SIA Engineering CoSEGSF 85 Days Inventory is 28.30 as of Mar. 2026, which is 14% above its 10-year median of 24.76. GuruFocus rates SEGSF with a GF Score™ of 85/100 and a GF Value™ of $2.55. The stock has 6 warning signs investors should review. Among 796 Transportation companies, SIA Engineering Co ranks worse than 71.86% on this metric.
The historical rank and industry rank for SIA Engineering Co's Days Inventory or its related term are showing as below:
SEGSF'
s Days Inventory Range Over the Past 10 Years
Min: 17.77 Med: 24.76 Max: 46.63
Current: 24.6
During the past 13 years, SIA Engineering Co's highest Days Inventory was 46.63. The lowest was 17.77. And the median was 24.76.
SEGSF's Days Inventory is ranked worse than 71.86% of 796
companies
in the Transportation industry
Industry Median: 12.35
vs SEGSF: 24.60
SIA Engineering Co's Days Inventory
increased
from Mar. 2025 (23.52) to Mar. 2026 (28.30).
It might indicate that SIA Engineering Co's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
SIA Engineering Co's Inventory Turnover for the
six
months ended in Mar. 2026 was 6.45.
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.
SIA Engineering Co's Inventory-to-Revenue for the
six
months ended in Mar. 2026 was 0.10.
SIA Engineering Co (OTCPK:SEGSF) 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.
SIA Engineering Co's Inventory Turnover for the
six
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.
SIA Engineering Co's Inventory to Revenue for the
six
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.
SIA Engineering Co Days Inventory Related Terms
SIA Engineering Co Days Inventory Historical Data
* Premium members only.
The historical data trend for SIA Engineering Co'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.
For the Airports & Air Services subindustry, SIA Engineering Co'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.
SIA Engineering Co Days Inventory vs Transportation Industry
For the Transportation industry and Industrials sector, SIA Engineering Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where SIA Engineering Co'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.
SIA Engineering Co (SEGSF) has a Days Inventory of 28.30 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on SIA Engineering Co and its competitors. This is 14% above median its historical median of 24.76. Over the past decade, SIA Engineering Co's Days Inventory has ranged from 17.77 to 46.63. According to the industry distribution chart, SIA Engineering Co ranks #572 out of 796 companies in the Transportation industry, placing it in the top 71.9%.
Is SIA Engineering Co's Days Inventory too high?
SIA Engineering Co's current Days Inventory of 28.30 is 14% above median its 10-year median of 24.76. Over the past 10 years, this metric has ranged from a low of 17.77 to a high of 46.63. The Transportation industry median Days Inventory is 12.35. SIA Engineering Co's value of 28.30 is 129.1% above this industry median. Based on the distribution chart, SIA Engineering Co ranks #572 out of 796 companies in the Transportation industry, which is below the industry midpoint. Overall, SIA Engineering Co has a GF Score™ of 85/100, reflecting its overall financial health beyond just this single metric.
How does SIA Engineering Co's Days Inventory compare to JOBY and CAAP?
According to the Transportation industry distribution chart, SIA Engineering Co ranks #572 out of 796 companies for Days Inventory. This places SIA Engineering Co in the lower half of its industry. The industry median Days Inventory is 12.35. SIA Engineering Co's value of 28.30 is 129.1% above this benchmark. Historically, SIA Engineering Co's own Days Inventory has ranged from 17.77 to 46.63 over the past decade. While the company's 10-year median is 24.76 vs. the industry median of 12.35, SIA Engineering Co has consistently been above 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 a Transportation company?
The median Days Inventory among Transportation companies is 12.35, based on 796 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. SIA Engineering Co's current Days Inventory of 28.30 is 129.1% above 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 SIA Engineering Co and its competitors. For the Transportation industry, the median Days Inventory is 12.35 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SIA Engineering Co's current Days Inventory is 28.30, which is 14% above median its own 10-year median of 24.76. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SIA Engineering Co stock overvalued right now?
SIA Engineering Co (SEGSF) has a current Days Inventory of 28.30. The stock's GF Value™ is $2.55, compared to a current price of $2.69 — trading 5.7% above its estimated fair value. The current Days Inventory is 28.30, which is 14% above median its 10-year median of 24.76 and 129.1% above the Transportation industry median of 12.35. SIA Engineering Co's overall GF Score™ is 85/100 with 6 warning signs 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 SIA Engineering Co (SEGSF), the current Days Inventory is 28.30 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.
Is SIA Engineering Co (SEGSF) Overvalued in 2026?
Based on GuruFocus' analysis, SIA Engineering Co stock appears to be overvalued.
The current stock price of $2.69 is trading 5.7% above its estimated GF Value™ of $2.55.
Key valuation signals for SEGSF:
Days Inventory: 28.30 (14% above median its 10-year median of 24.76)
GF Value™: $2.55 vs. price of $2.69 (5.7% above fair value)
Industry Position: 129.1% above the Transportation median (#572 of 796)
No single metric tells the full story. See the SEGSF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
SIA Engineering Co Ltd is engaged in providing airline services. The activities of the company include provision of airframe maintenance, component overhaul services and inventory technical management, the provision of line maintenance and technical ground handling services and investment holdings. The company is organized into two segments: airframe/line maintenance and engine/component. The airframe and line maintenance segment provides airframe maintenance, line maintenance, and inventory technical management; and The engine and component segment provides component overhaul and engine repair and overhaul services. Geographically, the company derives its maximum revenue from East Asia region followed by Europe, West Asia and Africa, Americas, and South West Pacific.
85GF Score
Get the complete analysis for SEGSF
Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
SEGSF has been successfully added to your 
