Cytosorbents Corporation (CTSO) Stock Price History
Historical prices from 2006 to 2026
- 1M
- -8.5%
- 3M
- -32.6%
- YTD
- -33.2%
- 1Y
- -62.2%
- 3Y
- -50.2%
- 5Y
- -43.6%
Loading 10-year price history...
CTSO Historical Performance
CTSO Annual Returns
Year-by-year price performance · 2006–2026
- 2006 annual price return
- -45.9%
- 2007 annual price return
- -87.4%
- 2008 annual price return
- -66.7%
- 2009 annual price return
- +137.5%
- 2010 annual price return
- -42.9%
- 2011 annual price return
- +18.5%
- 2012 annual price return
- -23.1%
- 2013 annual price return
- -3.8%
- 2014 annual price return
- +213.4%
- 2015 annual price return
- -49.4%
- 2016 annual price return
- -4.0%
- 2017 annual price return
- +15.0%
- 2018 annual price return
- +23.4%
- 2019 annual price return
- -51.0%
- 2020 annual price return
- +99.3%
- 2021 annual price return
- -49.9%
- 2022 annual price return
- -63.4%
- 2023 annual price return
- -39.0%
- 2024 annual price return
- -15.0%
- 2025 annual price return
- -30.5%
- 2026 annual price return
- +14.7%
CTSO Stock Price Trajectory (2006–2026)
As of June 22, 2026, Cytosorbents Corporation (CTSO) trades at $0.44, representing a -62.2% return over the past year. The stock has delivered a -94.3% total return over five years (-43.6% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $98.75 on August 10, 2006. From this peak, CTSO has corrected -99.6%, currently trading 37% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers NVCR (-15.0% 1Y), MASI (+10.6% 1Y), and ICUI (+9.2% 1Y), CTSO has underperformed the peer group average. Compare CTSO vs NVCR →
CTSO Historical Price Data · from 2006
Rows 1–50 of 4,998| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-18 | 0.47 | 0.50 | 0.44 | 0.44 | 132K | -4.74% |
| 2026-06-17 | 0.50 | 0.50 | 0.46 | 0.46 | 189K | -11.33% |
| 2026-06-16 | 0.49 | 0.60 | 0.49 | 0.52 | 1.62M | +20.12% |
| 2026-06-15 | 0.40 | 0.45 | 0.38 | 0.43 | 226K | +8.05% |
| 2026-06-12 | 0.39 | 0.41 | 0.38 | 0.40 | 440K | +3.01% |
| 2026-06-11 | 0.43 | 0.43 | 0.37 | 0.39 | 434K | -5.57% |
| 2026-06-10 | 0.42 | 0.44 | 0.40 | 0.41 | 77K | -2.72% |
| 2026-06-09 | 0.42 | 0.47 | 0.42 | 0.42 | 94K | +2.00% |
| 2026-06-08 | 0.48 | 0.48 | 0.41 | 0.41 | 43K | -9.76% |
| 2026-06-05 | 0.48 | 0.52 | 0.45 | 0.46 | 78K | -5.94% |
| 2026-06-04 | 0.46 | 0.49 | 0.45 | 0.49 | 263K | +3.83% |
| 2026-06-03 | 0.48 | 0.52 | 0.45 | 0.47 | 1.15M | -2.08% |
| 2026-06-02 | 0.48 | 0.49 | 0.45 | 0.48 | 31K | +2.59% |
| 2026-06-01 | 0.47 | 0.53 | 0.45 | 0.47 | 66K | -4.69% |
| 2026-05-29 | 0.49 | 0.50 | 0.48 | 0.49 | 67K | -0.99% |
| 2026-05-28 | 0.50 | 0.52 | 0.48 | 0.50 | 139K | +0.71% |
| 2026-05-27 | 0.47 | 0.49 | 0.44 | 0.49 | 147K | +3.64% |
| 2026-05-26 | 0.47 | 0.48 | 0.45 | 0.47 | 100K | +3.08% |
| 2026-05-22 | 0.46 | 0.47 | 0.44 | 0.46 | 0 | +0.17% |
| 2026-05-21 | 0.45 | 0.47 | 0.43 | 0.46 | 136K | -2.09% |
| 2026-05-20 | 0.46 | 0.48 | 0.45 | 0.47 | 89K | -0.57% |
| 2026-05-19 | 0.47 | 0.50 | 0.46 | 0.47 | 38K | -1.36% |
| 2026-05-18 | 0.49 | 0.53 | 0.45 | 0.48 | 172K | -3.74% |
| 2026-05-15 | 0.53 | 0.55 | 0.49 | 0.50 | 190K | -6.29% |
| 2026-05-14 | 0.58 | 0.60 | 0.51 | 0.53 | 301K | -10.29% |
| 2026-05-13 | 0.61 | 0.61 | 0.57 | 0.59 | 89K | +1.02% |
| 2026-05-12 | 0.62 | 0.63 | 0.58 | 0.59 | 37K | -7.00% |
| 2026-05-11 | 0.61 | 0.63 | 0.61 | 0.63 | 63K | +3.45% |
| 2026-05-08 | 0.63 | 0.63 | 0.60 | 0.61 | 41K | -0.08% |
| 2026-05-07 | 0.58 | 0.63 | 0.57 | 0.61 | 163K | +6.93% |
| 2026-05-06 | 0.61 | 0.62 | 0.57 | 0.57 | 115K | -8.05% |
| 2026-05-05 | 0.62 | 0.62 | 0.60 | 0.62 | 29K | -1.85% |
| 2026-05-04 | 0.63 | 0.65 | 0.62 | 0.63 | 25K | +2.82% |
| 2026-05-01 | 0.64 | 0.65 | 0.61 | 0.61 | 36K | +0.70% |
| 2026-04-30 | 0.62 | 0.65 | 0.61 | 0.61 | 15K | -4.04% |
| 2026-04-29 | 0.64 | 0.65 | 0.61 | 0.64 | 44K | +5.95% |
| 2026-04-28 | 0.61 | 0.64 | 0.60 | 0.60 | 32K | -1.96% |
| 2026-04-27 | 0.63 | 0.65 | 0.61 | 0.61 | 59K | -2.58% |
| 2026-04-24 | 0.64 | 0.65 | 0.61 | 0.63 | 22K | -3.04% |
| 2026-04-23 | 0.65 | 0.65 | 0.61 | 0.65 | 17K | +1.23% |
| 2026-04-22 | 0.61 | 0.65 | 0.61 | 0.64 | 29K | +3.06% |
| 2026-04-21 | 0.63 | 0.64 | 0.62 | 0.62 | 23K | -3.74% |
| 2026-04-20 | 0.69 | 0.69 | 0.63 | 0.65 | 59K | -2.26% |
| 2026-04-17 | 0.62 | 0.67 | 0.60 | 0.66 | 126K | +8.20% |
| 2026-04-16 | 0.61 | 0.63 | 0.60 | 0.61 | 52K | +3.18% |
| 2026-04-15 | 0.61 | 0.61 | 0.58 | 0.59 | 33K | +0.37% |
| 2026-04-14 | 0.59 | 0.60 | 0.57 | 0.59 | 51K | +0.67% |
| 2026-04-13 | 0.60 | 0.62 | 0.57 | 0.59 | 80K | -4.08% |
| 2026-04-10 | 0.62 | 0.62 | 0.60 | 0.61 | 42K | +0.84% |
| 2026-04-09 | 0.62 | 0.62 | 0.60 | 0.60 | 32K | -2.45% |
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.
CTSO — Frequently Asked Questions
Quick answers to the most common questions about buying CTSO stock.
How has CTSO stock performed recently?
CTSO declined -62.2% over the past year, below its 5-year annualized CAGR of -43.6%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is CTSO's all-time high price?
Cytosorbents Corporation reached $98.75 on 2006-08-10. The 52-week high is $1.39. Current 1-year return of -62.2% places the stock further from historical peaks.
Where can I download CTSO historical price data?
This page provides CTSO daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2006-2026, downloadable in CSV format.