Some rich people who buy and sell things called "options" on a company named Workday made big decisions recently. They either think the company will do well (bullish) or not do well (bearish). This is important because their choices can affect how other people see the company's future. Read from source...

1. The article lacks clarity and precision in defining who are the "market whales" and how they are identified. It is not clear whether they are individual investors or institutional ones, or a combination of both. How do we know that these investors have deep pockets and what does it mean for their options trading strategies?
2. The article uses vague terms such as "significant move", "something big is about to happen", without providing any evidence or data to support these claims. What are the criteria for measuring significance and predicting outcomes in the options market? How can we verify these statements empirically?
3. The article relies on anonymous sources and unverified information, such as the identity of the investors and their option positions. Why does the author not disclose the name or source of this information? Is there a conflict of interest or a hidden agenda behind this lack of transparency? How can we trust the credibility and accuracy of the article if it is based on hearsay and speculation?
4. The article fails to provide any context or background for the options trading activity in WDAY. What are the historical trends and patterns in the option prices, volume, open interest, implied volatility, etc. for WDAY? How does this recent options activity compare to the past performance and expectations of the company and its stock price?
5. The article does not offer any analysis or interpretation of the options trading data. What are the possible reasons and motivations behind the bullish or bearish sentiments of the investors? What are the potential implications and consequences for the company's valuation, performance, and outlook? How can we use this information to inform our own investment decisions or strategies in WDAY?

There is no definitive answer to whether one should buy or sell Workday (WDAY) stock based on the recent options activity. However, I can provide you with some insights that might help you make an informed decision.