Challenge Which of the following have negative deltas? (Make sure to choose ALL that are correct.)

Alex, an experienced options trader, decided to implement a bear spread strategy using put options. He bought a put option with a strike price of $55 for a price of $3 and simultaneously sold a put option with a strike price of $50 for a price of $2. At expiration, the stock price settled at $52.What is Alex’s net payoff from the bear spread at expiration?

A trader buys a put option with a strike price of $60. The premium paid for the option is $4. If the stock price at expiration is $65, what is the net payoff?

Given the following stock prices over six consecutive days: Day 1: $82 Day 2: $80 Day 3: $81 Day 4: $85 Day 5: $87 Day 6: $90 Calculate the standard deviation of the log-returns of the stock prices. (Recall, option traders assume 252 daily in a year.)

A trader sells a call option with a strike price of $70. The premium received for the option is $6. If the stock price at expiration is $65, what is the net payoff?

What do the downward slope and linearity of the payoff diagram indicate about an investor with a short position in a forward contract?

A trader creates a bull spread by buying a call option with a strike price of $70 for a price of $8 and selling a call option with a strike price of $80 for a price of $5. What is the net payoff of the bull spread if the stock price at expiration is $75?

Acute cerebral hemorrhages typically demonstrate __________________ signal on T1-weighted images, __________________ signal on T2-weighted images, and __________________ signal on gradient echo images.

Regarding pituitary adenomas, a microadenoma is an adenoma measuring _________________ and a macroadenoma is an adenoma measuring _________________ . Bonus points will be provided if question is answered correctly.

A meningioma is a ____________ tumor affecting the brain and spinal cord. ______________ of all meningiomas are intracranial.