OKCoin Japan has officially rebranded to OKJ on 20th August 2024. For more information, kindly refer to this announcement.
Centralized Exchange
OKJ
Start Trading
Affiliate disclosures
BTC185.6432
24h Trading Volume
72.8%
7/10
Trust Score
Trust Score is a rating algorithm developed by CoinGecko to evaluate the legitimacy of an exchange’s trading volume. Trust Score is calculated on a range of metrics such as liquidity, scale of operations, cybersecurity score, and more. For more details read our full methodology.
✨ New Listings
Spot Markets
| # | Coin | Pair | Price | Spread | +2% Depth | -2% Depth | 24h Volume | Volume % | Last Updated |
|---|---|---|---|---|---|---|---|---|---|
| 1 | $79,481.23 | 0.06% | $404,929 | $466,976 | $10,477,919 | 71.2% |
Recently
Anomaly - Trading price or volume is an outlier against the average
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| 2 | $2,274.77 | 0.05% | $253,527 | $177,457 | $2,836,977 | 19.28% |
Recently
|
||
| 3 | $1.38 | 0.05% | $42,930 | $66,711 | $749,896 | 5.1% |
Recently
|
||
| 4 | $2.66 | 1.3% | $21,264 | $30,348 | $151,195 | 1.03% |
Recently
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| 5 | $88.11 | 0.11% | $28,219 | $47,125 | $150,899 | 1.03% |
Recently
|
||
| 6 | $0.34728809028007113209098742727842300381267819920584 | 0.22% | $26,721 | $11,447 | $94,488.00 | 0.64% |
Recently
|
||
| 7 | $0.10632816555915446414800349454339291702462448179552 | 0.23% | $10,480 | $31,374 | $44,297.00 | 0.3% |
Recently
|
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| 8 | $0.9661733585499325948876810702902571789842496837656 | 0.25% | $5,908 | $27,813 | $37,611.00 | 0.26% |
Recently
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| 9 | $452.12 | 0.32% | $8,161 | $32,312 | $21,451.00 | 0.15% |
Recently
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| 10 | $0.26122323187772842658188745310315809652085874278488 | 0.22% | $6,958 | $21,519 | $13,766.00 | 0.09% |
Recently
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| 11 | $0.15842743641450653458176078369631109434581701242344 | 0.32% | $10,011 | $28,677 | $12,807.00 | 0.09% |
Recently
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| 12 | $9.54 | 0.34% | $3,220 | $9,164 | $12,535.00 | 0.09% |
Recently
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| 13 | $0.001089678789521437870166334685624001530313523862968 | 1.7% | $3,207 | $2,858 | $12,114.00 | 0.08% |
Recently
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| 14 | $0.1273311025555477721897115486946244035129378089144 | 0.35% | $6,143 | $7,649 | $11,708.00 | 0.08% |
Recently
|
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| 15 | $56.59 | 0.31% | $6,450 | $17,586 | $11,702.00 | 0.08% |
Recently
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| 16 | $640.21 | 0.11% | $7,453 | $17,774 | $11,592.00 | 0.08% |
Recently
Anomaly - Trading price or volume is an outlier against the average
|
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| 17 | $1.03 | 0.68% | $3,771 | $25,511 | $9,288.00 | 0.06% |
Recently
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| 18 | $0.05626294318904290431814442507287405209567266714102 | 0.54% | $4,029 | $22,364 | $6,991.00 | 0.05% |
Recently
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| 19 | $0.0993399387989701697904710029375186883691322515216 | 0.52% | $3,402 | $5,630 | $4,535.00 | 0.03% |
Recently
Anomaly - Trading price or volume is an outlier against the average
|
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| 20 | $2.35 | 0.22% | $3,912 | $3,824 | $4,118.00 | 0.03% |
Recently
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| 21 | $0.163866266183153617690314812291028901866925472664 | 57.49% | $0 | $0 | $3,930.00 | 0.03% |
Recently
|
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| 22 | $1.01 | 6.96% | $0 | $0 | $2,465.00 | 0.02% |
Recently
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| 23 | $0.001114545654817714100088211252469721869507337456096 | 0.92% | $4,986 | $3,464 | $2,437.00 | 0.02% |
Recently
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| 24 | $9.84 | 0.2% | $2,753 | $5,484 | $739.00 | 0.01% |
Recently
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| 25 | $1.12 | 0.9% | $545 | $3,734 | $660.00 | 0.0% |
Recently
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| 26 | $0.000625497303990948244957972104503888532029003457912 | 0.71% | $58 | $51 | $631.00 | 0.0% |
Recently
|
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| 27 | $0.0807216704232966848233223939145691010753025869232 | 0.38% | $10,867 | $10,758 | $520.00 | 0.0% |
Recently
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| 28 | $0.06057313341400620109175061154726749290800747044 | 0.32% | $1,758 | $21,970 | $511.00 | 0.0% |
Recently
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| 29 | $0.1302641174366470198215226309379657768537465916936 | 3.91% | $286 | $1 | $399.00 | 0.0% |
Recently
|
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| 30 | $85.65 | 0.28% | $353 | $729 | $383.00 | 0.0% |
Recently
|
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| 31 | $0.1046321178235622905174344774200694272232002726232 | 1.03% | $2,188 | $2,456 | $333.00 | 0.0% |
Recently
|
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| 32 | $0.07760374808230204984081017822545185854561672870792 | 0.72% | $2,105 | $2,095 | $280.00 | 0.0% |
Recently
|
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| 33 | $1.32 | 0.44% | $992 | $9,856 | $226.00 | 0.0% |
Recently
|
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| 34 | $0.1477984455301751306638714921753326826955382278736 | 0.52% | $1,122 | $1,290 | $197.00 | 0.0% |
Recently
|
||
| 35 | $0.04720241122777767438760313445099171052610308459656 | 0.72% | $4,467 | $2,959 | $98.00 | 0.0% |
Recently
|
||
| 36 | $0.00888831031359206782335793184177798790671183303088 | 0.36% | $2,103 | $2,106 | $90.00 | 0.0% |
Recently
|
||
| 37 | $0.3772749793796575703788298616054544795122949500984 | 0.47% | $2,871 | $6,388 | $67.00 | 0.0% |
Recently
|
||
| 38 | $0.004859240523664644826528751690544479615283420339192 | 0.01% | $440 | $466 | $65.00 | 0.0% |
Recently
|
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| 39 | $0.000619121184684210750106208882235755111722897408392 | 1.26% | $5,527 | $1,748 | $61.00 | 0.0% |
Recently
Anomaly - Trading price or volume is an outlier against the average
|
||
| 40 | $0.5259023204197085753734305726756445068476269644096 | 0.49% | $2,687 | $7,341 | $43.00 | 0.0% |
Recently
|
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| 41 | $0.000349411338009214717876624580293711432774611513696 | 5.11% | $0 | $0 | $12.00 | 0.0% |
Recently
|
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| 42 | $0.0515190439984389584022468359265180360733368801216 | 1.37% | $2,601 | $954 | $3.00 | 0.0% |
Recently
|
||
| 43 | $9.27 | 0.53% | $6,015 | $6,794 | $0.00 | 0.0% |
Recently
|
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| 44 | $0.004271362323583447801196182597422578263060442573448 | 0.55% | $2,616 | $2,855 | $0.00 | 0.0% |
Recently
|
||
| 45 | $0.0541169964751673330508349949863110681574496151145688 | 0.56% | $8,549 | $23,683 | $23,117.00 | 0.16% |
Recently
|
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| 46 | $0.011338015351240613345405361837194847988317777256464 | 0.55% | $2,143 | $2,054 | $232.00 | 0.0% |
Recently
Anomaly - Trading price or volume is an outlier against the average
|
||
| 47 | $0.9541224930601987296178485802034850146057092501728 | 0.62% | $2,378 | $7,249 | $65.00 | 0.0% |
Recently
Anomaly - Trading price or volume is an outlier against the average
|
||
| 48 | $2.95 | 0.78% | $6,017 | $6,132 | $1.00 | 0.0% |
Recently
Anomaly - Trading price or volume is an outlier against the average
|
||
Don't see your trading pairs? Click here to learn why.
About OKJ
What is OKJ?
OKJ is a centralized cryptocurrency exchange established in 2017 and is registered in Japan. Currently, there are 48 coins and 48 trading pairs available on the exchange. OKJ 24h volume is reported to be at $14,715,336.92, a change of 72.78% in the last 24 hours. Exchange Reserves data is currently unavailable for OKJ. The most active trading pair is BTC/JPY with a 24h volume of $10,477,919.36.
Our company was established as the Japanese corporation of OK Group and is operating under a structure compliant with Japanese laws and regulations as a registered cryptocurrency exchange business with the Financial Services Agency. Additionally, by utilizing the group's advanced technology, products, and the know-how accumulated over the years, we are flexibly responding to market needs and will contribute to the revitalization of Japan's WEB3.0 (crypto asset-related business).
Website
Email
API ID
Address
5th Floor, Toranomon Sakurada-dori Building, 1-2-10 Toranomon, Minato-ku, Tokyo 105-0001, Japan.
# Coins
48
# Pairs
48
Year Established
2017
Incorporation Country Code
Japan
Fees
Fees
Cryptocurrency Sales Location: 0% Cryptocurrency Exchange: 0.02% to 0.14%
Fiat Deposit
JPY
Withdrawal
400 yen or more
Accepted Payment Methods
Bank Transfers
Margin Trading
No
Market With Fees
Yes
OKJ Statistics
Volume by Market Pair
Volume by Currency
Exchange Trade Volume
CSV
Excel
OKJ Trust Score
Trust Score is a rating algorithm developed by CoinGecko to evaluate the legitimacy of an exchange’s trading volume. Trust Score is calculated on a range of metrics such as liquidity, scale of operations, cybersecurity score, and more. For more details read our full methodology.
7/10
Liquidity
50%
Liquidity refers to how likely a cryptoasset can be traded at a price which reflects its intrinsic value. To measure liquidity, we consider an exchange's:
(1) Volume consistency
(2) Order book depth
(3) Quality Gate
And benchmark them against a set of trusted exchanges.
(1) Volume consistency
(2) Order book depth
(3) Quality Gate
And benchmark them against a set of trusted exchanges.
Regulation
15%
Regulation reflects the depth of regulatory oversight an exchange has voluntarily placed itself under for spot trading activity.
Cybersecurity
20%
Cybersecurity Score of a cryptocurrency exchange as evaluated by Hacken on cer.live.
This evaluation covers product, infrastructure, user accounts as well as several other security aspects of an exchange.
This evaluation covers product, infrastructure, user accounts as well as several other security aspects of an exchange.
Incident
10%
Incident refers to whether an exchange has experienced security/functional issues that can potentially affect a user's fund safety.
Proof of Reserves
5%
Proof of Reserves (PoR) considers the availability of declared assets that can be publicly assessed, user-attestation processes as well as financial audits. Read more about it here.
Score reflects additional qualitative review
View methodology
Liquidity
Reported Trading Volume
-
Average Bid-Ask Spread
2.189%
Liquidity assessment
Low
Based on volume, orderbook depth, and benchmark analysis across top coins by market cap.
Regulation
Crypto Asset Exchange Provider (暗号資産交換業者) - Japan
Licensed under a globally recognized, comprehensive framework for spot crypto trading with strict authorization criteria, market integrity, anti-money laundering, client-asset protection requirements, and ongoing supervision.
Regulatory data is sourced with the assistance of AI and is periodically reviewed which may not reflect the most current licensing status. Only the strongest sourced regulatory data is displayed. To submit an update to exchange regulatory data, you may fill in this form.
Cybersecurity
Penetration Test
-
Proof of Reserves Audit
-
Bug Bounty
-
Last Updated: 2024-02-07 | Data provided by cer.live
Incident
No incidents recorded
Exchanges receive a 10% penalty if a security incident has occurred within the past 12 months.
Additional information · not included in score
API Coverage
Grade
A
Tickers Data
Historical Trades Data
Orderbook Data
Trading via API
OHLC Data
Websocket
Public Documentation
Last Updated: 2026-03-11
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