Borsa Italiana · 1GERN · stock
Geron Corporation (1GERN) stock price history
Every Borsa Italiana trading session of Geron Corporation from Sep 10, 2025 to Sep 25, 2026: 265 daily bars, adjusted for splits and dividends, with minute bars from Sep 18, 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.
1GERN adjusted close, 2025 to 2026
- €1.53
- All time high, 2026
- €1.58
- 52 week high, €0.9446 low
- 265
- Daily sessions since 2025
Last updated Sep 25, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
1GERN key facts
- Geron Corporation (1GERN) closed at €1.10 on Sep 25, 2026 on Borsa Italiana.
- 1GERN's all time high close is €1.53, set on Feb 23, 2026; its all time low close is €0.9386 on Nov 24, 2025.
- 1GERN's 52 week range is €0.9446 to €1.58.
- 1GERN returned -2.8% over the year to Sep 25, 2026.
- Since Sep 10, 2025 1GERN returned -4%, -4.1% a year compounded.
- 1GERN's deepest drawdown was -36.8% from Mar 3, 2026 to Jun 10, 2026.
- DataCedar holds 265 daily sessions of 1GERN history from Sep 10, 2025 and minute bars from Sep 18, 2026, adjusted for splits and dividends, served by the API under a key.
1GERN price chart, 2025 to 2026
1GERN returns
Price return from the last close on or before the window start to Sep 25, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -15.2% |
| 3 months | -13.2% |
| 6 months | -19.6% |
| Year to date | -2.5% |
| 1 year | -2.8% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Sep 10, 2025 | -4.3% |
| Compound annual growth, 1.0 years | -4.1% |
1GERN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €1.53 on Feb 23, 2026
- All time low close
- €0.9386 on Nov 24, 2025
- 52 week high
- €1.58 on Feb 23, 2026
- 52 week low
- €0.9446 on Nov 10, 2025
- Deepest drawdown
- -36.8% from Mar 3, 2026 to Jun 10, 2026, not yet recovered
- Best single session
- +34.5% on Oct 7, 2025
- Worst single session
- -19.7% on Mar 4, 2026
- Volatility, 1 year annualised
- 75.6%
- Sessions closing higher, 1 year
- 25%
1GERN 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. 2025 starts on Sep 10, 2025; 2026 runs to Sep 25, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €1.13 | €1.58 | €0.9474 | €1.10 | -2.5% | 438.1K | 188 |
| 2025 | €1.15 | €1.25 | €0.9446 | €1.13 | n/a | 79.7K | 77 |
1GERN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €1.10 | -12.8% |
| August 2026 | €1.26 | +3.4% |
| July 2026 | €1.22 | +7.7% |
| June 2026 | €1.13 | +5.5% |
| May 2026 | €1.07 | -16.0% |
| April 2026 | €1.28 | +0.3% |
| March 2026 | €1.27 | -16.9% |
| February 2026 | €1.53 | +34.3% |
| January 2026 | €1.14 | +1.1% |
| December 2025 | €1.13 | +10.2% |
| November 2025 | €1.02 | -2.9% |
| October 2025 | €1.06 | -6.8% |
About the 1GERN data
Daily bars. 265 sessions from Sep 10, 2025 to Sep 25, 2026, one row per Borsa Italiana 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 18, 2026 forward, most recent session Sep 25, 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 Borsa Italiana trading days; minute timestamps are UTC. Prices are in EUR. 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 10, 2025, 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/1GERN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Borsa Italiana
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Common questions
1GERN share price history
