Tandem Diabetes Care (TNDM) Struggling to Move Back Above $38
Medical device company Tandem Diabetes Care (Nasdaq: TNDM) had an incredible run for the first eight and a half months of 2018. The stock jumped from $2.36 at the start of the year to a high of $52.55 in September. That is a gain of over 2,100%.
After hitting that all-time high in September, the stock has retreated slightly and it dipped down to a low of $26.40 in November. After dropping down to the November low, the stock has made several attempts to move back up, but it seems to be hitting resistance in the $38 area. The stock has moved above that price, but it hasn’t been able to close a day above it on three different attempts.
You can see on the chart the three attempts in just over a month and now the stock is overbought based on the daily stochastic readings. The stochastic readings also just made a bearish crossover on Wednesday.
Something that could be holding the stock back at this point is its fundamental indicators. The company has yet to turn a profit and it is currently operating at a profit margin of -67.9%.
Biotech and pharma companies are different in how they are valued by investors, but at some point the company has to start making money in order to justify the stock price. I’m not sure what that point is, but it seems like investors may have gotten ahead of themselves with Tandem when they ran it up so high last year.
TNDM in upward trend: price may jump up because it broke its lower Bollinger Band on August 07, 2025
TNDM may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options. In of 42 cases where TNDM's price broke its lower Bollinger Band, its price rose further in the following month. The odds of a continued upward trend are .
Technical Analysis (Indicators)
Bullish Trend Analysis
The RSI Indicator points to a transition from a downward trend to an upward trend -- in cases where TNDM's RSI Oscillator exited the oversold zone, of 45 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are .
The Momentum Indicator moved above the 0 level on August 22, 2025. You may want to consider a long position or call options on TNDM as a result. In of 76 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are .
The Moving Average Convergence Divergence (MACD) for TNDM just turned positive on August 22, 2025. Looking at past instances where TNDM's MACD turned positive, the stock continued to rise in of 47 cases over the following month. The odds of a continued upward trend are .
Following a 3-day Advance, the price is estimated to grow further. Considering data from situations where TNDM advanced for three days, in of 268 cases, the price rose further within the following month. The odds of a continued upward trend are .
Bearish Trend Analysis
The Stochastic Oscillator may be shifting from an upward trend to a downward trend. In of 61 cases where TNDM's Stochastic Oscillator exited the overbought zone, the price fell further within the following month. The odds of a continued downward trend are .
The Aroon Indicator for TNDM entered a downward trend on August 08, 2025. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
The Tickeron Price Growth Rating for this company is (best 1 - 100 worst), indicating fairly steady price growth. TNDM’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron PE Growth Rating for this company is (best 1 - 100 worst), pointing to worse than average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Valuation Rating of (best 1 - 100 worst) indicates that the company is significantly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (6.219) is normal, around the industry mean (60.236). P/E Ratio (0.000) is within average values for comparable stocks, (38.113). TNDM's Projected Growth (PEG Ratio) (0.000) is slightly lower than the industry average of (1.622). TNDM has a moderately low Dividend Yield (0.000) as compared to the industry average of (0.019). P/S Ratio (0.811) is also within normal values, averaging (80.051).
The Tickeron SMR rating for this company is (best 1 - 100 worst), indicating weak sales and an unprofitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Profit vs. Risk Rating rating for this company is (best 1 - 100 worst), indicating that the returns do not compensate for the risks. TNDM’s unstable profits reported over time resulted in significant Drawdowns within these last five years. A stable profit reduces stock drawdown and volatility. The average Profit vs. Risk Rating rating for the industry is 93, placing this stock worse than average.
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General Information
a developer and manufacturer of medical devices for the treatment of diabetes
Industry MedicalNursingServices
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