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TransDigm Group (TDG, Aerospace & Defense) Stock Valuation & Fair Value Weak on forward returns

TransDigm Group (TDG, Aerospace & Defense) trades at a blended P/E of 26.5, about 6% above its historical normal valuation, with a forward growth estimate of 16.5% and a PEG of 1.61. Analysts' one-year estimates have been hit 64% of the time. Priced at its historical normal P/E of 25.0 on the same blended earnings, the 2026-10-02 close of $1,090.38 corresponds to about $1,030 a share. This is a valuation reference, not a price target.

DATA AS OF 2026-10-05
Blended P/E
26.5
Normal P/E
25.0
PEG
1.61
Fwd growth
16.5%
Div yield
0.0%
RSI (14)
38.5
Neutral
Technical context
  • Price $1,089.30 at the 2026-10-08 close, 0.9% below the 20-day average ($1,099.41) and 6.5% below the 50-day ($1,164.89).
  • RSI (14) at 38.5.
  • 52-week range $1,076.01 to $1,450.00: the price is 24.9% below the high and 1.2% above the low.

The Street vs SeerForecast

Wall Street's mean price target for TDG is $1,484.37 across 19 analysts, 36.3% above the current price. The average analyst rating is Buy. Our SeerForecast read of the same stock, formed without analyst targets: weak on forward returns. When the two disagree, start your digging there.

Valuation flags

Verdict history

tickerseer's rating moved from poor on forward returns (2026-06-03) to weak on forward returns (2026-10-05).

Blended P/E and rating by weekBlended P/E moved from 32.4 to 26.5 between 2026-06-03 and 2026-10-02, against a normal P/E of 25.0, with 1 rating change over 37 recorded weeks.2026-06-03: P/E 32.4, Poor on forward returns, recalculated for the week of 2026-06-032026-06-10: P/E 31.7, Poor on forward returns, recalculated for the week of 2026-06-102026-06-12: P/E 31.7, Poor on forward returns, recalculated for the week of 2026-06-142026-06-16: P/E 31.7, Poor on forward returns, recalculated for the week of 2026-06-162026-06-18: P/E 31.7, Poor on forward returns, recalculated for the week of 2026-06-212026-07-02: P/E 33.3, Poor on forward returns, recalculated for the week of 2026-07-022026-07-06: P/E 34.3, Poor on forward returns, recalculated for the week of 2026-07-062026-07-09: P/E 34.3, Poor on forward returns, recalculated for the week of 2026-07-092026-07-10: P/E 32.8, Poor on forward returns, recalculated for the week of 2026-07-122026-07-13: P/E 32.8, Poor on forward returns, recalculated for the week of 2026-07-132026-07-14: P/E 32.8, Poor on forward returns, recalculated for the week of 2026-07-142026-07-20: P/E 30.8, Poor on forward returns, recalculated for the week of 2026-07-202026-07-22: P/E 30.8, Poor on forward returns, recalculated for the week of 2026-07-222026-07-24: P/E 31.3, Poor on forward returns, recalculated for the week of 2026-07-252026-07-27: P/E 31.3, Poor on forward returns, recalculated for the week of 2026-07-272026-07-31: P/E 31.6, Poor on forward returns, recalculated for the week of 2026-07-312026-07-31: P/E 31.7, Poor on forward returns, recorded live 2026-08-032026-08-07: P/E 31.2, Poor on forward returns, recalculated for the week of 2026-08-072026-08-07: P/E 30.2, Poor on forward returns, recorded live 2026-08-102026-08-14: P/E 30.7, Poor on forward returns, recalculated for the week of 2026-08-142026-08-14: P/E 30.9, Poor on forward returns, recorded live 2026-08-172026-08-21: P/E 29.0, Poor on forward returns, recalculated for the week of 2026-08-212026-08-21: P/E 29.5, Poor on forward returns, recorded live 2026-08-242026-08-27: P/E 29.5, Poor on forward returns, recalculated for the week of 2026-08-272026-08-28: P/E 29.1, Poor on forward returns, recalculated for the week of 2026-08-282026-08-28: P/E 29.1, Poor on forward returns, recalculated for the week of 2026-08-302026-08-28: P/E 29.1, Poor on forward returns, recorded live 2026-08-312026-09-04: P/E 28.4, Poor on forward returns, recalculated for the week of 2026-09-052026-09-04: P/E 28.4, Poor on forward returns, recorded live 2026-09-072026-09-11: P/E 27.9, Poor on forward returns, recalculated for the week of 2026-09-122026-09-11: P/E 27.9, Poor on forward returns, recorded live 2026-09-142026-09-18: P/E 26.5, Poor on forward returns, recalculated for the week of 2026-09-192026-09-18: P/E 26.5, Poor on forward returns, recorded live 2026-09-212026-09-25: P/E 27.2, Poor on forward returns, recalculated for the week of 2026-09-262026-09-25: P/E 27.2, Poor on forward returns, recorded live 2026-09-282026-10-02: P/E 26.5, Weak on forward returns, recalculated for the week of 2026-10-032026-10-02: P/E 26.5, Weak on forward returns, recorded live 2026-10-0525.027.530.032.5Jun 3Jul 3Aug 2Sep 2Oct 2Normal P/E 25.0
Weak on forward returnsPoor on forward returnsLarger dot: a stronger reading

Not every point was recorded live. Points marked recalculated apply today's valuation rules to the metrics tickerseer archived that week.

Selected weeks: the first, the latest, every week the rating moved, and the cheapest and dearest.

WeekBlended P/EPremium to normal P/ERating
2026-06-03P/E 32.4+30%Poor on forward returns (recalculated)
2026-07-06P/E 34.3+37%Poor on forward returns (recalculated)
2026-09-19P/E 26.5+6%Poor on forward returns (recalculated)
2026-10-03P/E 26.5+6%Weak on forward returns (recalculated)
2026-10-05P/E 26.5+6%Weak on forward returns ← now
Show all 37 weeks
WeekBlended P/EPremium to normal P/ERating
2026-06-03P/E 32.4+30%Poor on forward returns (recalculated)
2026-06-10P/E 31.7+27%Poor on forward returns (recalculated)
2026-06-14P/E 31.7+27%Poor on forward returns (recalculated)
2026-06-16P/E 31.7+27%Poor on forward returns (recalculated)
2026-06-21P/E 31.7+27%Poor on forward returns (recalculated)
2026-07-02P/E 33.3+33%Poor on forward returns (recalculated)
2026-07-06P/E 34.3+37%Poor on forward returns (recalculated)
2026-07-09P/E 34.3+37%Poor on forward returns (recalculated)
2026-07-12P/E 32.8+31%Poor on forward returns (recalculated)
2026-07-13P/E 32.8+31%Poor on forward returns (recalculated)
2026-07-14P/E 32.8+31%Poor on forward returns (recalculated)
2026-07-20P/E 30.8+23%Poor on forward returns (recalculated)
2026-07-22P/E 30.8+23%Poor on forward returns (recalculated)
2026-07-25P/E 31.3+25%Poor on forward returns (recalculated)
2026-07-27P/E 31.3+25%Poor on forward returns (recalculated)
2026-07-31P/E 31.6+26%Poor on forward returns (recalculated)
2026-08-03P/E 31.7+27%Poor on forward returns
2026-08-07P/E 31.2+25%Poor on forward returns (recalculated)
2026-08-10P/E 30.2+21%Poor on forward returns
2026-08-14P/E 30.7+23%Poor on forward returns (recalculated)
2026-08-17P/E 30.9+24%Poor on forward returns
2026-08-21P/E 29.0+16%Poor on forward returns (recalculated)
2026-08-24P/E 29.5+18%Poor on forward returns
2026-08-27P/E 29.5+18%Poor on forward returns (recalculated)
2026-08-28P/E 29.1+16%Poor on forward returns (recalculated)
2026-08-30P/E 29.1+16%Poor on forward returns (recalculated)
2026-08-31P/E 29.1+16%Poor on forward returns
2026-09-05P/E 28.4+14%Poor on forward returns (recalculated)
2026-09-07P/E 28.4+14%Poor on forward returns
2026-09-12P/E 27.9+11%Poor on forward returns (recalculated)
2026-09-14P/E 27.9+11%Poor on forward returns
2026-09-19P/E 26.5+6%Poor on forward returns (recalculated)
2026-09-21P/E 26.5+6%Poor on forward returns
2026-09-26P/E 27.2+9%Poor on forward returns (recalculated)
2026-09-28P/E 27.2+9%Poor on forward returns
2026-10-03P/E 26.5+6%Weak on forward returns (recalculated)
2026-10-05P/E 26.5+6%Weak on forward returns ← now

Frequently asked questions

Is TransDigm Group stock overvalued?

At a blended P/E of 26.5 versus its historical normal P/E of 25.0, TransDigm Group trades about 6% above its typical valuation, with a PEG of 1.61 on 16.5% forward growth. tickerseer currently rates it weak on forward returns.

What is TransDigm Group's fair value and PEG?

TransDigm Group trades at a blended P/E of 26.5 against a historical normal P/E of 25.0, a PEG of 1.61, and a forward growth estimate of 16.5%. Priced at its historical normal P/E of 25.0 on the same blended earnings, the 2026-10-02 close of $1,090.38 corresponds to about $1,030 a share. This is a valuation reference, not a price target.

Has tickerseer's rating of TransDigm Group changed?

tickerseer's rating moved from poor on forward returns (2026-06-03) to weak on forward returns (2026-10-05).

What is the analyst price target for TransDigm Group?

The mean Wall Street price target for TransDigm Group is $1,484.37 across 19 analysts, 36.3% above the current price. tickerseer's SeerForecast verdict is formed independently of analyst targets.

Industry: Aerospace & Defense. Create a free account to see the full analysis: the SeerAI score, its five quality sub-scores, valuation history, and the AI research note. Options setups and metric history are part of the paid plans.

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