AAP (Advance Auto Parts) Days Inventory: 237.38 (As of Mar. 2026) — 19% Below Median


AAP Advance Auto Parts Inc AAP
69 GF Score
Price $57.94
GF Value $52.12
Valuation Modestly Overvalued
! 5 Warning Signs
View Full Analysis

What is Advance Auto Parts Days Inventory?

Advance Auto Parts AAP +5.71% 69 Days Inventory is 237.38 as of Mar. 2026, which is 19% below its 10-year median of 291.56. GuruFocus rates AAP with a GF Score™ of 69/100 and a GF Value™ of $52.12 (Modestly Overvalued). The stock has 5 warning signs investors should review. Among 1,297 Vehicles & Parts companies, Advance Auto Parts ranks worse than 95.61% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Advance Auto Parts's Average Total Inventories for the three months ended in Mar. 2026 was $3,731 Mil. Advance Auto Parts's Cost of Goods Sold for the three months ended in Mar. 2026 was $1,434 Mil. Hence, Advance Auto Parts's Days Inventory for the three months ended in Mar. 2026 was 237.38.

The historical rank and industry rank for Advance Auto Parts's Days Inventory or its related term are showing as below:

AAP' s Days Inventory Range Over the Past 10 Years
Min: 240.94   Med: 291.56   Max: 354.73
Current: 280.84

During the past 13 years, Advance Auto Parts's highest Days Inventory was 354.73. The lowest was 240.94. And the median was 291.56.

AAP's Days Inventory is ranked worse than
95.61% of 1297 companies
in the Vehicles & Parts industry
Industry Median: 80.74 vs AAP: 280.84

Advance Auto Parts's Days Inventory increased from Mar. 2025 (227.29) to Mar. 2026 (237.38). It might indicate that Advance Auto Parts's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Advance Auto Parts's Inventory Turnover for the three months ended in Mar. 2026 was 0.38.

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. Advance Auto Parts's Inventory-to-Revenue for the three months ended in Mar. 2026 was 1.43.


Advance Auto Parts  (NYSE:AAP) 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.

Advance Auto Parts'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.

Advance Auto Parts'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.


Advance Auto Parts Days Inventory Related Terms


Advance Auto Parts Days Inventory Historical Data

* Premium members only.

The historical data trend for Advance Auto Parts'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.

Advance Auto Parts Days Inventory Chart

Advance Auto Parts 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 276.34 354.73 299.90 240.94 272.10

Advance Auto Parts 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 227.29 298.13 291.76 303.34 237.38

AAP vs DORM, ATMU, DAN: Days Inventory Comparison

For the Auto Parts subindustry, Advance Auto Parts'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.


Advance Auto Parts Days Inventory vs Vehicles & Parts Industry

For the Vehicles & Parts industry and Consumer Cyclical sector, Advance Auto Parts's Days Inventory distribution charts can be found below:

* The bar in red indicates where Advance Auto Parts's Days Inventory falls into.


AAP
69GF Score
Advance Auto Parts Inc AAP
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Advance Auto Parts Days Inventory Calculation

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

Advance Auto Parts'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
=( (3612 + 3646) / 2 ) / 4868*365
=3629 / 4868*365
=272.10

Advance Auto Parts'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
=( (3646 + 3815) / 2 ) / 1434*365 / 4
=3730.5 / 1434*365 / 4
=237.38

* 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 237.38 mean?
Advance Auto Parts (AAP) has a Days Inventory of 237.38 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Advance Auto Parts and its competitors. This is 19% below median its historical median of 291.56. Over the past decade, Advance Auto Parts' Days Inventory has ranged from 240.94 to 354.73. According to the industry distribution chart, Advance Auto Parts ranks #1240 out of 1297 companies in the Vehicles & Parts industry, placing it in the top 95.6%.
Is Advance Auto Parts' Days Inventory too high?
Advance Auto Parts' current Days Inventory of 237.38 is 19% below median its 10-year median of 291.56. Over the past 10 years, this metric has ranged from a low of 240.94 to a high of 354.73. The Vehicles & Parts industry median Days Inventory is 80.74. Advance Auto Parts' value of 237.38 is 194% above this industry median. Based on the distribution chart, Advance Auto Parts ranks #1240 out of 1297 companies in the Vehicles & Parts industry, which is in the bottom quartile relative to peers. Overall, Advance Auto Parts has a GF Score™ of 69/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Advance Auto Parts' Days Inventory compare to DORM and ATMU?
According to the Vehicles & Parts industry distribution chart, Advance Auto Parts ranks #1240 out of 1297 companies for Days Inventory. This places Advance Auto Parts in the lower half of its industry. The industry median Days Inventory is 80.74. Advance Auto Parts' value of 237.38 is 194% above this benchmark. Historically, Advance Auto Parts' own Days Inventory has ranged from 240.94 to 354.73 over the past decade. While the company's 10-year median is 291.56 vs. the industry median of 80.74, Advance Auto Parts 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 Vehicles & Parts company?
The median Days Inventory among Vehicles & Parts companies is 80.74, based on 1,297 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. Advance Auto Parts's current Days Inventory of 237.38 is 194% 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 Advance Auto Parts and its competitors. For the Vehicles & Parts industry, the median Days Inventory is 80.74 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Advance Auto Parts's current Days Inventory is 237.38, which is 19% below median its own 10-year median of 291.56. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Advance Auto Parts stock overvalued right now?
Based on GuruFocus' analysis, Advance Auto Parts (AAP) is currently considered Modestly Overvalued. The stock's GF Value™ is $52.12, compared to a current price of $57.94 — trading 11.2% above its estimated fair value. The current Days Inventory is 237.38, which is 19% below median its 10-year median of 291.56 and 194% above the Vehicles & Parts industry median of 80.74. Advance Auto Parts' overall GF Score™ is 69/100 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 Advance Auto Parts (AAP), the current Days Inventory is 237.38 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 Advance Auto Parts (AAP) Overvalued in 2026?

Based on GuruFocus' analysis, Advance Auto Parts stock appears to be overvalued. The current stock price of $57.94 is trading 11.2% above its estimated GF Value™ of $52.12. GuruFocus considers Advance Auto Parts to be Modestly Overvalued.

Key valuation signals for AAP:

  • Days Inventory: 237.38 (19% below median its 10-year median of 291.56)
  • GF Value™: $52.12 vs. price of $57.94 (11.2% above fair value)
  • GF Score™: 69/100 with 5 warning signs
  • Industry Position: 194% above the Vehicles & Parts median (#1240 of 1297)

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


Advance Auto Parts Business Description

Address 4200 Six Forks Road, Raleigh, NC, USA, 27609
Advance Auto Parts is a leading auto-parts retailer in North America with more than 4,000 store and branch locations. About half of the firm's sales are geared toward the professional channel, with the remaining sales in the do-it-yourself market. Through its vast store footprint and distribution network, Advance manages thousands of stock-keeping units for various vehicle makes and models. The retailer primarily competes on inventory availability and service speed, making the operating efficiency of its hub-and-spoke distribution model critical to meeting customer needs.
69GF Score

Get the complete analysis for AAP

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

$57.94
Price
$52.12
GF Value