
Eugene Tartakovsky
Eugene is co-founder and CEO of 3Jane Technologies and leads the business side. His work covers international legal structures, business development and quantitative research.
Read the biography3Jane Technologies, formerly 3Jane Capital, is a proprietary high frequency trading firm based in Cyprus and Lisbon. We trade our own capital, mostly on Binance, through market making, arbitrage and exchange liquidity rebates.
We trade only the company's own assets. We have no clients or investors, and we don't sell our software. Everything we build serves one user: our own trading.
Arbitrage trades price differences between markets. If EUR costs 1.05 USD on one exchange and 1.06 USD on another, buying at 1.05 and selling at 1.06 earns 0.01. Arbitrage keeps the prices of similar assets aligned across markets.
A market maker lets traders buy and sell whenever they want. On maker trades, the exchange charges us no fee and pays us part of the fee it collects from the counterparty. Done fast and often, this reaches 100 million trades a month.
A fixed pipeline from market data to features, event labels, purged cross-validation, backtests and Kelly-based position sizing. The common thread is care with time-dependent data. Read more in quantitative research.
We started on Hummingbot, moved to our own event-driven Python runtime and then built a Java engine on Chronicle Services. Its hot path runs at 120 microseconds at the 99.99th percentile. Read more in trading technology.
A research library normalizes orders, trades, fees and rewards into comparable history. An instrument service gives every market one stable identity and keeps its current trading rules.

Eugene is co-founder and CEO of 3Jane Technologies and leads the business side. His work covers international legal structures, business development and quantitative research.
Read the biography
Alexander joined as co-founder and CTO in 2018 and led development of the trading infrastructure: a low-latency Java trading system, order and execution management, the strategy framework and the deployment pipeline. He also developed the firm's arbitrage trading strategies.
Read the biographyThe paper's co-authors were Ksenia Plesovskikh, Anastasiia Sarmakeeva and Alexander Bibik. We build on Hummingbot, Chronicle, Amazon Web Services and CryptoStruct.