Free tool
Expected move.
The range the options market is pricing, in dollars.
1σ move±$10.03
1σ range$89.97 – $110.03
2σ range$79.93 – $120.07
Strike distance−0.80σ
How it works
One standard deviation is price × IV × √(days ÷ 365). Roughly two-thirds of outcomes land inside 1σ and about 95% inside 2σ under a normal model; real returns have fatter tails. The strike distance says how many of those moves separate the strike from today's price.
Educational calculator, not a recommendation. Options involve risk.
Score it with your own rules.
Score it with your own rules