JPX · 4890 · stock
Tsubota Laboratory Incorporated (4890) stock price history
Every JPX trading session of Tsubota Laboratory Incorporated from Jun 23, 2022 to Sep 28, 2026: 1,042 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.
4890 adjusted close, 2022 to 2026
- ¥1,342
- All time high, 2022
- ¥478.00
- 52 week high, ¥210.00 low
- 1,042
- Daily sessions since 2022
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2022 to 2026 series and minute bars.
4890 key facts
- Tsubota Laboratory Incorporated (4890) closed at ¥256.00 on Sep 28, 2026 on JPX.
- 4890's all time high close is ¥1,342, set on Nov 24, 2022; its all time low close is ¥216.00 on Jun 23, 2026.
- 4890's 52 week range is ¥210.00 to ¥478.00.
- 4890 returned -27.5% over the year to Sep 28, 2026.
- Since Jun 23, 2022 4890 returned -70%, -24.5% a year compounded.
- 4890's deepest drawdown was -83.9% from Nov 24, 2022 to Jun 23, 2026.
- DataCedar holds 1,042 daily sessions of 4890 history from Jun 23, 2022 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.
4890 price chart, 2022 to 2026
4890 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -11.7% |
| 3 months | +15.8% |
| 6 months | -22.7% |
| Year to date | -24.7% |
| 1 year | -27.5% |
| 3 years | -50.9% |
| 5 years | n/a |
| 10 years | n/a |
| Since Jun 23, 2022 | -69.8% |
| Compound annual growth, 4.3 years | -24.5% |
4890 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ¥1,342 on Nov 24, 2022
- All time low close
- ¥216.00 on Jun 23, 2026
- 52 week high
- ¥478.00 on Mar 13, 2026
- 52 week low
- ¥210.00 on Jun 11, 2026
- Deepest drawdown
- -83.9% from Nov 24, 2022 to Jun 23, 2026, not yet recovered
- Best single session
- +26.1% on Mar 8, 2024
- Worst single session
- -18.6% on May 15, 2023
- Volatility, 1 year annualised
- 52.1%
- Sessions closing higher, 1 year
- 48%
- Best calendar year
- 2024, +16%
- Worst calendar year
- 2023, -62%
4890 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. 2022 starts on Jun 23, 2022; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥340.00 | ¥478.00 | ¥210.00 | ¥256.00 | -24.7% | 48.9M | 178 |
| 2025 | ¥445.00 | ¥460.00 | ¥284.00 | ¥340.00 | -12.6% | 19.6M | 243 |
| 2024 | ¥335.00 | ¥625.00 | ¥252.00 | ¥389.00 | +16.1% | 42.7M | 245 |
| 2023 | ¥885.00 | ¥953.00 | ¥290.00 | ¥335.00 | -61.7% | 38.1M | 246 |
| 2022 | ¥794.00 | ¥1,447 | ¥661.00 | ¥874.00 | n/a | 295.4M | 130 |
4890 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | ¥256.00 | -14.1% |
| August 2026 | ¥298.00 | +20.6% |
| July 2026 | ¥247.00 | +7.9% |
| June 2026 | ¥229.00 | -10.2% |
| May 2026 | ¥255.00 | -13.0% |
| April 2026 | ¥293.00 | -0.3% |
| March 2026 | ¥294.00 | +7.3% |
| February 2026 | ¥274.00 | -13.8% |
| January 2026 | ¥318.00 | -6.5% |
| December 2025 | ¥340.00 | -10.1% |
| November 2025 | ¥378.00 | +17.8% |
| October 2025 | ¥321.00 | -9.8% |
About the 4890 data
Daily bars. 1,042 sessions from Jun 23, 2022 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 23, 2022, 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/4890/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
4890 share price history
