Nasdaq · CLGN · stock
CollPlant Biotechnologies Ltd (CLGN) stock price history
Every Nasdaq trading session of CollPlant Biotechnologies Ltd from Jan 31, 2018 to Sep 28, 2026: 2,176 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 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.
CLGN adjusted close, 2018 to 2026
- $24.25
- All time high, 2021
- $9.60
- 52 week high, $0.2700 low
- 2,176
- Daily sessions since 2018
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2018 to 2026 series and minute bars.
CLGN key facts
- CollPlant Biotechnologies Ltd (CLGN) closed at $3.87 on Sep 28, 2026 on Nasdaq.
- CLGN's all time high close is $24.25, set on Feb 11, 2021; its all time low close is $0.2730 on Jul 31, 2026.
- CLGN's 52 week range is $0.2700 to $9.60.
- CLGN returned +23.2% over the year to Sep 28, 2026 and -77.4% over five years.
- Since Jan 31, 2018 CLGN returned -57%, -9.2% a year compounded.
- CLGN's deepest drawdown was -98.9% from Feb 11, 2021 to Jul 31, 2026.
- DataCedar holds 2,176 daily sessions of CLGN history from Jan 31, 2018 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
CLGN price chart, 2018 to 2026
CLGN returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +8.1% |
| 3 months | +1,062% |
| 6 months | +520.2% |
| Year to date | +176.4% |
| 1 year | +23.2% |
| 3 years | -28.3% |
| 5 years | -77.4% |
| 10 years | n/a |
| Since Jan 31, 2018 | -56.8% |
| Compound annual growth, 8.7 years | -9.2% |
CLGN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $24.25 on Feb 11, 2021
- All time low close
- $0.2730 on Jul 31, 2026
- 52 week high
- $9.60 on Aug 31, 2026
- 52 week low
- $0.2700 on Jul 31, 2026
- Deepest drawdown
- -98.9% from Feb 11, 2021 to Jul 31, 2026, not yet recovered
- Best single session
- +864.1% on Aug 25, 2026
- Worst single session
- -53.4% on Feb 5, 2026
- Volatility, 1 year annualised
- 259.4%
- Sessions closing higher, 1 year
- 41%
- Best calendar year
- 2020, +89%
- Worst calendar year
- 2025, -61%
CLGN 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. 2018 starts on Jan 31, 2018; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $1.44 | $9.60 | $0.2700 | $3.87 | +176.4% | 34.9M | 185 |
| 2025 | $3.70 | $4.98 | $1.30 | $1.40 | -61.1% | 16.1M | 250 |
| 2024 | $6.21 | $6.75 | $3.24 | $3.60 | -43.7% | 2.7M | 252 |
| 2023 | $8.21 | $13.97 | $4.70 | $6.39 | -23.5% | 3.6M | 250 |
| 2022 | $16.30 | $16.82 | $4.27 | $8.35 | -49.0% | 7.5M | 251 |
| 2021 | $10.86 | $24.26 | $10.25 | $16.36 | +51.9% | 17.4M | 252 |
| 2020 | $5.62 | $14.55 | $5.62 | $10.77 | +88.9% | 5M | 253 |
| 2019 | $4.33 | $6.13 | $3.35 | $5.70 | +35.7% | 1.5M | 252 |
| 2018 | $8.95 | $8.99 | $3.13 | $4.20 | n/a | 1.9M | 231 |
CLGN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $3.87 | -0.3% |
| August 2026 | $3.88 | +1,321% |
| July 2026 | $0.2730 | -21.8% |
| June 2026 | $0.3490 | -13.2% |
| May 2026 | $0.4020 | +5.0% |
| April 2026 | $0.3830 | -28.5% |
| March 2026 | $0.5360 | -5.1% |
| February 2026 | $0.5650 | -70.1% |
| January 2026 | $1.89 | +35.0% |
| December 2025 | $1.40 | -36.0% |
| November 2025 | $2.19 | +1.3% |
| October 2025 | $2.16 | -19.7% |
About the CLGN data
Daily bars. 2,176 sessions from Jan 31, 2018 to Sep 28, 2026, one row per Nasdaq 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 Jul 13, 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 Nasdaq trading days; minute timestamps are UTC. Prices are in USD. 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 Jan 31, 2018, 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/CLGN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
CLGN share price history
