8-Day Sell-Off Sends Aspen Aerogels Stock Down -59%
Aspen Aerogels (ASPN) stock hit day 8 of a continuous streak of days with losses, with cumulative losses over this period amounting to a -59% return. The company has lost about $358 Mil in value over the last 8 days, with its current market capitalization at about $252 Mil. The stock remains 74.2% below its value at the end of 2024. This compares with year-to-date returns of 13.4% for the S&P 500.
Aspen Aerogels endured a sharp slide, triggered by a substantial Q3 earnings miss and revenue tumbling 37.8%, further compounded by slashed Q4 guidance amid EV market headwinds and critical customer production cuts. Analyst downgrades swiftly followed.
What is the point? Sustained weakness can be more than noise. It often signals shifting sentiment or deeper concerns. A multi-day losing streak may warn of further downside, or present an opportunity to buy if fundamentals are intact. Our take: There are several things to fear in ASPN stock given its overall Weak operating performance and financial condition. In addition, keeping in mind its High valuation, we think that the stock is Unattractive (see Buy or Sell ASPN).
For quick background, ASPN provides advanced aerogel insulation products that reduce corrosion risks in energy systems and enhance performance in cold storage, refrigeration, and aerospace applications.
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Comparing ASPN Stock Returns With The S&P 500
The following table summarizes the return for ASPN stock vs. the S&P 500 index over different periods, including the current streak:
| Return Period | ASPN | S&P 500 |
|---|---|---|
| 1D | -0.6% | -0.9% |
| 8D (Current Streak) | -58.7% | -1.8% |
| 1M (21D) | -61.5% | 0.1% |
| 3M (63D) | -55.3% | 4.1% |
| YTD 2025 | -74.2% | 13.4% |
| 2024 | -24.7% | 23.3% |
| 2023 | 33.8% | 24.2% |
| 2022 | -76.3% | -19.4% |
Gains and Losses Streaks: S&P 500 Constituents
There are currently 14 S&P constituents with 3 days or more of consecutive gains and 203 constituents with 3 days or more of consecutive losses.
| Consecutive Days | # of Gainers | # of Losers |
|---|---|---|
| 3D | 6 | 139 |
| 4D | 0 | 47 |
| 5D | 3 | 10 |
| 6D | 1 | 7 |
| 7D or more | 4 | 0 |
| Total >=3 D | 14 | 203 |
Key Financials for Aspen Aerogels (ASPN)
Last 2 Fiscal Years:
| Metric | FY2023 | FY2024 |
|---|---|---|
| Revenues | $238.7 Mil | $452.7 Mil |
| Operating Income | $-49.2 Mil | $58.0 Mil |
| Net Income | $-45.8 Mil | $13.4 Mil |
Last 2 Fiscal Quarters:
| Metric | 2025 FQ2 | 2025 FQ3 |
|---|---|---|
| Revenues | $78.0 Mil | $73.0 Mil |
| Operating Income | $0.7 Mil | $-1.8 Mil |
| Net Income | $-9.1 Mil | $-6.3 Mil |
The losing streak ASPN stock is currently on doesn’t inspire much confidence among investors. In contrast, Trefis High Quality (HQ) Portfolio, with a collection of 30 stocks, has a track record of comfortably outperforming its benchmark that includes all 3 — the S&P 500, S&P mid-cap, and Russell 2000 indices. Why is that? As a group, HQ Portfolio stocks provided better returns with less risk versus the benchmark index; less of a roller-coaster ride, as evident in HQ Portfolio performance metrics.