Region Global Probed contract BTC-USDT-SWAP Vantage Tokyo, JP

OKX reliability

Independent measurement of OKX: API availability, response time, server clock offset and market-data staleness, sampled every 15 seconds.

Operational

Uptime

100%

830,076 probes

Median

22 ms

p95 55 ms

Clock offset

±0 ms

Data age

9 ms

p95 1,003 ms

Quantiles from retained successful requests; window: 2026-10-08 04:54 – 2026-10-29 04:57 UTC

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Daily availability

UTC

2026-08-01 UTC 2026-10-29 UTC

Measured

Uptime	100%
Median	22 ms
p95	55 ms
p99	80 ms
Clock offset	±0 ms
Data age p50	9 ms
Data age p95	1,003 ms
APR spread	0.012 bps
Uptime under stress	99.994% (71,568)

Execution cost

Estimated price deviation from visible orders; trading fees are not included.

Order size	Could fill	Cheapest	Median rank
$10k	100%	8%	3
$50k	92%	6%	4
$250k	56%	0%	4
$1M	28%	18%	4

Measured across 40 widely-listed symbols. "Could fill" is the share of them whose visible book absorbed the whole order; "cheapest" is the share of those where this venue also had the best price.

Recent incidents

Opened after 2 consecutive failed probes; closed after 2 consecutive good ones.

No incident recorded in this window. That is a real result, not a placeholder — every probe in the period answered correctly.

Compare OKX with

OKX vs Binance

Uptime 100% / 100% · Median 22 ms / 4 ms

OKX vs Bybit

Uptime 100% / 100% · Median 22 ms / 75 ms

OKX vs Gate

Uptime 100% / 100% · Median 22 ms / 6 ms

OKX vs KuCoin

Uptime 100% / 99.993% · Median 22 ms / 16 ms

OKX vs Coinbase

Uptime 100% / 99.985% · Median 22 ms / 123 ms

OKX vs Bitget

Uptime 100% / 99.976% · Median 22 ms / 18 ms

OKX vs Kraken

Uptime 100% / 99.82% · Median 22 ms / 253 ms

OKX vs MEXC

Uptime 100% / 99.64% · Median 22 ms / 31 ms

OKX vs HTX

Uptime 100% / 97.6% · Median 22 ms / 17 ms