JPX · 6522 · stock

Asterisk Inc. (6522) stock price history

Every JPX trading session of Asterisk Inc. from Sep 30, 2021 to Sep 28, 2026: 1,220 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.

6522 adjusted close, 2021 to 2026

6522Asterisk Inc.
¥1,271+217.8% over one year
20222023202420252026
¥5,918
All time high, 2021
¥2,580
52 week high, ¥338.00 low
1,220
Daily sessions since 2021

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2021 to 2026 series and minute bars.

6522 key facts

  • Asterisk Inc. (6522) closed at ¥1,271 on Sep 28, 2026 on JPX.
  • 6522's all time high close is ¥5,918, set on Nov 16, 2021; its all time low close is ¥341.00 on Oct 29, 2025.
  • 6522's 52 week range is ¥338.00 to ¥2,580.
  • 6522 returned +217.8% over the year to Sep 28, 2026.
  • Since Sep 30, 2021 6522 returned -19%, -4.2% a year compounded.
  • 6522's deepest drawdown was -94.2% from Nov 16, 2021 to Oct 29, 2025.
  • DataCedar holds 1,220 daily sessions of 6522 history from Sep 30, 2021 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.

6522 price chart, 2021 to 2026

6522 adjusted close, Sep 30, 2021 to Sep 28, 2026¥345.00¥866.32¥2,175¥5,463202120222023202420252026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

6522 returns

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

PeriodReturn
1 month-45.6%
3 months+24.6%
6 months-15.3%
Year to date+231.9%
1 year+217.8%
3 years+39.5%
5 yearsn/a
10 yearsn/a
Since Sep 30, 2021-19.4%
Compound annual growth, 5.0 years-4.2%

6522 records

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

All time high close
¥5,918 on Nov 16, 2021
All time low close
¥341.00 on Oct 29, 2025
52 week high
¥2,580 on Jul 8, 2026
52 week low
¥338.00 on Oct 29, 2025
Deepest drawdown
-94.2% from Nov 16, 2021 to Oct 29, 2025, not yet recovered
Best single session
+53.3% on Mar 19, 2026
Worst single session
-23.2% on Sep 1, 2026
Volatility, 1 year annualised
125.1%
Sessions closing higher, 1 year
43%
Best calendar year
2025, -22%
Worst calendar year
2022, -57%

6522 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. 2021 starts on Sep 30, 2021; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026¥385.00¥2,580¥372.00¥1,271+231.9%284M178
2025¥522.00¥670.00¥338.00¥383.00-21.8%29M243
2024¥682.00¥939.00¥400.00¥490.00-29.3%32.5M245
2023¥1,281¥1,355¥595.00¥693.00-46.1%30.8M246
2022¥3,005¥3,875¥1,112¥1,285-57.2%45.9M244
2021¥1,440¥6,685¥1,128¥3,000n/a199.7M64

6522 monthly closes, last 12 months

MonthMonth end closeChange
September 2026¥1,271-41.0%
August 2026¥2,156+35.5%
July 2026¥1,591+19.6%
June 2026¥1,330+67.3%
May 2026¥795.00-30.3%
April 2026¥1,141-1.9%
March 2026¥1,163+178.2%
February 2026¥418.00+3.2%
January 2026¥405.00+5.7%
December 2025¥383.00+6.1%
November 2025¥361.00+5.2%
October 2025¥343.00-14.5%

About the 6522 data

Daily bars. 1,220 sessions from Sep 30, 2021 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 28, 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 Sep 30, 2021, 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/6522/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

Nearby on JPX

  • 6516 Sanyo Denki Co., Ltd.
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  • 6518 Sanso Electric Co.,Ltd.
  • 6521 OXIDE Corporation
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  • 6525 Kokusai Electric Corporation
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Common questions

6522 share price history

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