Mastercard's 15min chart shows MACD Death Cross, Bollinger Bands Narrowing, KDJ Death Cross.

In accordance with the 15-minute chart of Mastercard, technical indicators have recently triggered a series of ominous signals. Specifically, the Moving Average Convergence Divergence (MACD) has crossed over into bearish territory, indicating a potential downtrend in the stock price. Additionally, the Bollinger Bands have narrowed, suggesting that the stock price may experience a decrease in volatility. Furthermore, the KDJ indicator has also crossed over into bearish territory, signaling a shift in momentum towards the downside. Taken together, these indicators suggest that the stock price has the potential to continue falling, with a decreasing magnitude of fluctuations and a shift in momentum towards the downside.