Tools
Expected Move Calculator
Enter spot, IV, and DTE to derive the expected market range immediately.
Calculator
Calculate expected move
Standard formula: Spot x IV x sqrt(DTE / 365).
Quick formula: Spot x IV x 0.15.
Result
Range and formulas
Standard
5.73
Quick formula
3.00
Lower range
94.27
Upper range
105.73
Standard formula
100.00 x 0.20 x sqrt(30 / 365) = 5.73
Quick formula
100.00 x 0.20 x 0.15 = 3.00
The square-root formula is the cleaner standard. The 0.15 version is more of a quick shortcut.