Calculate Arrow-Pratt second-order approximation of certainty equivalent: CE ≈ μ - (A/2)*σ² where μ is mean, σ² is variance, and A is absolute risk aversion. Valid for small risks and provides closed-form approximation without numerical inversion. Returns approximate certainty equivalent. Use for quick risk adjustments and mean-variance analysis. [Tier: STANDARD, Credits: 2]
API key for authentication. Get your key at https://api.fincept.in/auth/register