Greenwich LifeSciences, Inc. (GLSI) Stock Price History
Historical prices from 2020 to 2026
- 1M
- -27.3%
- 3M
- -21.9%
- YTD
- +1.7%
- 1Y
- +121.7%
- 3Y
- +26.9%
- 5Y
- -15.0%
Loading 10-year price history...
GLSI Historical Performance
GLSI Annual Returns
Year-by-year price performance · 2020–2026
- 2020 annual price return
- +629.4%
- 2021 annual price return
- -30.3%
- 2022 annual price return
- -35.6%
- 2023 annual price return
- -27.9%
- 2024 annual price return
- +4.0%
- 2025 annual price return
- +79.0%
- 2026 annual price return
- +42.4%
GLSI Stock Price Trajectory (2020–2026)
As of June 28, 2026, Greenwich LifeSciences, Inc. (GLSI) trades at $19.80, representing a +121.7% return over the past year. The stock has delivered a -50.9% total return over five years (-15.0% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $158.07 on December 9, 2020. From this peak, GLSI has corrected -87.5%, currently trading 2% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers NKTR (+114.5% 1Y), HALO (+42.7% 1Y), and INVA (+15.6% 1Y), GLSI has underperformed the peer group average. Compare GLSI vs NKTR →
GLSI Historical Price Data · from 2020
Rows 1–50 of 1,445| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-26 | 18.47 | 20.27 | 17.91 | 19.80 | 0 | +8.02% |
| 2026-06-25 | 22.32 | 22.32 | 16.70 | 18.33 | 442K | -14.51% |
| 2026-06-24 | 23.13 | 23.50 | 21.31 | 21.44 | 132K | -6.90% |
| 2026-06-23 | 23.84 | 23.84 | 22.91 | 23.03 | 68K | -3.03% |
| 2026-06-22 | 23.91 | 24.55 | 23.60 | 23.75 | 83K | +1.58% |
| 2026-06-18 | 24.89 | 24.90 | 22.80 | 23.38 | 87K | -2.54% |
| 2026-06-17 | 24.47 | 25.48 | 23.99 | 23.99 | 110K | +0.46% |
| 2026-06-16 | 23.04 | 24.99 | 23.03 | 23.88 | 132K | +0.46% |
| 2026-06-15 | 24.42 | 24.58 | 23.00 | 23.77 | 52K | -1.21% |
| 2026-06-12 | 23.18 | 24.38 | 23.18 | 24.06 | 94K | +4.47% |
| 2026-06-11 | 22.39 | 23.32 | 21.92 | 23.03 | 54K | +4.16% |
| 2026-06-10 | 22.17 | 23.40 | 22.04 | 22.11 | 65K | -0.54% |
| 2026-06-09 | 22.29 | 22.56 | 21.40 | 22.23 | 85K | +2.68% |
| 2026-06-08 | 22.64 | 22.64 | 20.91 | 21.65 | 170K | -2.70% |
| 2026-06-05 | 22.63 | 22.63 | 22.22 | 22.25 | 177K | -6.00% |
| 2026-06-04 | 23.62 | 24.93 | 22.44 | 23.67 | 267K | -2.55% |
| 2026-06-03 | 24.28 | 24.99 | 23.91 | 24.29 | 118K | 0.00% |
| 2026-06-02 | 27.01 | 27.38 | 22.02 | 24.29 | 477K | -14.80% |
| 2026-06-01 | 27.13 | 29.93 | 26.85 | 28.51 | 214K | +8.92% |
| 2026-05-29 | 29.34 | 29.38 | 26.17 | 26.18 | 183K | -9.71% |
| 2026-05-28 | 28.61 | 29.40 | 27.51 | 28.99 | 104K | -0.82% |
| 2026-05-27 | 27.39 | 29.83 | 27.27 | 29.23 | 173K | +7.39% |
| 2026-05-26 | 28.38 | 28.68 | 27.03 | 27.22 | 99K | -1.56% |
| 2026-05-22 | 27.68 | 28.65 | 27.22 | 27.65 | 0 | +1.69% |
| 2026-05-21 | 26.80 | 27.57 | 26.00 | 27.19 | 67K | -0.48% |
| 2026-05-20 | 26.85 | 27.34 | 26.06 | 27.32 | 112K | +3.84% |
| 2026-05-19 | 26.49 | 26.90 | 25.80 | 26.31 | 95K | -2.12% |
| 2026-05-18 | 27.21 | 28.00 | 26.60 | 26.88 | 81K | -1.21% |
| 2026-05-15 | 26.59 | 29.05 | 25.52 | 27.21 | 217K | +4.77% |
| 2026-05-14 | 25.86 | 27.16 | 25.86 | 25.97 | 150K | +0.35% |
| 2026-05-13 | 24.90 | 26.90 | 24.83 | 25.88 | 169K | +4.73% |
| 2026-05-12 | 23.99 | 25.20 | 23.55 | 24.71 | 96K | +2.40% |
| 2026-05-11 | 22.70 | 26.00 | 22.70 | 24.13 | 260K | +5.56% |
| 2026-05-08 | 23.16 | 23.90 | 22.86 | 22.86 | 68K | -3.22% |
| 2026-05-07 | 22.92 | 23.70 | 22.66 | 23.62 | 52K | +2.43% |
| 2026-05-06 | 23.00 | 23.70 | 22.80 | 23.06 | 85K | +3.41% |
| 2026-05-05 | 22.20 | 22.58 | 21.41 | 22.30 | 22K | +1.46% |
| 2026-05-04 | 23.41 | 23.90 | 21.96 | 21.98 | 170K | -7.26% |
| 2026-05-01 | 23.69 | 24.80 | 23.03 | 23.70 | 115K | +0.34% |
| 2026-04-30 | 21.61 | 23.62 | 21.61 | 23.62 | 95K | +9.35% |
| 2026-04-29 | 22.64 | 22.64 | 21.31 | 21.60 | 152K | -5.26% |
| 2026-04-28 | 23.89 | 24.00 | 22.71 | 22.80 | 87K | -4.96% |
| 2026-04-27 | 23.99 | 24.96 | 23.76 | 23.99 | 64K | -0.91% |
| 2026-04-24 | 23.76 | 24.56 | 23.41 | 24.21 | 87K | +2.28% |
| 2026-04-23 | 24.40 | 25.00 | 23.27 | 23.67 | 74K | -5.09% |
| 2026-04-22 | 24.05 | 25.44 | 23.64 | 24.94 | 121K | +8.86% |
| 2026-04-21 | 24.52 | 24.52 | 22.80 | 22.91 | 180K | -6.57% |
| 2026-04-20 | 27.80 | 28.99 | 24.10 | 24.52 | 331K | -11.61% |
| 2026-04-17 | 27.48 | 30.26 | 27.26 | 27.74 | 229K | +2.36% |
| 2026-04-16 | 25.67 | 27.25 | 25.01 | 27.10 | 84K | +4.59% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
GLSI — Frequently Asked Questions
Quick answers to the most common questions about buying GLSI stock.
How has GLSI stock performed recently?
GLSI returned +121.7% over the past year, beating its 5-year annualized CAGR of -15.0%. The stock trades above its 200-day moving average, confirming the uptrend.
What is GLSI's all-time high price?
Greenwich LifeSciences, Inc. reached $158.07 on 2020-12-09. The 52-week high is $34.10. Current 1-year return of +121.7% places the stock closer to historical peaks.
Where can I download GLSI historical price data?
This page provides GLSI daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2020-2026, downloadable in CSV format.