Rocket Lab USARKLBW 71 Days Inventory is 125.82 as of Mar. 2026, which is 22% below its 10-year median of 161.16. GuruFocus rates RKLBW with a GF Score™ of 71/100. The stock has 1 warning sign investors should review. Among 326 Aerospace & Defense companies, Rocket Lab USA ranks better than 55.83% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Rocket Lab USA's Average Total Inventories for the
three
months ended in Mar. 2026 was $170.78 Mil. Rocket Lab USA's Cost of Goods Sold for the
three
months ended in Mar. 2026 was $123.86 Mil.
Hence, Rocket Lab USA's Days Inventory for the
three
months ended in Mar. 2026 was 125.82.
The historical rank and industry rank for Rocket Lab USA's Days Inventory or its related term are showing as below:
RKLBW'
s Days Inventory Range Over the Past 10 Years
Min: 125.69 Med: 161.16 Max: 210.7
Current: 125.69
During the past 6 years, Rocket Lab USA's highest Days Inventory was 210.70. The lowest was 125.69. And the median was 161.16.
RKLBW's Days Inventory is ranked better than 55.83% of 326
companies
in the Aerospace & Defense industry
Industry Median: 141.34
vs RKLBW: 125.69
Rocket Lab USA's Days Inventory
declined
from Mar. 2025 (127.83) to Mar. 2026 (125.82).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Rocket Lab USA's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.73.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Rocket Lab USA's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.85.
Rocket Lab USA (NAS:RKLBW) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Rocket Lab USA's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Rocket Lab USA's Inventory to Revenue for the
three
months ended in Mar. 2026 is calculated as
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Rocket Lab USA Days Inventory Related Terms
Rocket Lab USA Days Inventory Historical Data
* Premium members only.
The historical data trend for Rocket Lab USA's Days Inventory can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
RKLBW vs LHX, HEI.A, AXON: Days Inventory Comparison
For the Aerospace & Defense subindustry, Rocket Lab USA's Days Inventory, along with its competitors' market caps and Days Inventory data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Rocket Lab USA Days Inventory vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Rocket Lab USA's Days Inventory distribution charts can be found below:
* The bar in red indicates where Rocket Lab USA's Days Inventory falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Rocket Lab USA (RKLBW) has a Days Inventory of 125.82 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Rocket Lab USA and its competitors. This is 22% below median its historical median of 161.16. Over the past decade, Rocket Lab USA's Days Inventory has ranged from 125.69 to 210.70. According to the industry distribution chart, Rocket Lab USA ranks #144 out of 326 companies in the Aerospace & Defense industry, placing it in the top 44.2%.
Is Rocket Lab USA's Days Inventory too high?
Rocket Lab USA's current Days Inventory of 125.82 is 22% below median its 10-year median of 161.16. Over the past 10 years, this metric has ranged from a low of 125.69 to a high of 210.70. The Aerospace & Defense industry median Days Inventory is 141.34. Rocket Lab USA's value of 125.82 is 11% below this industry median. Based on the distribution chart, Rocket Lab USA ranks #144 out of 326 companies in the Aerospace & Defense industry, which is above the industry midpoint. Overall, Rocket Lab USA has a GF Score™ of 71/100, reflecting its overall financial health beyond just this single metric.
How does Rocket Lab USA's Days Inventory compare to LHX and HEI.A?
According to the Aerospace & Defense industry distribution chart, Rocket Lab USA ranks #144 out of 326 companies for Days Inventory. This puts Rocket Lab USA in the upper half of its industry. The industry median Days Inventory is 141.34. Rocket Lab USA's value of 125.82 is 11% below this benchmark. Historically, Rocket Lab USA's own Days Inventory has ranged from 125.69 to 210.70 over the past decade. While the company's 10-year median is 161.16 vs. the industry median of 141.34, Rocket Lab USA has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Days Inventory for an Aerospace & Defense company?
The median Days Inventory among Aerospace & Defense companies is 141.34, based on 326 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Rocket Lab USA's current Days Inventory of 125.82 is 11% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Rocket Lab USA and its competitors. For the Aerospace & Defense industry, the median Days Inventory is 141.34 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Rocket Lab USA's current Days Inventory is 125.82, which is 22% below median its own 10-year median of 161.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rocket Lab USA stock overvalued right now?
Rocket Lab USA (RKLBW) has a current Days Inventory of 125.82. The current Days Inventory is 125.82, which is 22% below median its 10-year median of 161.16 and 11% below the Aerospace & Defense industry median of 141.34. Rocket Lab USA's overall GF Score™ is 71/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Rocket Lab USA (RKLBW), the current Days Inventory is 125.82 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Rocket Lab Corp is engaged in space, building rockets, and spacecraft. It provides end-to-end mission services that provide frequent and reliable access to space for civil, defense, and commercial markets. It designs and manufactures the Electron and Neutron launch vehicles and Photon satellite platform. Rocket Lab's Electron launch vehicle has delivered multiple satellites to orbit for private and public sector organizations, enabling operations in national security, scientific research, space debris mitigation, Earth observation, climate monitoring, and communications. The business operates in two segments Launch Services and Space Systems. Geographically it serves Japan, and rest of the world and earns key revenue from the United States.
71GF Score
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