TMUS monthly performance report
Explore TMUS's monthly returns, drawdown, and seasonality trends — updated every month.
TMUS monthly report
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Key takeaways
- T-Mobile US (TMUS) closed September 2026 at $166.45, down 7.75% for the month and −30.49% over the trailing 12 months.
- Year-to-date, TMUS is −18.02%, underperforming the S&P 500 which has returned +11.83% YTD.
- The stock is trading −14.14% versus its 200-day moving average ($193.85), a cautious technical signal.
- Over the past three years, TMUS has underperformed the S&P 500 by −54.72%, with a relative strength index reading of 68.8.
- Win rate over the trailing 39 months stands at 53.8% — 21 positive months versus 18 negative months.
T-Mobile US ended September 2026 at $166.45, posting a monthly return of −7.75%. The S&P 500 returned −0.58% over the same window, leaving relative performance at −7.17%.
The current quarter stands at −0.76% (Q3 2026 (QTD)), while medium-term trend remains soft: price is −14.14% versus the 200-day moving average ($193.85).
Year-to-date, TMUS is −18.02% against SPY +11.83%, a gap of −29.85%. The stock is currently −31.85% below its 52-week high, with maximum 3-year drawdown at −38.99%.
| Period | TMUS | S&P 500 (SPY) | Excess return |
|---|---|---|---|
| 1 Day | −5.57% | +1.13% | −6.70% |
| 1 Week | −6.05% | +0.63% | −6.67% |
| 1 Month | −7.75% | −0.58% | −7.17% |
| 3 Months | −11.87% | +1.64% | −13.50% |
| 6 Months | −22.35% | +15.15% | −37.50% |
| YTD | −18.02% | +11.83% | −29.85% |
| 12 Months | −30.49% | +15.69% | −46.18% |
| 3 Years | +17.28% | +72.00% | −54.72% |
| Rank | Month | Return |
|---|---|---|
| #1 | Feb 2025 | +15.76% |
| #2 | Nov 2024 | +10.66% |
| #3 | Feb 2026 | +10.08% |
| #4 | Aug 2024 | +9.02% |
| #5 | Oct 2024 | +8.14% |
| Rank | Month | Return |
|---|---|---|
| #1 | Oct 2025 | −12.25% |
| #2 | Dec 2024 | −10.61% |
| #3 | Jun 2026 | −10.56% |
| #4 | Sep 2026 | −7.75% |
| #5 | Apr 2025 | −7.41% |
| Quarter | Return |
|---|---|
| Q2 2025 | −10.67% |
| Q3 2025 | +0.47% |
| Q4 2025 | −15.18% |
| Q1 2026 | +3.44% |
| Q2 2026 | −20.14% |
| Q3 2026 (QTD) | −0.76% |
| Year | Return |
|---|---|
| 2023 | +14.52% |
| 2024 | +37.67% |
| 2025 | −8.01% |
| 2026 | −18.02% |
| Metric | Value |
|---|---|
| 52-Week High | $244.24 (2025-09-15) |
| 52-Week Low | $165.66 (2026-06-30) |
| Current Price | $166.45 |
| 200-Day Moving Average | $193.85 |
| Price vs 200DMA | −14.14% |
| 3-Year Maximum Drawdown | −38.99% (2026-09-17) |
| Current Drawdown from 52W High | −31.85% |
| RS metric | Value |
|---|---|
| RS Index (3-year, rebased to 100) | 68.8 |
| 3-Year Excess Return vs S&P 500 | −54.72% |
| RS Peak | 157.3 (Apr 2025) |
| RS Trough | 68.8 (Sep 2026) |
| Status | Underperforming Benchmark |
Frequently asked questions
What was TMUS's return for this report period?
TMUS returned −7.75% in the latest monthly window ending 2026-09-17.
Has TMUS outperformed SPY year to date?
YTD TMUS: −18.02% vs SPY: +11.83%.
What is TMUS's 12-month return?
−30.49% over the trailing 12 months.
Is TMUS above or below its 200-day moving average?
Price is −14.14% versus 200DMA ($193.85).
What is the maximum drawdown in the 3-year window?
−38.99% on 2026-09-17.