Enphase Energy (XSWX:ENPH) Days Inventory: 145.56 (As of Mar. 2026) — 260% Above Median

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XSWX:ENPH Enphase Energy Inc XSWX:ENPH
76 GF Score
Price CHF36.37
GF Value CHF50.37
! 5 Warning Signs
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What is Enphase Energy Days Inventory?

Enphase Energy XSWX:ENPH 76 Days Inventory is 145.56 as of Mar. 2026, which is 260% above its 10-year median of 40.38. GuruFocus rates XSWX:ENPH with a GF Score™ of 76/100 and a GF Value™ of CHF50.37. The stock has 5 warning signs investors should review. Among 982 Semiconductors companies, Enphase Energy ranks better than 55.8% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Enphase Energy's Average Total Inventories for the three months ended in Mar. 2026 was CHF229 Mil. Enphase Energy's Cost of Goods Sold for the three months ended in Mar. 2026 was CHF144 Mil. Hence, Enphase Energy's Days Inventory for the three months ended in Mar. 2026 was 145.56.

The historical rank and industry rank for Enphase Energy's Days Inventory or its related term are showing as below:

XSWX:ENPH' s Days Inventory Range Over the Past 10 Years
Min: 21.88   Med: 40.38   Max: 105.2
Current: 101.41

During the past 13 years, Enphase Energy's highest Days Inventory was 105.20. The lowest was 21.88. And the median was 40.38.

XSWX:ENPH's Days Inventory is ranked better than
55.8% of 982 companies
in the Semiconductors industry
Industry Median: 112.2 vs XSWX:ENPH: 101.41

Enphase Energy's Days Inventory increased from Mar. 2025 (75.42) to Mar. 2026 (145.56). It might indicate that Enphase Energy's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Enphase Energy's Inventory Turnover for the three months ended in Mar. 2026 was 0.63.

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. Enphase Energy's Inventory-to-Revenue for the three months ended in Mar. 2026 was 1.03.


Enphase Energy  (XSWX:ENPH) 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.

Enphase Energy'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.

Enphase Energy'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.


Enphase Energy Days Inventory Related Terms


Enphase Energy Days Inventory Historical Data

* Premium members only.

The historical data trend for Enphase Energy'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.

Enphase Energy Days Inventory Chart

Enphase Energy Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 25.29 30.04 55.51 96.86 109.75

Enphase Energy Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Days Inventory Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 75.42 78.03 77.83 113.65 145.56

XSWX:ENPH vs RUN, SEDG, SHLS: Days Inventory Comparison

For the Solar subindustry, Enphase Energy'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.


Enphase Energy Days Inventory vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Enphase Energy's Days Inventory distribution charts can be found below:

* The bar in red indicates where Enphase Energy's Days Inventory falls into.


XSWX:ENPH
76GF Score
Enphase Energy Inc XSWX:ENPH
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Enphase Energy Days Inventory Calculation

Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Enphase Energy's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (147.118 + 229.545) / 2 ) / 626.349*365
=188.3315 / 626.349*365
=109.75

Enphase Energy's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (229.545 + 228.869) / 2 ) / 143.688*365 / 4
=229.207 / 143.688*365 / 4
=145.56

* 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.

Frequently Asked Questions Learn more about Days Inventory →
What does a Days Inventory of 145.56 mean?
Enphase Energy (XSWX:ENPH) has a Days Inventory of 145.56 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Enphase Energy and its competitors. This is 260% above median its historical median of 40.38. Over the past decade, Enphase Energy's Days Inventory has ranged from 21.88 to 105.20. According to the industry distribution chart, Enphase Energy ranks #434 out of 982 companies in the Semiconductors industry, placing it in the top 44.2%.
Is Enphase Energy's Days Inventory too high?
Enphase Energy's current Days Inventory of 145.56 is 260% above median its 10-year median of 40.38. Over the past 10 years, this metric has ranged from a low of 21.88 to a high of 105.20. The Semiconductors industry median Days Inventory is 112.20. Enphase Energy's value of 145.56 is 29.7% above this industry median. Based on the distribution chart, Enphase Energy ranks #434 out of 982 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Enphase Energy has a GF Score™ of 76/100, reflecting its overall financial health beyond just this single metric.
How does Enphase Energy's Days Inventory compare to RUN and SEDG?
According to the Semiconductors industry distribution chart, Enphase Energy ranks #434 out of 982 companies for Days Inventory. This puts Enphase Energy in the upper half of its industry. The industry median Days Inventory is 112.20. Enphase Energy's value of 145.56 is 29.7% above this benchmark. Historically, Enphase Energy's own Days Inventory has ranged from 21.88 to 105.20 over the past decade. While the company's 10-year median is 40.38 vs. the industry median of 112.20, Enphase Energy 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 Semiconductors company?
The median Days Inventory among Semiconductors companies is 112.20, based on 982 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. Enphase Energy's current Days Inventory of 145.56 is 29.7% 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 Enphase Energy and its competitors. For the Semiconductors industry, the median Days Inventory is 112.20 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Enphase Energy's current Days Inventory is 145.56, which is 260% above median its own 10-year median of 40.38. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Enphase Energy stock overvalued right now?
Enphase Energy (XSWX:ENPH) has a current Days Inventory of 145.56. The stock's GF Value™ is CHF50.37, compared to a current price of CHF36.37 — trading 27.8% below its estimated fair value. The current Days Inventory is 145.56, which is 260% above median its 10-year median of 40.38 and 29.7% above the Semiconductors industry median of 112.20. Enphase Energy's overall GF Score™ is 76/100 with 5 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 Enphase Energy (XSWX:ENPH), the current Days Inventory is 145.56 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 Enphase Energy (XSWX:ENPH) Overvalued in 2026?

Based on GuruFocus' analysis, Enphase Energy stock appears to be undervalued. The current stock price of CHF36.37 is trading 27.8% below its estimated GF Value™ of CHF50.37.

Key valuation signals for XSWX:ENPH:

  • Days Inventory: 145.56 (260% above median its 10-year median of 40.38)
  • GF Value™: CHF50.37 vs. price of CHF36.37 (27.8% below fair value)
  • GF Score™: 76/100 with 5 warning signs
  • Industry Position: 29.7% above the Semiconductors median (#434 of 982)

No single metric tells the full story. See the XSWX:ENPH stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Enphase Energy Business Description

Address 47281 Bayside Parkway, Fremont, CA, USA, 94538
Enphase Energy is a global energy technology company. It delivers smart, easy-to-use solutions that manage solar generation, storage, and communication on one platform. The company's microinverter technology primarily serves the rooftop solar market and produces a fully integrated solar-plus-storage solution. Enphase derives a majority of revenue from the United States.
76GF Score

Get the complete analysis for XSWX:ENPH

Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

CHF36.37
Price
CHF50.37
GF Value