Is Tandem Diabetes Care, Inc. technically bullish or bearish?

As of 3 October 2025, the technical trend for Tandem Diabetes Care, Inc. has changed from bearish to mildly bearish. The weekly MACD indicates a mildly bullish stance, while the monthly MACD remains bearish. The Bollinger Bands and moving averages are both showing mildly bearish signals on the weekly and daily time frames. The KST and Dow Theory are bearish and mildly bearish, respectively, on the weekly and monthly charts.
In terms of performance, the stock has significantly underperformed the S&P 500 over the longer term, with a year-to-date return of -59.16% compared to the S&P 500's 14.18%, and a one-year return of -63.64% versus the S&P 500's 17.82%. Overall, the current technical stance is mildly bearish, with key indicators such as the moving averages and Bollinger Bands contributing to this view.