The article highlights a whale investor taking a bullish stance on Mastercard, with 56% of detected trades being bullish. The total amount for 3 puts is $165,275, while 13 calls amount to $2,202,788. This indicates that the majority of the whale's investments are in favor of Mastercard's stock price going up in the short term. The target price range of $340 to $405 also supports this bullish sentiment.