Northrop Grumman (NOC): Analyzing the -19% Drop Over the Past 30 Days
Key Takeaways
- NOC stock declined -19% over the past 30 days, driven primarily by a post-earnings selloff despite beating Q1 estimates, due to concerns over cash burn and a Space Systems segment charge.
- Over the past quarter, the stock is down -20%, reflecting a peak near $774 in early March followed by steady declines amid sector pressures and execution risks.
- Key drivers include Q1 cash usage of $1.8 billion in free cash flow, a $71 million unfavorable adjustment in Space Systems on GEM 63XL, and higher capital expenditures for B-21 ramp-up.
- Strong backlog of $96 billion and reaffirmed 2026 guidance provide support, but investor focus on near-term cash flow shortfalls outweighed positives.
- Defense sector sentiment and analyst target adjustments contributed to the downward price movement.
Understanding Northrop Grumman's Position in Aerospace and Defense
Northrop Grumman Corporation (NOC) stands as a leading global aerospace and defense technology company, specializing in advanced aircraft, spacecraft, missile systems, and cybersecurity solutions. Its core business model revolves around long-term government contracts, particularly with the U.S. Department of Defense, focusing on high-priority programs like the B-21 Raider bomber and Sentinel intercontinental ballistic missile (ICBM) modernization.
In the aerospace and defense industry, Northrop Grumman holds a strong competitive position as a prime contractor for mission-critical systems, benefiting from a record $96 billion backlog that underscores sustained demand. This exposure to stable, multi-year contracts explains resilience in stock fundamentals but also vulnerability to program execution risks and cash flow timing, which influenced recent price movement amid heightened scrutiny on profitability metrics. From what I see, this backlog remains a key pillar of stability even as near-term challenges emerge.
NOC Stock Performance: Breaking Down the Last 30 Days and Quarter
Over the last 30 days, Northrop Grumman (NOC) stock fell approximately -19%, dropping from around $680 to $549. The movement was volatile and trend-driven downward, with a sharp plunge following the April 21 Q1 earnings release, accelerating from $640 to below $580 within days, before stabilizing in a lower range.
For the past quarter, the stock declined -20%, from about $678 on February 11 to the current $549 level. Performance featured an early peak above $770 in early March, followed by a prolonged range-bound decline punctuated by earnings volatility, reflecting broader sector rotation and company-specific concerns. I also checked this using Tickeron’s AI Screener to see how NOC compares to others in the industry, and the relative weakness stands out clearly.
Key Factors Behind NOC's -19% Decline in the Last 30 Days
The primary catalyst for NOC's -19% drop was the market's reaction to Q1 2026 earnings on April 21. Despite revenue of $9.88 billion (up 4.4% year-over-year, beating estimates by 1.2%) and adjusted EPS of $6.14 (above consensus by 1.3%), shares sold off sharply due to higher-than-expected cash burn—free cash flow usage of $1.82 billion—and a $71 million unfavorable earnings adjustment (EAC, or estimate-at-completion) in the Space Systems segment related to a GEM 63XL launch anomaly.
Investors fixated on these negatives, viewing them as signals of elevated capital expenditures (capex raised to $1.85 billion for B-21 production ramp) and risks in fixed-price development contracts like Sentinel. A broader defense sector pullback amplified the decline, as peers such as RTX and LMT faced similar scrutiny on margins and execution. While net awards of $9.8 billion grew backlog to $96 billion, sentiment shifted negatively, overriding positives like Aeronautics strength. In my view, this highlights how execution details can overshadow solid top-line results.
What Shaped NOC's -20% Quarterly Performance
The broader three-month -20% decline stemmed from a combination of peaking valuations after early-year gains, sector headwinds, and accumulating concerns over program costs. NOC hit a 52-week high near $774 in early March amid optimism over defense budget increases and contract wins like the $488 million F-16 radar support deal, but reversed as macroeconomic factors—such as interest rate pressures impacting capex-heavy firms—took hold.
Key influences included Q4 2025 strength (revenue up 10%, EPS up 13%) giving way to Q1 cash flow worries, with institutional investors rotating out amid high multiples (trading above 17x earnings). Industry developments like rising global conflicts boosted demand for munitions and missile defense, yet competitive positioning in capital-intensive programs exposed NOC to EAC risks. Overall, execution delays and unchanged full-year guidance despite beats had the strongest cumulative impact, leading to derating. One thing that stands out is the shift from early optimism to more cautious positioning.
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Looking Ahead: Key Drivers for NOC Stock
Investors should monitor upcoming Q2 earnings for progress on cash flow ramp-up and B-21 production milestones, including the Air Force agreement to increase output by 25%. Industry trends like defense budget debates, missile demand amid global tensions, and Sentinel program design reviews could sway sentiment.
The macro environment, including interest rates affecting capex funding and inflation on contracts, remains critical. Strategic developments such as new awards in Space Systems (e.g., GEM-63 motors) and supplier performance awards signal execution health. Risks include further EACs on fixed-price programs, while catalysts like backlog conversion and free cash flow of $3.1-3.5 billion offer upside potential. This is important because near-term execution will likely dictate the next move.
Disclaimer
The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full Disclaimers and Limitations.
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NOC's RSI Oscillator leaves overbought zone
The 10-day RSI Oscillator for NOC moved out of overbought territory on August 17, 2026. This could be a sign that the stock is shifting from an upward trend to a downward trend. Traders may want to look at selling the stock or buying put options. Tickeron's A.I.dvisor looked at 36 instances where the indicator moved out of the overbought zone. In of the 36 cases the stock moved lower in the days that followed. This puts the odds of a move down at .
Technical Analysis (Indicators)
Bearish Trend Analysis
The Momentum Indicator moved below the 0 level on August 20, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on NOC as a result. In of 72 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are .
The Moving Average Convergence Divergence Histogram (MACD) for NOC turned negative on August 21, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 47 similar instances when the indicator turned negative. In of the 47 cases the stock turned lower in the days that followed. This puts the odds of success at .
Following a 3-day decline, the stock is projected to fall further. Considering past instances where NOC declined for three days, the price rose further in of 62 cases within the following month. The odds of a continued downward trend are .
Bullish Trend Analysis
The Stochastic Oscillator is in the oversold zone. Keep an eye out for a move up in the foreseeable future.
NOC moved above its 50-day moving average on July 31, 2026 date and that indicates a change from a downward trend to an upward trend.
The 10-day moving average for NOC crossed bullishly above the 50-day moving average on August 03, 2026. This indicates that the trend has shifted higher and could be considered a buy signal. In of 18 past instances when the 10-day crossed above the 50-day, the stock continued to move higher over the following month. The odds of a continued upward trend are .
Following a 3-day Advance, the price is estimated to grow further. Considering data from situations where NOC advanced for three days, in of 327 cases, the price rose further within the following month. The odds of a continued upward trend are .
The Aroon Indicator entered an Uptrend today. In of 242 cases where NOC Aroon's Indicator entered an Uptrend, the price rose further within the following month. The odds of a continued Uptrend are .
Fundamental Analysis (Ratings)
The Tickeron SMR rating for this company is (best 1 - 100 worst), indicating strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Profit vs. Risk Rating rating for this company is (best 1 - 100 worst), indicating well-balanced risk and returns. The average Profit vs. Risk Rating rating for the industry is 74, placing this stock slightly better than average.
The Tickeron Valuation Rating of (best 1 - 100 worst) indicates that the company is fair valued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (4.376) is normal, around the industry mean (7.037). P/E Ratio (17.515) is within average values for comparable stocks, (60.208). Projected Growth (PEG Ratio) (3.806) is also within normal values, averaging (8.077). Dividend Yield (0.017) settles around the average of (0.017) among similar stocks. P/S Ratio (1.834) is also within normal values, averaging (20.174).
The Tickeron Price Growth Rating for this company is (best 1 - 100 worst), indicating fairly steady price growth. NOC’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron PE Growth Rating for this company is (best 1 - 100 worst), pointing to worse than average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
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General Information
a provider of innovative systems, products and solutions in aerospace, electronics and information systems
Industry AerospaceDefense
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