Middle Road, Huaibei City, Anhui Province, established on March 18, 1999, and listed on April 28, 2004. The company primarily engages in the sale of civil explosive products and blasting engineering services, coal mining, washing, processing, and sales, as well as the production and sales of coal chemical products [1]. - The revenue composition of Huabei Mining includes: commodity trading (39.15%), coal products (26.23%), coal chemical products (20.81%), engineering and labor services (3.55%), blending business (2.55%), electricity sales (1.99%), others (1.96%), blasting engineering services (1.23%), mining business (1.21%), civil explosive product sales (0.81%), and transportation services (0.51%) [1]. Financial Performance - As of October 31, Huabei Mining reported a total revenue of 31.925 billion yuan for the period from January to September 2025, reflecting a year-on-year decrease of 43.78%. The net profit attributable to shareholders was 1.07 billion yuan, down 74.14% compared to the previous year [2]. - The company has distributed a total of 13.156 billion yuan in dividends since its A-share listing, with 7.318 billion yuan distributed over the last three years [3]. Shareholder Information - As of October 31, the number of Huabei Mining shareholders was 36,300, a decrease of 8.06% from the previous period. The average number of circulating shares per shareholder increased by 8.77% to 74,127 shares [2]. - Notable institutional holdings include Guotai Junan CSI Coal ETF (515220) as the second-largest shareholder with 42.6809 million shares, and Hong Kong Central Clearing Limited as the fourth-largest shareholder with 30.5931 million shares, both showing increases in holdings [3].

CPI Analysis - In October, the CPI turned positive at 0.2% year-on-year, up 0.5 percentage points from the previous month, marking a 9-month high[2] - The core CPI rose 1.2% year-on-year, continuing its upward trend for the sixth consecutive month, with a month-on-month increase of 0.2%[2] - Food prices fell by 2.9% year-on-year, but the decline narrowed by 1.5 percentage points from the previous month, while energy prices saw a year-on-year decline of 2.4%[5] PPI Analysis - The PPI decreased by 2.1% year-on-year in October, but the decline narrowed by 0.2 percentage points for the third consecutive month, with a month-on-month increase of 0.1%[3] - Key drivers for the PPI's month-on-month increase include the "anti-involution" trend, rising prices in the non-ferrous sector, and increased demand for general consumer goods[3] - The PPI for production materials rose by 0.1% month-on-month, while the PPI for living materials remained flat[6] Future Outlook - CPI is expected to see a mild recovery in November and December, with an annual average around 0%[4] - The PPI is projected to fluctuate at low levels, with an annual average around -2.7%[4] - The performance of six major commodities (crude oil, coal, rebar, copper, lithium carbonate, and pork) will significantly influence future PPI readings[4]

Investment Rating - The industry investment rating is maintained as "Increase" [4] Core Viewpoints - Indonesia's coal export volume is expected to decrease by 20-30 million tons in 2025 compared to 2024 [2] - The report highlights the performance resilience of companies such as Yancoal Energy, Jinko Coal, and focuses on Keda Automation, which specializes in smart mining [3] - The report emphasizes the importance of performance in stock valuation, recommending companies like Shaanxi Coal, Electric Power Energy, and Huai Bei Mining [3] Summary by Sections Coal Mining - Indonesia's coal export volume for 2024 reached 566 million tons, a year-on-year increase of 8.57%, marking a historical high [3] - As of September 2025, Indonesia's coal production decreased by 7.47% year-on-year to 584 million tons, with coal exports down by 7.3% to 380 million tons [3] Price Trends - As of November 7, 2025, coal prices at various ports showed the following changes: - European ARA port coal price (6000K) at $99.15 per ton, up by $3.4 per ton (+3.55%) - Newcastle port coal price (6000K) at $113.7 per ton, up by $1 per ton (+0.89%) - IPE South African Richards Bay coal futures price at $86.9 per ton, up by $5.15 per ton (+4.57%) [30][32] Key Stocks - Recommended stocks include: - China Coal Energy (Buy) with EPS estimates of 1.46 for 2024A and a PE ratio of 9.40 - China Shenhua (Buy) with EPS estimates of 2.95 for 2024A and a PE ratio of 14.40 - Jinko Coal (Buy) with EPS estimates of 1.68 for 2024A and a PE ratio of 9.00 - Electric Power Energy (Buy) with EPS estimates of 2.38 for 2024A and a PE ratio of 8.70 - Yancoal Energy (Buy) with EPS estimates of 1.44 for 2024A and a PE ratio of 10.20 [6]

Investment Rating - The report maintains a "Buy" rating for leading companies in the coal mining sector, including China Shenhua, Shaanxi Coal and Energy, and others, indicating a positive outlook for their stock performance [13][14]. Core Viewpoints - The coal price has surged by 104 CNY/ton in just one month, reaching 809 CNY/ton, driven by strong demand and supply constraints [1][8]. - The report emphasizes a "stop-and-go" upward trend in coal prices, suggesting that any increase will not be linear but will involve periods of stabilization and correction [1][8]. - The demand for coal is expected to rise seasonally with the onset of heating in northern regions, while supply remains limited due to safety inspections and production constraints [1][8]. Summary by Sections Market Overview - The coal sector has seen a significant recovery, with the coal index rising by 4.43% recently, outperforming the broader market [2][80]. - The report notes a stark contrast in performance, with the coal sector previously lagging behind other sectors earlier in the year [2]. Price Dynamics - The report highlights that the coal price is influenced by three main factors: production cuts, low port inventories, and strong seasonal demand, which collectively catalyze rapid price increases [15][39]. - As of November 7, 2025, the average price of thermal coal at northern ports reached a new high of 809 CNY/ton, reflecting a weekly increase of 39 CNY/ton [9][39]. Supply and Demand Analysis - The report indicates that coal production has been constrained due to regulatory measures and safety inspections, leading to a continuous decline in output over the past three months [5][10]. - The demand for coal has exceeded expectations due to extreme weather conditions, which have significantly increased electricity consumption [5][10]. Investment Strategy - The report recommends focusing on high-quality stocks in the coal sector, particularly those with strong fundamentals and growth potential, while also considering second-tier stocks as coal prices continue to rise [6][14]. - Key companies to watch include China Shenhua, Shaanxi Coal, and others that are expected to benefit from the ongoing price increases and market dynamics [14][6].

1. Report Industry Investment Rating - The investment rating for the coal mining industry is "Bullish" [2] 2. Core Viewpoints of the Report - Currently, the coal economy is at the beginning of a new upward cycle, with fundamental and policy factors in resonance. It is advisable to allocate the coal sector at low levels [11]. - The underlying investment logic of coal production capacity shortage remains unchanged. The coal price has established a bottom and its central level has reached a new platform. High - quality coal enterprises maintain their core asset attributes, and coal assets are still undervalued with potential for valuation improvement. The coal sector has both dividend characteristics and pro - cyclical elasticity [3]. - In the context of energy inflation, the pattern of tight coal supply and demand in the next 3 - 5 years remains unchanged. High - quality coal enterprises have high - barrier, high - cash, high - dividend, and high - dividend - yield attributes. After a short - term correction, the coal sector has shown high investment value [3]. 3. Summaries Based on Relevant Catalogs 3.1 This Week's Core Viewpoints and Key Concerns - **Core Viewpoints**: In the short - term, coal supply and demand are basically balanced, but there is a long - term gap. Coal prices are expected to rise further due to tight supply and upcoming seasonal demand. Coal assets are cost - effective, with high win - rate and high odds. The report continues to be bullish on coal and suggests allocation at low levels [11]. - **Key Concerns**: From January to October 2025, China's coal imports decreased by 11.0% year - on - year. From January to September 2025, coal and coking coal imports in India decreased by 1.0% year - on - year, and in Japan decreased by 2.3% year - on - year [13] 3.2 This Week's Performance of the Coal Sector and Individual Stocks - The coal sector rose 4.43% this week, outperforming the market. The Shanghai and Shenzhen 300 Index rose 0.82% [14]. - The thermal coal sector rose 4.60%, the coking coal sector rose 2.46%, and the coke sector rose 6.42% [15]. - The top three stocks in terms of gains and losses in the coal mining and washing sector were Huayang Co., Ltd. (11.50%), Jinkong Coal Industry (10.11%), and China National Coal Group Corporation (8.54%) [18] 3.3 Coal Price Tracking - **Coal Price Index**: As of November 7, the comprehensive transaction price of CCTD Qinhuangdao thermal coal (Q5500) was 703.0 yuan/ton, up 10.0 yuan/ton week - on - week. The comprehensive average price index of Bohai Rim thermal coal (Q5500) was 694.0 yuan/ton, up 9.0 yuan/ton week - on - week. The annual long - term contract price of CCTD Qinhuangdao thermal coal (Q5500) was 684.0 yuan/ton, up 8.0 yuan/ton month - on - month [23]. - **Thermal Coal Price**: As of November 8, the market price of Qinhuangdao Port thermal coal (Q5500) from Shanxi was 808 yuan/ton, up 40 yuan/ton week - on - week. International thermal coal FOB prices also increased [29]. - **Coking Coal Price**: As of November 7, the ex - warehouse price of primary coking coal from Shanxi at Jingtang Port was 1800 yuan/ton, up 60 yuan/ton week - on - week. The CIF price of Australian Peak View Mine hard coking coal in China was 212.3 US dollars/ton, up 0.6 US dollars/ton week - on - week [31]. - **Anthracite and Pulverized Coal Price**: As of November 7, the wagon - loading price of Jiaozuo anthracite was 1020.0 yuan/ton, unchanged week - on - week. The wagon - loading prices of pulverized coal in Changzhi Lucheng and Yangquan increased [39] 3.4 Coal Supply and Demand Tracking - **Coal Mine Capacity Utilization**: As of November 7, the capacity utilization rate of sample thermal coal mines was 91.1%, up 0.6 percentage points week - on - week, and that of sample coking coal mines was 83.76%, down 1.0 percentage points week - on - week [46]. - **Import Coal Price Difference**: As of November 7, the price difference between domestic and foreign 5000 - kcal thermal coal was - 79.1 yuan/ton, down 19.5 yuan/ton week - on - week; the price difference for 4000 - kcal thermal coal was - 75.2 yuan/ton, down 20.1 yuan/ton week - on - week [42]. - **Coal - fired Power Consumption and Inventory**: Inland 17 provinces' coal inventory increased, while daily consumption decreased. Coastal 8 provinces' coal inventory decreased, while daily consumption increased [45]. - **Downstream Metallurgical Demand**: As of November 7, the Myspic comprehensive steel price index decreased, the price of Tangshan - produced primary metallurgical coke increased, the blast furnace operating rate increased, and the profit per ton of coke in independent coking enterprises increased [64][65]. - **Downstream Chemical and Building Materials Demand**: As of November 7, the prices of urea in some regions decreased, the national methanol, ethylene glycol, and acetic acid price indices decreased, the synthetic ammonia price index increased, the cement price index increased slightly, the cement clinker capacity utilization rate decreased, the float glass operating rate decreased, and the weekly coal consumption in the chemical industry increased [70][74][76] 3.5 Coal Inventory Situation - **Thermal Coal Inventory**: As of November 7, the coal inventory at Qinhuangdao Port increased to 577.0 tons. The 55 - port thermal coal inventory decreased to 6148.7 tons as of October 31, and the production - area inventory decreased to 292.0 tons [91]. - **Coking Coal Inventory**: As of November 7, the production - area coking coal inventory increased to 165.6 tons, the six - port coking coal inventory increased to 304.3 tons, the coking enterprise inventory increased to 923.8 tons, and the steel mill inventory decreased to 787.3 tons [92]. - **Coke Inventory**: As of November 7, the total coke inventory of coking plants, four - port coke inventory, and the total coke inventory of domestic sample steel mills all decreased [94] 3.6 Coal Transportation Situation - **International and Domestic Coal Transportation**: As of November 7, the Baltic Dry Index (BDI) was 2104.0 points, up 138.0 points week - on - week. As of November 6, the average daily coal shipment volume of the Datong - Qinhuangdao Railway increased slightly week - on - week [108]. - **Ratio of Cargo to Ships at Four Ports in the Bohai Rim**: As of November 7, the inventory of four ports in the Bohai Rim was 1449.0 tons, the number of anchored ships was 106, and the cargo - to - ship ratio was 13.7, down 4.03 week - on - week [106] 3.7 Weather Conditions - As of November 7, the Three Gorges outflow was 10200 cubic meters per second, down 23.88% week - on - week. - In the next 10 days (November 9 - 18), there will be precipitation in some areas, with high - impact weather including cooling in Xinjiang and central - eastern regions. - In the next 11 - 14 days (November 19 - 22), there will be light precipitation in some areas, and the average temperature in some regions will be different from the normal level [113] 3.8 Listed Company Valuation Table and Key Announcements - **Listed Company Valuation Table**: The table provides the closing prices, net profits attributable to the parent company, EPS, and P/E ratios of key listed coal companies from 2024A to 2027E [114]. - **Key Announcements**: Companies such as Meijin Energy, China Shenhua, and Hengyuan Coal and Electricity have made announcements regarding project terminations, asset acquisitions, and corporate restructurings [115][116][118]

Investment Rating - The report maintains an "Accumulate" rating for the coal mining industry [1] Core Viewpoints - The port inventory is at a low level year-on-year, and coal prices have increased month-on-month. The average spot price of thermal coal at ports rose by 47 CNY/ton to 817 CNY/ton during the week of November 3 to November 7 [1] - The supply side shows a stable supply from production areas, with an increase in port supply. The average daily inflow to the four ports in the Bohai Rim was 1.9407 million tons, up by 35,000 tons week-on-week, an increase of 1.84% [1] - On the demand side, the average daily outflow from the four ports in the Bohai Rim decreased to 1.8601 million tons, down by 163,100 tons week-on-week, a decline of 8.06% [1] - The report anticipates that coal prices will maintain a fluctuating trend due to the upcoming cold winter and sufficient inventory levels [2] Summary by Sections 1. Weekly Market Review - The Shanghai Composite Index closed at 3,997.56 points, up 0.53% week-on-week. The coal sector index closed at 3,076.78 points, up 1.96% week-on-week [11] - The top five companies by weekly increase were Huayang Co. (+11.50%), Jinkong Coal Industry (+10.11%), Zhongmei Energy (+8.54%), Electric Power Investment Energy (+6.85%), and Shaanxi Coal Industry (+6.30%) [13] 2. Production and Pricing - The price of thermal coal in production areas has shown a steady increase. For instance, the price of 5500 kcal thermal coal in Datong rose by 63 CNY/ton to 685 CNY/ton [17] - The international thermal coal price index has also shown a stable increase, with the Newcastle coal price index rising by 2.49 USD/ton to 106.23 USD/ton [20] 3. Inventory and Shipping - The Bohai Rim's coal inventory increased to 23.63 million tons, up by 461,000 tons week-on-week, an increase of 1.99% [34] - The average shipping cost on domestic routes rose by 6.03 CNY/ton to 51.36 CNY/ton, an increase of 13.31% [36] 4. Recommendations - The report suggests focusing on resource stocks, particularly recommending Haohua Energy and Guanghui Energy as core targets due to their low valuations and elastic performance [39]

Core Viewpoint - The company, Shanmei International, is focusing on its core coal business and implementing four strategic initiatives to enhance its competitive edge and ensure sustainable development in the coal industry. Group 1: Company Performance - As of November 7, 2025, Shanmei International's stock price closed at 11.68 yuan, up 5.8% from the previous week [1] - The company's total market capitalization is 23.155 billion yuan, ranking 13th out of 30 in the coal mining sector and 838th out of 5166 in the A-share market [1] - The company achieved a coal import volume of 5.1831 million tons in the first three quarters of 2025 [2][4] Group 2: Strategic Focus - The company is committed to its core coal business and is focusing on four strategic areas: advanced capacity, resource expansion, premium coal production, and blending advantages [2][4] - Since the third quarter of 2025, the coal market has been recovering, leading to a significant improvement in the company's self-produced coal sales and a decrease in inventory [2][4] - The company is actively pursuing resource acquisition to increase coal reserves and extend service life, while closely monitoring policy changes and resource auction dynamics [2][5] Group 3: Financial Health - The company's long-term loans as of the third quarter of 2025 amounted to 6.101 billion yuan, with a debt ratio decreasing from 50.52% at the beginning of the year to 49.71% [4] - The company has not incurred any short-term loans since the beginning of 2025, indicating a focus on reducing debt levels [4] - There are currently no plans for a third-quarter dividend distribution [4]

1. Report Industry Investment Rating No information about the industry investment rating is provided in the document. 2. Core Viewpoints of the Report - Interest rate bonds adjusted slightly this week, with the yields of 1Y, 3Y, 5Y, 7Y, and 10Y China Development Bank bonds rising by 3BP, 3BP, 5BP, 3BP, and 2BP respectively compared to last week. Credit bonds showed differentiated performance, with the yields of 1Y and 10Y credit bonds rising slightly, while those of 3Y, 5Y, and 7Y falling. Credit spreads of all grades narrowed, with the 3 - 7Y spreads compressing most significantly [2][5]. - The spreads of urban investment bonds mostly declined by 4 - 5BP. The credit spreads of external - rated AAA, AA +, and AA platforms decreased by 4BP, 5BP, and 5BP respectively compared to last week. Provincial - level platform spreads decreased by 4BP, and municipal - and district - level platform spreads decreased by 5BP [2][9]. - The spreads of industrial bonds declined overall, but the spreads of mixed - ownership and private real - estate bonds continued to rise. The spreads of central and state - owned enterprise real - estate bonds decreased by 2 - 4BP, while those of mixed - ownership and private real - estate bonds increased by 42BP and 15BP respectively. The spreads of coal, steel, and chemical bonds of various grades also declined [2][17]. - The yields of secondary - tier and perpetual bonds (two - types of bonds, "two - eternal bonds") rose across the board, performing weaker than ordinary credit bonds. The adjustment amplitude of medium - and high - grade varieties was higher, especially the spreads of 3 - 5Y perpetual bonds widened [2][26]. - The excess spreads of 3Y industrial perpetual bonds rose, and the excess spreads of urban investment bonds continued to differentiate. The excess spreads of industrial AAA 3Y perpetual bonds rose by 4.03BP to 16.17BP, and those of industrial 5Y perpetual bonds remained flat at 12.39BP. The excess spreads of urban investment AAA 3Y perpetual bonds rose by 2.39BP to 7.39BP, while those of urban investment AAA 5Y perpetual bonds decreased by 4.16BP to 9.14BP [2][31]. 3. Summary According to the Table of Contents 3.1 Interest rate bonds adjusted, and credit bonds showed differentiated performance, with the 3 - 7Y credit spreads narrowing significantly - Interest rate bonds adjusted slightly this week. The yields of 1Y, 3Y, 5Y, 7Y, and 10Y China Development Bank bonds rose by 3BP, 3BP, 5BP, 3BP, and 2BP respectively compared to last week [2][5]. - Credit bonds of different maturities showed differentiated performance. The yields of 1Y and 10Y credit bonds rose slightly, while those of 3Y, 5Y, and 7Y fell. The spreads of all grades narrowed, with the 3 - 7Y spreads compressing most significantly. In terms of rating spreads and term spreads, there were also different changes [5]. 3.2 The spreads of urban investment bonds declined by 4 - 5BP - The credit spreads of external - rated AAA, AA +, and AA urban investment platforms decreased by 4BP, 5BP, and 5BP respectively compared to last week. The spreads of most platforms declined by 3 - 7BP, with some exceptions [9]. - In terms of administrative levels, provincial - level platform spreads decreased by 4BP, and municipal - and district - level platform spreads decreased by 5BP. Most provincial - level platform spreads declined by 2 - 6BP, and most municipal - level platform spreads declined by 4 - 7BP, while most district - level platform spreads declined by 3 - 6BP [9][14]. 3.3 The spreads of industrial bonds declined overall, but the spreads of mixed - ownership and private real - estate bonds continued to rise - The spreads of central and state - owned enterprise real - estate bonds decreased by 2 - 4BP, while those of mixed - ownership and private real - estate bonds increased by 42BP and 15BP respectively. For example, the spreads of Longhu decreased by 3BP, and those of Midea Real Estate decreased by 2BP, while those of CIFI rose by 36BP, and those of Vanke rose by 145BP [17]. - The spreads of coal bonds of all grades declined by 4 - 5BP, the spreads of steel bonds of all grades declined by 2 - 4BP, the spreads of AAA - grade chemical bonds declined by 4BP, and those of AA + - grade chemical bonds declined by 5BP. For example, the spreads of Shaanxi Coal Industry decreased by 2BP, those of HBIS decreased by 4BP, and those of Jinkong Coal Industry decreased by 6BP [17]. 3.4 The two - eternal bonds adjusted across the board, performing weaker than ordinary credit bonds - The yields of two - eternal bonds rose across the board, performing weaker than ordinary credit bonds. The adjustment amplitude of medium - and high - grade varieties was higher, especially the spreads of 3 - 5Y perpetual bonds widened [26]. - Specifically, for 1Y bonds, the yields of all - grade secondary - tier capital bonds rose by 2 - 3BP, and the spreads remained flat; the yields of all - grade perpetual bonds rose by 2BP, and the spreads decreased by 1BP. For 3Y bonds, the yields of all - grade secondary - tier capital bonds rose by 3 - 4BP, and the spreads rose by 0 - 1BP; the yields of all - grade perpetual bonds rose by 3 - 5BP, and the spreads rose by 0 - 2BP. For 5Y bonds, the yields of all - grade secondary - tier capital bonds rose by 3 - 4BP, and the spreads decreased by 1 - 2BP; the yields of AA + and above - grade perpetual bonds rose by 6 - 7BP, and the spreads rose by 1 - 2BP, while the yields of AA - grade perpetual bonds rose by 2BP, and the spreads decreased by 3BP [28]. 3.5 The excess spreads of 3Y industrial perpetual bonds rose, and the excess spreads of urban investment bonds continued to differentiate - The excess spreads of industrial AAA 3Y perpetual bonds rose by 4.03BP to 16.17BP, reaching the 46% quantile since 2015, while the excess spreads of industrial 5Y perpetual bonds remained flat at 12.39BP, reaching the 26.93% quantile since 2015 [31]. - The excess spreads of urban investment AAA 3Y perpetual bonds rose by 2.39BP to 7.39BP, reaching the 12.25% quantile, while the excess spreads of urban investment AAA 5Y perpetual bonds decreased by 4.16BP to 9.14BP, reaching the 8.51% quantile [31]. 3.6 Explanation of the compilation of the credit spread database - The overall market credit spreads, the spreads of commercial bank two - eternal bonds, and the credit spreads of urban investment/industrial perpetual bonds are calculated based on the data of ChinaBond medium - and short - term notes and ChinaBond perpetual bonds. The historical quantiles are since the beginning of 2015. The credit spreads related to urban investment and industrial bonds are compiled and statistically analyzed by the R & D Center of Cinda Securities, and the historical quantiles are also since the beginning of 2015 [37]. - The credit spreads of industrial and urban investment individual bonds are calculated as the individual bond's ChinaBond valuation (exercise) minus the yield to maturity of the same - term China Development Bank bonds (calculated by the linear interpolation method), and finally the credit spreads of the industry or regional urban investment are obtained by the arithmetic average method [37]. - The excess spreads of bank secondary - tier capital bonds/perpetual bonds are calculated as the credit spreads of bank secondary - tier capital bonds/perpetual bonds minus the credit spreads of the same - grade and same - term bank ordinary bonds. The excess spreads of industrial/urban investment - type perpetual bonds are calculated as the credit spreads of industrial/urban investment - type perpetual bonds minus the credit spreads of the same - grade and same - term medium - term notes [37]. - Industrial and urban investment bonds both select medium - term notes and public - offering corporate bonds as samples, and guarantee bonds and perpetual bonds are excluded. If the remaining maturity of an individual bond is less than 0.5 years or more than 5 years, it is excluded from the statistical sample. Industrial and urban investment bonds are based on external entity ratings, while commercial banks use ChinaBond implied debt - item ratings [37].