Northrop Grumman (NOC) Drops -17% in the Past 30 Days: Breaking Down the Key Drivers
Key Takeaways
- NOC declined approximately -17% over the past 30 days, primarily due to a sharp selloff following Q1 2026 earnings despite beating estimates, driven by concerns over cash burn and a Space Systems charge.
- Over the past quarter, the stock fell around -20%, reflecting a retreat from March highs amid broader defense sector pressures and uncertainty on program profitability.
- Strong backlog of $95.6 billion and anticipated revenue growth provide a supportive backdrop, but higher capital expenditures (capex) and fixed-price contract risks weighed on sentiment.
- Sector performance in aerospace and defense showed mixed results, with NOC underperforming peers amid post-earnings reactions.
- Macro trends like rising U.S. defense budgets offer tailwinds, though near-term cash flow challenges dominated.
Understanding Northrop Grumman (NOC) and Its Portfolio
Northrop Grumman Corporation (NOC) stands out as a leading aerospace and defense technology company, offering investors targeted exposure to critical U.S. national security programs. The company operates across four key segments: Aeronautics Systems (including advanced aircraft like the B-21 Raider), Defense Systems (missile defense and weapons), Mission Systems (cyber, radar, and intelligence solutions), and Space Systems (satellites and launch systems). This diversified structure, backed by a substantial $95.6 billion backlog, provides strong long-term revenue visibility. From what I see, NOC's performance is closely linked to government contracts and defense spending trends, which helps explain the recent volatility as investors balanced solid earnings against execution risks in programs like the Sentinel missile.
NOC Price Action: 30-Day and Quarterly Review
In the last 30 days from April 1 to April 30, 2026, NOC's price fell from $697 to $579.48, marking a -17% decline. The drop was volatile and downward-trending, with a particularly sharp post-earnings plunge between April 21-23.
Over the past quarter, from late February to April 30, 2026, the stock declined from around $724 to $579.48, down -20%. It stayed range-bound initially before a steeper correction, mirroring broader market shifts away from defense stocks.
I also looked at this performance through Tickeron’s AI Screener to compare NOC against sector peers.
Key Factors Behind NOC's 30-Day Decline
The main driver of NOC's -17% drop over the last 30 days was the market's response to its Q1 2026 earnings, released around April 21. Even with revenue of $9.88 billion surpassing estimates by 1.2% and reaffirmed full-year guidance, shares fell sharply due to higher-than-expected cash burn, increased capex, and a charge in the Space Systems segment. Investors zeroed in on free cash flow misses and risks from fixed-price development contracts, such as the Ground Based Strategic Deterrent (Sentinel). This was compounded by a wider defense sector selloff, where peers like RTX and LMT also came under pressure. In my view, NOC's focus on capital-intensive, mission-critical projects made it especially sensitive to these issues, overshadowing strengths like backlog expansion.
What Shaped NOC's Quarterly Performance
NOC's -20% drop over the quarter followed a peak near $774 in early March, with ongoing downward pressure. Contributing factors included fading momentum in defense stocks after an early surge linked to geopolitical events like the Iran conflict, which didn't hold. Company-specific challenges, such as rising costs in programs like B-21 acceleration and Sentinel, fueled doubts about profitability. While macroeconomic supports like stable interest rates and strong U.S. defense budget outlooks helped, they couldn't counter earnings concerns. Shifts in institutional positioning due to higher capex guidance added to the trend. Overall, execution risks in Space and Aeronautics segments had the most significant impact.
Leveraging Tickeron’s AI Screener in My Analysis
In my research process, I frequently turn to Tickeron’s AI Screener, an AI-powered tool for discovering stocks and ETFs. It lets me filter thousands of assets using criteria like technical patterns, fundamentals, trends, volatility, and AI signals—covering industry, market cap, indicators, price patterns, and performance metrics. This helps pinpoint trade ideas, trending names, breakouts, and opportunities far more efficiently than manual methods. I've found it particularly useful for sectors like aerospace and defense, where it highlights potential plays amid volatility. If you're scanning for similar setups, it's worth exploring.
What to Watch Next for NOC Investors
Looking ahead, keep an eye on U.S. defense budget updates, especially FY2027 funding for programs like B-21 and Sentinel. Monitor contract awards, backlog execution, and cash flow progress in coming quarters. The sector's direction will depend on geopolitical tensions and military spending. Segment performance, particularly Space Systems after the recent charge, will be key. Risks persist from fixed-price contract overruns and capex strains, but opportunities may arise from production ramps or sector recovery. This is important because it could signal a shift in sentiment.
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 disclaimer. Disclaimers and Limitations
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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