This article talks about how some rich people are very optimistic and hopeful about the future of a big company called Delta Air Lines. They are using something called options to show their confidence in the company's success. Options are like bets that allow them to buy or sell shares of the company at a certain price and time. Read from source...

1. The title of the article is misleading and clickbait-like, implying that there are some recent options trading trends specific to Delta Air Lines, when in fact the article only discusses historical data and general observations on whales' activity. A more accurate and informative title could be something like "Options Trading History for Delta Air Lines: Whales Show Bullish Sentiment".
2. The article lacks any credible sources or references to support its claims, making it questionable in terms of factual accuracy and reliability. For example, there is no mention of where the options history data was collected from, how it was analyzed, or what time frame was considered. Additionally, the term "whales" is vague and subjective, as it does not define who these investors are, how they are classified, or what criteria are used to identify them.
3. The article contains several grammatical and spelling errors, such as "Whales with a lot of money to spend have taken a noticeably bullish stance on Delta Air Lines" (missing punctuation and capitalization), "Looking at options history for Delta Air Lines we detected 8 trades." (incorrect verb tense and sentence structure), and "If we consider the specifics of each trade, it is accurate to state that 75% of the investors opened trades with bullish expe" (missing word or phrase at the end). These errors reduce the professionalism and quality of the article and make it harder to read and understand.