TNDM Stock Down -20% after 8-Day Loss Streak
Tandem Diabetes Care (TNDM) stock hit day 8 of a continuous streak of days with losses, with cumulative losses over this period amounting to a -20% return. The company has lost about $225 Mil in value over the last 8 days, with its current market capitalization at about $1.1 Bil. The stock remains 54.9% below its value at the end of 2024. This compares with year-to-date returns of 5.9% for the S&P 500.

Comparing TNDM Stock Returns With The S&P 500
The following table summarizes the return for TNDM stock vs. the S&P 500 index over different periods, including the current streak:
| Return Period | TNDM | S&P 500 |
|---|---|---|
| 1D | -4.9% | 0.0% |
| 8D (Current Streak) | -19.6% | 3.4% |
| 1M (21D) | -21.2% | 4.3% |
| 3M (63D) | -14.0% | 9.9% |
| YTD 2025 | -54.9% | 5.9% |
| 2024 | 21.8% | 23.3% |
| 2023 | -34.2% | 24.2% |
| 2022 | -70.1% | -19.4% |
Gains and Losses Streaks: S&P 500 Constituents
There are currently 61 S&P constituents with 3 days or more of consecutive gains and 16 constituents with 3 days or more of consecutive losses.
| Consecutive Days | # of Gainers | # of Losers |
|---|---|---|
| 3D | 16 | 12 |
| 4D | 12 | 3 |
| 5D | 6 | 0 |
| 6D | 12 | 0 |
| 7D or more | 15 | 1 |
| Total >=3 D | 61 | 16 |
Key Financials for Tandem Diabetes Care (TNDM)
Last 2 Fiscal Years:
| Metric | FY2023 | FY2024 |
|---|---|---|
| Revenues | $747.7 Mil | $940.2 Mil |
| Operating Income | $-233.2 Mil | $-99.1 Mil |
| Net Income | $-222.6 Mil | $-96.0 Mil |
Last 2 Fiscal Quarters:
| Metric | 2024 FQ4 | 2025 FQ1 |
|---|---|---|
| Revenues | $282.6 Mil | $234.4 Mil |
| Operating Income | $-0.6 Mil | $-120.9 Mil |
| Net Income | $0.8 Mil | $-130.6 Mil |
The losing streak TNDM stock is currently on doesn’t inspire much confidence among investors. In contrast, Trefis High Quality (HQ) Portfolio, with a collection of 30 stocks, has a track record of comfortably outperforming the S&P 500 over the last 4-year period. Why is that? As a group, HQ Portfolio stocks provided better returns with less risk versus the benchmark index; less of a roller-coaster ride, as evident in HQ Portfolio performance metrics.