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Chris Lees
Chris Lees

20 Followers

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Dec 30, 2021

Do FIX Documents HAVE To Be Bad?

I spend far more time thinking and talking about FIX documentation than… well pretty much anybody I’ve ever met. Despite being an outwardly-boring subject that is just too easy to swat away with objections like “we haven’t updated our FIX documents in donkey’s years” or “we’ve probably already onboarded all…

Fix

6 min read

Do FIX Documents HAVE To Be Bad?
Do FIX Documents HAVE To Be Bad?
Fix

6 min read


Nov 2, 2021

QuickFIX vs FIX Orchestra vs FinSpec — what’s the difference?

For almost a decade now, I’ve been evangelizing to people working in FIX connectivity — a niche API format within financial services — about a better way of working. Something that will free them from the daily drudgery of low-value tasks and open up a better, more automated future. What’s Going Wrong? At…

Fix Protocol

7 min read

QuickFIX vs FIX Orchestra vs FinSpec — what’s the difference?
QuickFIX vs FIX Orchestra vs FinSpec — what’s the difference?
Fix Protocol

7 min read


May 28, 2021

How Does The FIX Protocol Work?

In other posts in this series, I’ve introduced some of the key concepts of the FIX protocol, as well as some of the history. In this article, I’d like to dive into the basics of how the protocol itself works. What is a FIX Engine? Where Does It Sit? First of all, we need to talk about an important…

Fix Protocol

7 min read

How Does The FIX Protocol Work?
How Does The FIX Protocol Work?
Fix Protocol

7 min read


May 27, 2021

How Secure Are Your FIX Specifications?

In this article, I’d like to shine a light on an area of FIX that seems to be quite confused in people’s minds, and that is the “security” (or not) of FIX specifications. Current Perspectives The background to this is that we conducted some market research in December 2020 in which we…

Fix Protocol

5 min read

How Secure Are Your FIX Specifications?
How Secure Are Your FIX Specifications?
Fix Protocol

5 min read


May 25, 2021

History of FIX Protocol

If you are interested in financial markets, then you may have come across references to the FIX (Financial Information eXchange) protocol. So what is it, and why is it so important? Let’s start with a bit of history. 27 October 1986 was a pivotal day in the history of the…

Fix Protocol

4 min read

History of FIX Protocol
History of FIX Protocol
Fix Protocol

4 min read


May 24, 2021

What’s The Difference Between FIX and REST APIs?

One of the trends that we are seeing with more recent trading venues (which tend to be crypto exchanges), is that they are starting to offer both REST/Websocket and FIX interfaces. You might be asking why have both, and what’s the difference between them? I’ll assume here that if you…

Rest Api

3 min read

What’s The Difference Between FIX and REST APIs?
What’s The Difference Between FIX and REST APIs?
Rest Api

3 min read


Sep 23, 2019

My Personal Climate Change Manifesto

I write this on 23rd September 2019, the day of UN Climate Action Summit. In recent days and weeks, we’ve seen worldwide protests as millions take to the streets to demand action to tackle climate change. Will it fall on deaf ears? Unfortunately it may. And that’s not good enough. …

Climate Change

3 min read

My Personal Climate Change Manifesto
My Personal Climate Change Manifesto
Climate Change

3 min read

Chris Lees

Chris Lees

20 Followers

Founder @ FixSpec. One man, trying to make a difference.

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