JPX · 281A · stock
Informetis Co., Ltd. (281A) stock price history
Every JPX trading session of Informetis Co., Ltd. from Dec 9, 2024 to Sep 28, 2026: 437 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.
281A adjusted close, 2024 to 2026
- ¥2,063
- All time high, 2025
- ¥1,501
- 52 week high, ¥306.00 low
- 437
- Daily sessions since 2024
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2024 to 2026 series and minute bars.
281A key facts
- Informetis Co., Ltd. (281A) closed at ¥391.00 on Sep 28, 2026 on JPX.
- 281A's all time high close is ¥2,063, set on Aug 25, 2025; its all time low close is ¥311.00 on Mar 4, 2026.
- 281A's 52 week range is ¥306.00 to ¥1,501.
- 281A returned -73.7% over the year to Sep 28, 2026.
- Since Dec 9, 2024 281A returned -63%, -42.8% a year compounded.
- 281A's deepest drawdown was -84.9% from Aug 25, 2025 to Mar 4, 2026.
- DataCedar holds 437 daily sessions of 281A history from Dec 9, 2024 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.
281A price chart, 2024 to 2026
281A returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -11.5% |
| 3 months | -42.2% |
| 6 months | -16.1% |
| Year to date | +4.5% |
| 1 year | -73.7% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Dec 9, 2024 | -63.5% |
| Compound annual growth, 1.8 years | -42.8% |
281A records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ¥2,063 on Aug 25, 2025
- All time low close
- ¥311.00 on Mar 4, 2026
- 52 week high
- ¥1,501 on Sep 29, 2025
- 52 week low
- ¥306.00 on Mar 4, 2026
- Deepest drawdown
- -84.9% from Aug 25, 2025 to Mar 4, 2026, not yet recovered
- Best single session
- +26.4% on Jul 16, 2025
- Worst single session
- -29.2% on Oct 24, 2025
- Volatility, 1 year annualised
- 97.4%
- Sessions closing higher, 1 year
- 41%
- Best calendar year
- 2025, -66%
- Worst calendar year
- 2025, -66%
281A 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. 2024 starts on Dec 9, 2024; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥377.00 | ¥1,060 | ¥306.00 | ¥391.00 | +4.5% | 132.2M | 178 |
| 2025 | ¥1,100 | ¥2,185 | ¥370.00 | ¥374.00 | -65.6% | 113.3M | 243 |
| 2024 | ¥993.00 | ¥1,177 | ¥935.00 | ¥1,086 | n/a | 6M | 16 |
281A monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | ¥391.00 | -11.9% |
| August 2026 | ¥444.00 | +3.5% |
| July 2026 | ¥429.00 | -36.0% |
| June 2026 | ¥670.00 | -11.8% |
| May 2026 | ¥760.00 | +9.7% |
| April 2026 | ¥693.00 | +51.6% |
| March 2026 | ¥457.00 | +34.0% |
| February 2026 | ¥341.00 | -1.2% |
| January 2026 | ¥345.00 | -7.8% |
| December 2025 | ¥374.00 | -24.3% |
| November 2025 | ¥494.00 | -22.4% |
| October 2025 | ¥637.00 | -50.0% |
About the 281A data
Daily bars. 437 sessions from Dec 9, 2024 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 Dec 9, 2024, 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/281A/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
281A share price history
