Firefly Aerospace Stock Rockets 51% With 5-Day Winning Streak
Firefly Aerospace (FLY) – an end-to-end space transportation and defense technology company – hit a 5-day winning streak, with cumulative gains over this period amounting to 51%. The company’s market cap has surged by about $1.9 Bil over the last 5 days and currently stands at $5.7 Bil.
Momentum often precedes conviction. A multi-day win streak can signal growing investor confidence or spark follow-on buying. Tracking such trends can help you ride the strength, or prepare for a well-timed entry if momentum fades.
But here is the interesting part. You are reading about this 51% move after it happened. The market has already priced in the news. To catch the next winner before the headlines, you need predictive signals, not notifications. High Quality Portfolio is based on an architecture that includes such signals.
Returns vs S&P 500
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The following table summarizes the return for FLY stock vs. the S&P 500 index over different periods, including the current streak:
| Return Period | FLY | S&P 500 |
|---|---|---|
| 1D | 2.1% | 0.1% |
| 5D (Current Streak) | 50.6% | 4.3% |
| 1M (21D) | 80.3% | -1.8% |
| 3M (63D) | 38.0% | -4.1% |
| YTD 2026 | 59.0% | -3.3% |
| 2025 | 16.4% | |
| 2024 | 23.3% | |
| 2023 | 24.2% |
Gains and Losses Streaks: S&P 500 Constituents
There are currently 69 S&P constituents with 3 days or more of consecutive gains and 33 constituents with 3 days or more of consecutive losses.
| Consecutive Days | # of Gainers | # of Losers |
|---|---|---|
| 3D | 27 | 18 |
| 4D | 5 | 13 |
| 5D | 18 | 1 |
| 6D | 18 | 1 |
| 7D or more | 1 | 0 |
| Total >=3 D | 69 | 33 |
Key Financials for Firefly Aerospace (FLY)
Last 2 Fiscal Years:
| Metric | FY2024 | FY2025 |
|---|---|---|
| Revenues | $60.8 Mil | $159.9 Mil |
| Operating Income | $-207.7 Mil | $-260.7 Mil |
| Net Income | $-231.1 Mil | $-298.3 Mil |
Last 2 Fiscal Quarters:
| Metric | 2025 FQ3 | 2025 FQ4 |
|---|---|---|
| Revenues | $30.8 Mil | $57.7 Mil |
| Operating Income | $-62.2 Mil | $-85.6 Mil |
| Net Income | $-133.4 Mil | $-41.1 Mil |
While FLY stock looks attractive given its winning streak, investing in a single stock without detailed, thorough analysis can be risky. The 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.