Which of the following statements is true about Gamma? Option: "Gamma is always a positive number for both Calls and Puts", "Gamma is negative for Calls and positive for Puts", "Gamma is always a negative number for both Calls and Puts", "Gamma is positive for Calls and negative for Puts"

Which of the following statements is true about Gamma?

Which of the following is NOT a characteristic of Gamma?

When are you considered "Long Gamma" in options trading?

How is 'Gamma' related to 'Delta' in options trading?

What does Gamma measure in options trading?

Which type of option should be avoided when shorting, considering Gamma?