Measured latency to CEX.IO around the world
REST ticker round-trip from eight AWS regions
CEX.IO latency from eight AWS regions
| AWS region | Round-trip |
|---|---|
| Frankfurt eu-central-1 | ~49 ms |
| London eu-west-1 | ~59 ms |
| Singapore ap-southeast-1 | ~249 ms |
| N. California us-west-1 | ~255 ms |
| N. Virginia us-east-1 | ~396 ms |
| Tokyo ap-northeast-1 | ~635 ms |
| Hong Kong ap-east-1 | ~744 ms |
| Seoul ap-northeast-2 | ~861 ms |
Indicative REST round-trips from our multi-region measurements — for comparing regions, not an SLA. WebSocket feeds are faster in absolute terms, but the regional proportions hold.
Best server location for trading on CEX.IO
Host your trading server or bot in AWS Frankfurt (eu-central-1): it reaches CEX.IO in about 49 ms, fast enough that order placement and market data stay effectively real-time.
Avoid running latency-sensitive strategies against CEX.IO from Seoul or other distant regions. At ~861 ms (18× the co-located figure) every price you see is stale before you can act on it, and that staleness turns into slippage on every market order.
Compare with other exchanges
Bitvavo server location
~15 ms
Kraken server location
~18 ms
Bitstamp server location
~20 ms
Bitfinex server location
~22 msFrequently asked questions
Where are CEX.IO's servers located?
CEX.IO responds fastest from AWS Frankfurt (eu-central-1) — about 49 ms round-trip — which places its API infrastructure in or near Frankfurt.
What is the best server location for CEX.IO?
AWS Frankfurt (eu-central-1). A server there reaches CEX.IO in ~49 ms, versus ~861 ms from Seoul — a 18× difference on every API call.
How much does server location change latency to CEX.IO?
In our measurements: ~49 ms from Frankfurt versus ~861 ms from Seoul — a 18× spread. Every order and every orderbook update pays this tax in both directions.