Graybook Ventures
We back the founders building the next generation of trading technology, and put the whole Graybook group behind them: our platform, our infrastructure and our traders.
Why Graybook Ventures
Most funds stop at the check. Ours comes with a trading group around it, and every part of it can work for your company from day one.
Funded trading accounts across indices, FX, energy and stocks, with Vig, our AI quant, built into the platform. The traders our portfolio companies build for.
Visit Graybook Proprietary Trading →Trading systems on open-source engines, Quant VPS servers near the exchanges and HFT colocation beside the matching engine. The infrastructure our portfolio companies run on.
Visit Graybook Technologies →[The parent company of the Graybook group, which owns the operating companies and Graybook Ventures and sets the group’s long-term direction.]
Our portfolio companies can work with all three. Choose a company above to learn more.
What we bring
Every portfolio company gets the Graybook group behind it: the platform, the infrastructure and the traders.
Lead or co-lead checks from pre-seed to growth, with reserves to follow on when the business is working.
Early access to the trading terminal, the Script Editor, GBS and Vig, our AI quant, plus a direct line to the engineers who build them.
Quant VPS and colocation from Graybook Technologies, so a portfolio company can trade beside the exchange from its first day.
A route to the traders on Graybook Proprietary Trading, for products that make trading safer, faster or better informed.
Six areas where better technology makes trading fairer, faster or safer, and where the Graybook group can help most.
Order routing, smart execution and connectivity that take microseconds and basis points out of every fill.
Cleaner, faster and cheaper data: normalized feeds, tick storage, alternative data built for systematic traders.
Real-time risk, surveillance and reporting that let prop firms and brokers grow without growing their back office.
Research assistants, strategy copilots and coaching tools in the spirit of Vig, with numbers you can check.
Prop firms and evaluation programs that want a modern platform, fair rules and payouts that work.
Backtesting, simulation and open-source trading engines that turn a research notebook into a live system.
Founders hear back from a partner, not a form letter. Here is how it goes.
Send a deck or a one-pager. A partner reads every submission and replies within [5] business days.
30 minutes on the product, the market and how Graybook could help, before any numbers.
Our engineers look at how you would build on or plug into Graybook. You meet the people you would work with.
Diligence, a term sheet and a yes or no within [4–6] weeks of the first call.
Send us a deck or a one-pager. A partner reads every one.