JPX · 6599 · stock

Ebrains, Inc. (6599) stock price history

Every JPX trading session of Ebrains, Inc. from Jun 30, 2020 to Sep 28, 2026: 1,525 daily bars, adjusted for splits and dividends, with minute bars from Sep 14, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

6599 adjusted close, 2020 to 2026

6599Ebrains, Inc.
¥4,370+87.4% over one year
202120222023202420252026
¥5,894
All time high, 2020
¥4,500
52 week high, ¥2,263 low
1,525
Daily sessions since 2020

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2020 to 2026 series and minute bars.

6599 key facts

  • Ebrains, Inc. (6599) closed at ¥4,370 on Sep 28, 2026 on JPX.
  • 6599's all time high close is ¥5,894, set on Sep 4, 2020; its all time low close is ¥1,889 on Aug 5, 2024.
  • 6599's 52 week range is ¥2,263 to ¥4,500.
  • 6599 returned +87.4% over the year to Sep 28, 2026 and +50.0% over five years.
  • Since Jun 30, 2020 6599 returned +2%, +0.3% a year compounded.
  • 6599's deepest drawdown was -67.9% from Sep 4, 2020 to Aug 5, 2024.
  • DataCedar holds 1,525 daily sessions of 6599 history from Jun 30, 2020 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.

6599 price chart, 2020 to 2026

6599 adjusted close, Jun 30, 2020 to Sep 28, 2026¥1,930¥2,926¥3,923¥4,9192020202120222023202420252026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

6599 returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month+30.1%
3 months+35.9%
6 months+30.8%
Year to date+62.6%
1 year+87.4%
3 years+92.2%
5 years+50.0%
10 yearsn/a
Since Jun 30, 2020+1.6%
Compound annual growth, 6.2 years+0.3%

6599 records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
¥5,894 on Sep 4, 2020
All time low close
¥1,889 on Aug 5, 2024
52 week high
¥4,500 on Sep 25, 2026
52 week low
¥2,263 on Oct 14, 2025
Deepest drawdown
-67.9% from Sep 4, 2020 to Aug 5, 2024, not yet recovered
Best single session
+21.0% on Jul 3, 2020
Worst single session
-15.4% on Jul 2, 2020
Volatility, 1 year annualised
56.6%
Sessions closing higher, 1 year
47%
Best calendar year
2025, +24%
Worst calendar year
2021, -12%

6599 price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2020 starts on Jun 30, 2020; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026¥2,958¥4,500¥2,645¥4,370+62.6%1.5M178
2025¥2,127¥3,377¥1,989¥2,687+23.6%784.5K243
2024¥2,125¥2,764¥1,851¥2,175+2.4%479.7K245
2023¥2,125¥2,541¥2,011¥2,125-0.7%461.1K246
2022¥2,419¥2,503¥1,886¥2,140-10.1%524.7K244
2021¥2,738¥3,773¥2,249¥2,380-12.5%2.5M245
2020¥4,641¥6,015¥2,599¥2,720n/a11.7M124

6599 monthly closes, last 12 months

MonthMonth end closeChange
September 2026¥4,370+28.5%
August 2026¥3,400+13.9%
July 2026¥2,986-3.4%
June 2026¥3,090-12.1%
May 2026¥3,515+4.6%
April 2026¥3,360-4.7%
March 2026¥3,525+13.5%
February 2026¥3,105+12.1%
January 2026¥2,770+3.1%
December 2025¥2,687+1.7%
November 2025¥2,643-8.5%
October 2025¥2,888+23.2%

About the 6599 data

Daily bars. 1,525 sessions from Jun 30, 2020 to Sep 28, 2026, one row per JPX trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Sep 14, 2026 forward, most recent session Sep 29, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are JPX trading days; minute timestamps are UTC. Prices are in JPY. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jun 30, 2020, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/6599/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

6599 share price history

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