Nasdaq · SLS · stock
SELLAS Life Sciences Group, Inc. (SLS) stock price history
Every Nasdaq trading session of SELLAS Life Sciences Group, Inc. from Mar 12, 2008 to Sep 28, 2026: 4,666 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.
SLS adjusted close, 2008 to 2026
- $408,000
- All time high, 2008
- $15.88
- 52 week high, $1.39 low
- 4,666
- Daily sessions since 2008
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2008 to 2026 series and minute bars.
SLS key facts
- SELLAS Life Sciences Group, Inc. (SLS) closed at $11.59 on Sep 28, 2026 on Nasdaq.
- SLS's all time high close is $408,000, set on Mar 13, 2008; its all time low close is $0.5100 on Jan 18, 2024.
- SLS's 52 week range is $1.39 to $15.88.
- SLS returned +611.0% over the year to Sep 28, 2026 and +20.1% over five years.
- Over ten years SLS returned -100%, -49.4% a year compounded.
- SLS's deepest drawdown was -100.0% from Mar 13, 2008 to Jan 18, 2024.
- DataCedar holds 4,666 daily sessions of SLS history from Mar 12, 2008 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
SLS price chart, 2008 to 2026
SLS returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -12.3% |
| 3 months | -6.5% |
| 6 months | +165.2% |
| Year to date | +250.2% |
| 1 year | +611.0% |
| 3 years | +594.0% |
| 5 years | +20.1% |
| 10 years | -99.9% |
| Since Mar 12, 2008 | -100.0% |
| Compound annual growth, 18.5 years | -42.3% |
SLS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $408,000 on Mar 13, 2008
- All time low close
- $0.5100 on Jan 18, 2024
- 52 week high
- $15.88 on Jun 30, 2026
- 52 week low
- $1.39 on Nov 17, 2025
- Deepest drawdown
- -100.0% from Mar 13, 2008 to Jan 18, 2024, not yet recovered
- Best single session
- +176.4% on Dec 10, 2020
- Worst single session
- -82.8% on Jun 29, 2016
- Volatility, 1 year annualised
- 103.4%
- Sessions closing higher, 1 year
- 54%
- Best calendar year
- 2025, +263%
- Worst calendar year
- 2016, -93%
SLS 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. 2008 starts on Mar 12, 2008; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $4.45 | $15.88 | $3.23 | $11.59 | +207.4% | 1.5B | 185 |
| 2025 | $1.08 | $3.99 | $0.8500 | $3.77 | +262.5% | 831.8M | 250 |
| 2024 | $1.09 | $1.72 | $0.5000 | $1.04 | -1.9% | 280.8M | 252 |
| 2023 | $2.48 | $4.13 | $0.8100 | $1.06 | -55.1% | 95.7M | 250 |
| 2022 | $5.60 | $7.40 | $1.77 | $2.36 | -57.3% | 57.1M | 251 |
| 2021 | $5.70 | $15.08 | $5.20 | $5.53 | -4.8% | 181.8M | 252 |
| 2020 | $4.21 | $19.38 | $1.46 | $5.81 | +35.1% | 319.4M | 253 |
| 2019 | $62.50 | $89.50 | $3.54 | $4.30 | -93.0% | 63.4M | 252 |
| 2018 | $375.00 | $554.50 | $40.00 | $61.50 | -84.2% | 4.3M | 251 |
| 2017 | $2,985 | $3,615 | $390.00 | $390.00 | -86.6% | 189.7K | 251 |
| 2016 | $43,800 | $74,700 | $2,760 | $2,910 | -93.4% | 62.8K | 252 |
| 2015 | $45,300 | $71,700 | $33,000 | $44,100 | -2.6% | 17.9K | 252 |
| 2014 | $152,400 | $233,100 | $44,400 | $45,300 | -69.6% | 34.3K | 252 |
| 2013 | $48,000 | $159,000 | $46,500 | $148,800 | +224.2% | 22.8K | 252 |
| 2012 | $14,100 | $106,200 | $12,900 | $45,900 | +225.5% | 18.9K | 250 |
| 2011 | $77,400 | $79,500 | $10,800 | $14,100 | -81.8% | 6.2K | 252 |
| 2010 | $137,400 | $269,700 | $51,000 | $77,400 | -43.7% | 2.1K | 252 |
| 2009 | $168,000 | $227,100 | $45,300 | $137,400 | -20.3% | 599 | 252 |
| 2008 | $180,300 | $718,500 | $156,600 | $172,500 | n/a | 218 | 205 |
SLS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $11.59 | -13.1% |
| August 2026 | $13.34 | +33.3% |
| July 2026 | $10.01 | -32.2% |
| June 2026 | $14.76 | +58.5% |
| May 2026 | $9.31 | +88.1% |
| April 2026 | $4.95 | +17.0% |
| March 2026 | $4.23 | -14.2% |
| February 2026 | $4.93 | +30.8% |
| January 2026 | $3.77 | 0.0% |
| December 2025 | $3.77 | +132.7% |
| November 2025 | $1.62 | -11.0% |
| October 2025 | $1.82 | +13.0% |
About the SLS data
Daily bars. 4,666 sessions from Mar 12, 2008 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 Mar 12, 2008, 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/SLS/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
SLS share price history
