Strike K
$100
Days to expiry
30 d
Implied vol σ
20%
Risk-free rate r
4.0%
Spot S
$100
Premium
—
—
Intrinsic value
—
—
Time value
—
—
Breakeven at expiry
—
—
Black-Scholes premium plotted vs spot, with intrinsic-value floor and at-expiry payoff overlaid.