Proof Engineering: The Algorithmic Trading Platform

How we built an institutional-grade algorithmic…

Proof Engineering: FIX Gateways

How we use the FIX Protocol within our Algorithmic Trading Platform

Proof Engineering: The Message Bus

A latency-sensitive message bus for the cloud

The Trading Strategy

From the outside, an institutional trading platform may seem like a giant black box of code. An asset manager sends in an…

Building a Broker-Dealer: How Much Does it Cost?

Building a Broker-Dealer: Vendors

We use a lot of vendors, but also not that many!

As part of our series on what it takes to build an institutional equities broker-dealer from scratch, here we present a list of all the vendors and partners we…

Productivity on a small team

For our next installment in our series on what it takes to build a broker-dealer from scratch, here we share the composition of our team and how we split up the work, along with some introspection on how we’ve been able to launch our business so few people. Previous installments…

When a co-founder steps back

Update: as of 9/1/21, Beau has completed his sabbatical and rejoined the team in a part-time capacity going forward. We are delighted to welcome him back!

Our co-founder and Chief Software Architect Beau Tateyama has decided to take a step back from…

10 Weeks of Live Trading at Proof: Tech Releases in Production

Launch day at a startup is of course very exciting. In our case, we spent two years assembling the team, designing and building the tech, fundraising, building customer relationships, integrating with the street, and…