TDG monthly performance report
View TDG's monthly returns, drawdown, and seasonality trends — updated every month.
TDG monthly report
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Key takeaways
- TransDigm Group (TDG) closed September 2026 at $1,086.05, down 7.31% for the month and −15.56% over the trailing 12 months.
- Year-to-date, TDG is −18.33%, underperforming the S&P 500 which has returned +11.70% YTD.
- The stock is trading −13.93% versus its 200-day moving average ($1,261.84), a cautious technical signal.
- Over the past three years, TDG has underperformed the S&P 500 by −46.87%, with a relative strength index reading of 72.7.
- Win rate over the trailing 39 months stands at 64.1% — 25 positive months versus 14 negative months.
TransDigm Group ended September 2026 at $1,086.05, posting a monthly return of −7.31%. The S&P 500 returned −0.70% over the same window, leaving relative performance at −6.61%.
The current quarter stands at −18.47% (Q3 2026 (QTD)), while medium-term trend remains soft: price is −13.93% versus the 200-day moving average ($1,261.84).
Year-to-date, TDG is −18.33% against SPY +11.70%, a gap of −30.03%. The stock is currently −25.77% below its 52-week high, with maximum 3-year drawdown at −33.61%.
| Period | TDG | S&P 500 (SPY) | Excess return |
|---|---|---|---|
| 1 Day | +0.93% | −0.12% | +1.05% |
| 1 Week | −4.76% | −0.34% | −4.42% |
| 1 Month | −7.31% | −0.70% | −6.61% |
| 3 Months | −16.53% | +2.80% | −19.33% |
| 6 Months | −10.59% | +13.85% | −24.44% |
| YTD | −18.33% | +11.70% | −30.03% |
| 12 Months | −15.56% | +15.01% | −30.57% |
| 3 Years | +24.82% | +71.69% | −46.87% |
| Rank | Month | Return |
|---|---|---|
| #1 | Nov 2023 | +16.28% |
| #2 | May 2026 | +8.48% |
| #3 | Jan 2024 | +8.02% |
| #4 | Feb 2024 | +7.78% |
| #5 | May 2024 | +7.63% |
| Rank | Month | Return |
|---|---|---|
| #1 | Aug 2025 | −13.03% |
| #2 | Mar 2026 | −11.04% |
| #3 | Oct 2024 | −8.75% |
| #4 | Feb 2026 | −8.74% |
| #5 | Sep 2026 | −7.31% |
| Quarter | Return |
|---|---|
| Q2 2025 | +9.93% |
| Q3 2025 | −13.32% |
| Q4 2025 | +0.90% |
| Q1 2026 | −12.85% |
| Q2 2026 | +14.93% |
| Q3 2026 (QTD) | −18.47% |
| Year | Return |
|---|---|
| 2023 | +60.66% |
| 2024 | +25.27% |
| 2025 | +4.94% |
| 2026 | −18.33% |
| Metric | Value |
|---|---|
| 52-Week High | $1,463.03 (2026-01-16) |
| 52-Week Low | $1,071.25 (2026-09-16) |
| Current Price | $1,086.05 |
| 200-Day Moving Average | $1,261.84 |
| Price vs 200DMA | −13.93% |
| 3-Year Maximum Drawdown | −33.61% (2026-09-17) |
| Current Drawdown from 52W High | −25.77% |
| RS metric | Value |
|---|---|
| RS Index (3-year, rebased to 100) | 72.7 |
| 3-Year Excess Return vs S&P 500 | −46.87% |
| RS Peak | 133.2 (May 2025) |
| RS Trough | 71.9 (Sep 2026) |
| Status | Underperforming Benchmark |
Frequently asked questions
What was TDG's return for this report period?
TDG returned −7.31% in the latest monthly window ending 2026-09-18.
Has TDG outperformed SPY year to date?
YTD TDG: −18.33% vs SPY: +11.70%.
What is TDG's 12-month return?
−15.56% over the trailing 12 months.
Is TDG above or below its 200-day moving average?
Price is −13.93% versus 200DMA ($1,261.84).
What is the maximum drawdown in the 3-year window?
−33.61% on 2026-09-17.