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Further ERM Session 2: Creating portfolio risk and return models


This presentation is based on a part of an academic course on Further Enterprise Risk Management (Further ERM) titled ‘Creating portfolio risk and return models’ and covers topics such as: different types of risk (and return) models (including fundamental, econometric and statistical factor models), seeking ‘meaningfulness’, the model timescale, economic scenario generators, modelling different instrument types, incorporating return views and applying models to portfolio construction

Slides
1Session 2: Creating portfolio risk and return models
2Session 2: Creating portfolio risk and return models
3Different types of risk (and return) models
4Models
5Designing models
6Session 2: Creating portfolio risk and return models
7Factor models (1)
8Factor models (2)
9Factor models (3)
10Factor models (4)
11In practice often produce similar results
12Session 2: Creating portfolio risk and return models
13Seeking ‘meaningfulness’
14Independent components analysis
15E.g. Non-Normality and Projection pursuit
16Projection pursuit algorithm (1)
17Projection pursuit algorithm (2)
18Independent components analysis (ICA)
19Blending together PCA and ICA
20Identifying Principal Components one at a time
21Blending PCA with ICA
22Extreme events appear to be very important!
23Session 2: Creating portfolio risk and return models
24The model timescale
25Time periods that are not infinitesimal
26Session 2: Creating portfolio risk and return models
27Economic scenario generators (1)
28Economic scenario generators (2)
29Economic scenario generators (3)
30Advanced techniques
31Session 2: Creating portfolio risk and return models
32Modelling different instrument types
33Call option price
34Caveats with valuation engines
35Session 2: Creating portfolio risk and return models
36Incorporating return views
37Going beyond traditional time series analysis (1)
38Return views (1)
39Return views (2)
40Return views (3)
41Session 2: Creating portfolio risk and return models
42Applying models to portfolio construction
43Traditional (quantitative) portfolio construction
44Refinements
45Robust mean-variance portfolio construction
46Time-varying risk and return
47Expected utility theory
48Regime-switching
49Appendix: Model validation
50Model risk and back-testing
51Model assessment
52Link with calibration
53Ideally model should also fit well ‘period by period’
54Look-back bias and in-sample testing
55Look-back bias and out-of-sample testing
56Market consistent risk measurement
57Back testing in other regulatory frameworks
58Important Information



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