Cytosorbents Corporation (CTSO) Stock Price History
Historical prices from 2011 to 2026
Loading 10-year price history...
CTSO Historical Performance
Short-Term Returns
CTSO Stock Price Trajectory (2011–2026)
As of May 8, 2026, Cytosorbents Corporation (CTSO) trades at $0.61, representing a -31.0% return over the past year. The stock has delivered a -92.8% total return over five years (-40.8% 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 -99.4%, currently trading 21% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers NVCR (+1.1% 1Y), MASI (+18.9% 1Y), and ICUI (-8.5% 1Y), CTSO has underperformed the peer group average. Compare CTSO vs NVCR →
CTSO Historical Price Data (2025–2026)
Showing 30 of 3,650 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 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% |
| 2026-04-08 | 0.65 | 0.66 | 0.62 | 0.62 | 126K | +1.67% |
| 2026-04-07 | 0.61 | 0.63 | 0.58 | 0.61 | 85K | +3.37% |
| 2026-04-06 | 0.58 | 0.64 | 0.58 | 0.59 | 72K | +1.20% |
| 2026-04-02 | 0.59 | 0.59 | 0.53 | 0.58 | 253K | +6.52% |
| 2026-04-01 | 0.60 | 0.60 | 0.54 | 0.55 | 76K | -3.36% |
| 2026-03-31 | 0.57 | 0.60 | 0.53 | 0.57 | 109K | +1.14% |
| 2026-03-30 | 0.59 | 0.60 | 0.53 | 0.56 | 246K | -5.58% |
| 2026-03-27 | 0.62 | 0.62 | 0.55 | 0.59 | 159K | -1.18% |
| 2026-03-26 | 0.61 | 0.64 | 0.50 | 0.60 | 175K | -10.61% |
See CTSO's True Return
Price is only half the story. See total return with reinvested dividends.
Launch CalculatorIs CTSO Undervalued?
DCF intrinsic value, peer multiples, and analyst estimates — see what the stock is really worth.
View ValuationCompare CTSO vs DBVT
Side-by-side business, growth, and profitability comparison vs DBV Technologies S.A..
Start ComparisonCTSO — Frequently Asked Questions
Quick answers to the most common questions about buying CTSO stock.
How has CTSO stock performed recently?
CTSO declined -31.0% over the past year, below its 5-year annualized CAGR of -40.8%. 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 -31.0% 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 2011-2026, downloadable in CSV format.