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Barbican Consulting Limited


Unforced Errors
Unforced errors in banking, trading and risk can be captured by two questions

William Webster
Nov 5, 20244 min read


Rethinking Risk
I've been helping a company that wants to implement Value at Risk, (VaR). During this process, I've found myself reassessing how I think...

William Webster
Oct 29, 20243 min read


Cross-checking
Whether you’re looking at interest rate risk, credit exposures, or market volatility, using multiple trustworthy measures provides greater c

William Webster
Oct 10, 20242 min read


On the Limit
At the front of any information pack that explains what's going on in treasury and risk, you often see a long list of limits. These are...

William Webster
Oct 1, 20243 min read


Leave is Good for Business too
Less widely discussed, but valuable for employers, leave of absence is an effective way to uncover wrongdoing within the organisation.

William Webster
Sep 3, 20243 min read


Think Like a Bank (even if you aren't one)
I never thought I would be writing this, but the regulation that banks now face as a result of the financial crisis in 2008 has given...

William Webster
Aug 13, 20243 min read


The Next New Thing
Doing new things and launching new products is always exciting; however, from my experience, these innovative ideas often lead to...

William Webster
Jul 23, 20243 min read


We All Own the Risk
One of the principles ingrained in me is that risk management should be kept separate from the area or individuals taking the risk. The...

William Webster
Jul 16, 20243 min read


Guilty Secrets
I worked with a client who provided a vivid lesson on the importance of the iceberg of risk. This is the story. The bank's treasury...

William Webster
Jul 9, 20243 min read


The Haze of Risk Tolerance
Risk tolerance is a concept we frequently refer to, but how often do we have a serious conversation about what it truly means? By its...

William Webster
Jul 3, 20242 min read


Emphasis on Linkages
The Challenge Banking relies heavily on confidence; without it, customers withdraw their money. One significant source of risk is the...

William Webster
Jun 25, 20243 min read


Should Treasury make money?
The role of a treasury has changed dramatically over the past four decades. It used to be about making money, which was a lot easier...

William Webster
Jun 4, 20243 min read


Red, Amber, Green - GPT-4 Does Risk
I've noticed that GPT-4 is getting better all the time; you can do more, and the results are better. I decided to try a little test....

William Webster
Mar 14, 20246 min read


Obstacles to Using LLMs
In previous articles, I've discussed some of the economic benefits of using LLMs, as well as the problems concerning hallucinations and...

William Webster
Jan 9, 20243 min read


The Economic Argument for Using LLMs in Treasury & Risk
Large Language Models (LLMs) in Treasury and Risk LLMs, or Large Language Models, are advanced artificial intelligence systems designed...

William Webster
Jan 6, 20243 min read


Coping with Hallucinations in Treasury & Risk
What they are and what causes them Hallucination is a term used to explain the phenomenon of a Large Language Model (LLM) producing...

William Webster
Jan 4, 20247 min read


Simple Uses for LLMs - Slide Decks and Minutes
In this sixth instalment, we delve into two time-saving applications of LLMs: summarising and repurposing PowerPoint presentations, and...

William Webster
Jan 3, 20245 min read


Simple Uses for LLMs – Preparing for ALCO
The fifth instalment of our series exploring simple GPT-4 use cases focuses on its capacity to generate documentation for an ALCO...

William Webster
Jan 2, 20245 min read


Simple Uses for LLMs - Stress and Scenario Creation
In this fourth instalment of our series, we explore an intriguing application of large language models (LLMs) in treasury and risk...

William Webster
Dec 20, 202311 min read


Exploring the Ins and Outs of Repurchase Agreement Risks
Backround When I was running a treasury, repo agreements, or repurchase agreements, were very instrumental in the type of work we were...

William Webster
Nov 9, 20234 min read
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