PAX Markets

PAX Markets

PAX Markets is a Y Combinator & HackVC-backed ultra-low-latency crypto exchange. Powered by patented λ API chip-level co-location, it delivers nanosecond matching, zero-fee trading plus cash rebates—redefining market efficiency for institutions and pro traders.
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PAX Markets exchangezero-fee crypto tradingultra-low latency crypto platformλ API algorithmic trading interfaceHFT co-location servicecash-back trading exchangechip-level matching engine

Features of PAX Markets

Patented λ API chip-level co-location keeps orders inside the exchange, erasing network lag and delivering nanosecond matching
Zero-fee + cash-rebate model flips the script: traders get paid instead of charged
Event-driven tick-to-trade engine fires orders the instant market data hits your trigger—zero slippage
Dual-interface stack: standard REST/WS for everyday bots, λ API for microsecond-sensitive strategies
Smart-order router optimized for market-making and aggressive taking—fastest local & remote event response
Institutional-grade infra: third-party custody, OTC settlement, transparent pricing

Use Cases of PAX Markets

HFT desks exploit nanosecond latency to cross-market arb and front-run order book changes
Algo MM bots stream event predicates via λ API, updating quotes instantly as ticks arrive
Quant funds deploy co-located strategies to shrink decision-to-fill times to sub-microseconds
Pro traders run parallel stacks—standard API for portfolio tasks, λ API for blistering alpha capture
Institutions move block size while meeting trust-company regulatory standards
Retail scalpers trade free and earn cash back, slashing cost per round-turn

FAQ about PAX Markets

QWhat kind of platform is PAX Markets?

An ultra-low-latency crypto exchange that uses patented λ API technology to give institutions and pros nanosecond matching, zero fees and cash rebates.

QHow does the λ API differ from ordinary trading APIs?

λ API is event-driven and chip-co-located: you upload predicates that fire orders instantly when market data hits your condition—no network hop, no delay.

QWho should use PAX Markets?

Built for HFT teams, algo MMs and quant funds, but retail traders also get zero-fee access and rebates—anyone who cares about speed and cost.

QHow are trading fees structured?

No maker/taker fees; most users receive cash rebates. Revenue comes from selling premium λ API speed tiers, not from trade commissions.

QHow is execution speed guaranteed?

Patented “co-location on a chip” keeps orders inside the matching engine, eliminating network latency and delivering nanosecond fills—up to 1,000× faster than conventional venues.

QWhat API options are available?

Standard REST/WebSocket for everyday automation and λ API for microsecond event-driven execution.

QIs PAX Markets regulated?

The operating entity secured a New York State trust charter in 2015 and is supervised by NYDFS.