Expected credit loss modelling
Lifetime default and loss curves are built by segment and weighted across macroeconomic scenarios to give IFRS 9 provisions, with management overlays documented separately.
GRA · Banking Nexus
空间金融资本与危害、风险暴露和转型的交汇之处
Financial and risk engineering supplies the instruments and models banks use to measure, price, hedge and transfer risk, from expected credit loss and counterparty exposure to 风险价值 and capital allocation. It also supplies the discipline of 模型风险 management that keeps those tools honest.
Financial and risk engineering designs instruments, models and processes to measure, price and transfer risk. It applies quantitative methods to portfolios, insurance and risk-sharing arrangements. In financial stability, capital markets and investment and climate and hazards, financial engineering enables physical and operational risks to be priced and transferred to capital markets. It informs the design of instruments that fund prevention and recovery. The canonical description is on STEM Commons.
Lifetime default and loss curves are built by segment and weighted across macroeconomic scenarios to give IFRS 9 provisions, with management overlays documented separately.
Future exposure on derivatives is simulated across market paths to set limits, collateral terms and credit valuation adjustments, with wrong-way risk treated explicitly.
Cash flows are projected under stressed outflow and haircut assumptions to size the liquidity buffer and to test the contingency funding plan.
Population density, night lights and flood water over Western Europe, from NASA GIBS. Each layer carries its own date.
交互式地图需要JavaScript;图层列表和来源见下文。
图层 3
活动与暴露,本页适用
键盘操作,地图获得焦点时
按住 Ctrl 或 ⌘ 并滚动以缩放
最新可用
NASA GIBS / EOSDIS · ASTER GDEM (METI, NASA) · Blue Marble (NASA) · © OpenStreetMap贡献者 (ODbL) · Natural Earth
正在加载最新的NASA影像。
拖动以移动。按住 Ctrl 或 ⌘ 并滚动、双指缩放或使用按钮缩放;悬停可查看指针下的数值;重置可返回该区域。
活动与风险暴露,以西欧为范围。NASA 发布的卫星和模型产品,各带自己的日期。它们是指标,而非对任何地点的评估。
图层与日期
Datasets and records used by financial and risk engineering on this platform, with the role each plays and the label its values carry. Sources are listed in 来源登记册.
| 数据 | 角色 | 标签 |
|---|---|---|
| Position and exposure records | Portfolio and exposure inputs | 观测 |
| Market price and yield data | Valuation and simulation | 观测 |
| Default and loss histories | Parameter calibration | 观测 |
| Supervisory scenario variables | Stress inputs | 已发布统计 |
| Collateral and netting agreements | Exposure mitigation | 已报告 |
团队遵循该方法时会使用的界面:其指标、状态与决策。名称为示例,数值仅作示意。
Banking · Financial and risk engineering · Run R-0930
generalised Pareto fit
| Shape ξ | 0.18 | 0.02 | 0.36 | heavy tail if above zero |
| Scale σ | 2.3 | 0.9 | 6.3 | units of the variable |
| Exceedances | 87 | declustered |
Models are back-tested, benchmarked against alternatives and reviewed by independent validation functions. Stress tests probe behaviour beyond historical data.
| 核查 | 如何开展 |
|---|---|
| 独立验证 | Models are reviewed by a function separate from development before use and periodically afterwards |
| 基准比较 | Outputs are compared with challenger models and with peer or supervisory benchmarks |
| Stress beyond history | Model behaviour is examined under scenarios outside the calibration data |
| Model inventory and tiering | Every model is recorded with its owner, use, materiality and validation status |
Models calibrated to normal markets can underestimate tail losses and correlation shifts. Complex instruments may obscure where risk ultimately sits.
银行间传染之后系统损失的权益,相对于最初的冲击,随杠杆、互联程度和回收率变化而变化,这是宏观审慎 压力测试. Teaching model with stated illustrative values, not a prediction. The map on this page shows Western Europe; the model itself is not tied to a place.
控制措施
读数
| 轮次 | 系统权益损失(%) | 违约银行 |
|---|---|---|
| 0 | 18.00 | 0 |
| 1 | 28.80 | 0 |
| 2 | 35.28 | 0 |
| 3 | 39.17 | 0 |
| 4 | 41.50 | 0 |
| 5 | 42.90 | 0 |
| 6 | 43.74 | 0 |
| 7 | 44.24 | 0 |
| 8 | 44.55 | 0 |
| 9 | 44.73 | 0 |
| 10 | 44.84 | 0 |
| 11 | 44.90 | 0 |
| 12 | 44.94 | 0 |
| 13 | 44.96 | 0 |
| 14 | 44.98 | 0 |
| 15 | 44.99 | 0 |
| 16 | 44.99 | 0 |
| 17 | 45.00 | 0 |
| 18 | 45.00 | 0 |
| 19 | 45.00 | 0 |
| 20 | 45.00 | 0 |
| 21 | 45.00 | 0 |
| 22 | 45.00 | 0 |
| 23 | 45.00 | 0 |
| 24 | 45.00 | 0 |
| 25 | 45.00 | 0 |
| 26 | 45.00 | 0 |
| 27 | 45.00 | 0 |
| 28 | 45.00 | 0 |
| 29 | 45.00 | 0 |
| 30 | 45.00 | 0 |
No observed data enters this model: it runs on the teaching values set by the controls, to be replaced with a programme’s own evidence.
贯穿六大支柱,由 Nexus Consortium 牵头
Assembled from the Nexus Standards area profile 中央银行与金融监管机构: the shocks it names, the 系统 and sectors that carry the loss, the controls that dampen it and the data that observe it. Pick an initiating shock and step through the cascade to see which exposures it reaches and where losses could concentrate. The Map view places the run on an example geography with open data. Every weight is a stated assumption. An exercise, not a forecast, a valuation, a rating or investment advice. To model a place of your own choosing, open the full System Builder.
灾害
系统与耦合
控制措施
NS-0 章程与原则NS-3 风险记录 UNI(语法、旧编码对照、分配机构)NS-9 情境 UNI(部署、实例、计划实例)NS-10 政策和条款(机器可读的义务:定义、约束、评估和执行)NS-11 验证与监测(证据、证明、零信任符合性观测)NS-14 符合性及与外部标准的对照NRS-H113 危害类别:金融体系脆弱性(NHS-1 soc.financial-system)NRS-H59 危害类别:经济冲击与治理失灵(NHS-1 soc.economic)NRS-H62 危害类别:复合与多危害事件(NHS-1 sys.compound)NRS-C5 情景与压力测试NRS-H94 危害族:系统性网络事件(NHS-1 cyber.systemic-cyber)NRS-H118 危害类别:有组织犯罪与非法经济(NHS-1 soc.crime)观测
示例地理范围
精算与量化风险 stewards financial and risk engineering for the Consortium and reviews how it is applied across platforms.
风险官、监管者或财政部会要求的风险暴露、损失、情景和资本视图,以及它们据以报告的框架。结构遵循监管和精算实务。数值为说明性:绝非价格、评级或建议。
How financial and risk engineering in banks could be stressed under the scenario families central banks and supervisors use.
| 情景系列 | 转型风险 | 物理风险 | 压力测试问什么 |
|---|---|---|---|
| 有序 | 早期、渐进的政策 | 较低 | 账面能否承受持续的重新定价? |
| 无序 | 迟缓而突然的政策 | 中低 | 在突然重新定价和信用迁移下,什么会出现问题? |
| 温室世界 | 有限政策 | 高且上升 | 实体损失集中在抵押品和保险的哪些环节? |
报告 is the Consortium’s quarterly publication. What you know about this subject can become evidence, a case or a correction in the next edition, credited to you and published under CC BY 4.0 where it is your own work.
切勿发送个人数据、敏感基础设施细节或您无权分享的任何内容。贡献在使用前会经过审查;发送贡献不赋予署名权或编辑权,赞助也绝不能换取研究结论。
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