Delta Air Lines (BSP:DEAI34) Defensive Interval Ratio

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

BSP:DEAI34 Delta Air Lines Inc BSP:DEAI34
65 GF Score
Price R$447.39
GF Value R$299.88
Valuation Significantly Overvalued
! 7 Warning Signs
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What is Delta Air Lines Defensive Interval Ratio?

BSP:DEAI34
65GF Score
Delta Air Lines Inc BSP:DEAI34
Defensive Interval Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Is Delta Air Lines (BSP:DEAI34) Overvalued in 2026?

Based on GuruFocus' analysis, Delta Air Lines stock appears to be overvalued. The current stock price of R$447.39 is trading 49.2% above its estimated GF Value™ of R$299.88. GuruFocus considers Delta Air Lines to be Significantly Overvalued.

Key valuation signals for BSP:DEAI34:

  • Defensive Interval Ratio:
  • GF Value™: R$299.88 vs. price of R$447.39 (49.2% above fair value)
  • GF Score™: 65/100 with 7 warning signs

No single metric tells the full story. See the BSP:DEAI34 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Delta Air Lines Business Description

Address Post Office Box 20706, Atlanta, GA, USA, 30320-6001
Atlanta-based Delta Air Lines is one of the world's largest airlines, with a network of over 300 destinations in more than 50 countries. Delta operates a hub-and-spoke network, where it gathers and distributes passengers across the globe through its biggest hubs in Atlanta, New York, Salt Lake City, Detroit, Seattle, and Minneapolis-St. Paul. Delta has historically earned most of its international revenue and profits from flying passengers over the Atlantic Ocean.
65GF Score

Get the complete analysis for BSP:DEAI34

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

R$447.39
Price
R$299.88
GF Value