$792.85
−$12.79 (−1.59%)
52-week range
The STX Oct 16 $795 call costs about $36.20 a share, or $3,620 for one contract of 100 shares.
The Greeks measure how the price reacts when something changes. Numbers are per share. The dollar amounts are for one contract. Each small line shows the Greek if STX moves up to 20% either way, with a dot at today's price.
We can't calculate Greeks for this contract. Yahoo has no usable price for it. Try a strike closer to the stock price.
How much the option's price moves when the stock moves $1. Think of it as a speedometer. Calls run from 0 to 1 and puts from 0 to −1. It is shown per share, and one contract is 100 shares.
How delta worksHow much delta changes when the stock moves $1. If delta is the speedometer, gamma is how hard you're pressing the accelerator. It is largest near the strike and close to expiry.
How gamma worksHow much value the option loses each day if nothing else changes. It works like an ice cube that melts a little faster each day. It is shown per share.
How theta worksHow much the option's price changes when implied volatility moves 1 point, say from 30% to 31%. Implied volatility is the size of move the market expects. Options get pricier when it rises, like insurance before a storm.
How vega worksHow much the option's price changes when interest rates move 1 point. It matters most for contracts that expire far in the future.
How rho worksBuy one contract at today's price, then move the stock, the calendar and implied volatility. The gold line is the profit or loss on that day. The grey line is the result at expiry.
This contract has no reliable price, so there is no payoff to draw. Try a strike closer to $793.47.
See how each Greek changes as the stock moves. The second line shows the same contract with half the time left, so you can watch the curves tighten around the strike.
Without an implied volatility for this contract, its Greeks can't be drawn.