Quantitative Methods

CFA Level I — Exam Weight: 6-9%

11

Modules

60

Concepts

43

Formulas

44

Quiz Questions

Key Formulas

14 essential formulas for Quantitative Methods.

Future Value

FV = PV × (1 + r)n

Single lump sum compounding

Present Value

PV = FV / (1 + r)n

Discounting future cash flows

Annuity PV

PV = PMT × [1 - (1+r)-n] / r

Equal periodic payments

Effective Annual Rate

EAR = (1 + r/m)m - 1

m = compounding periods per year

Holding Period Return

HPR = (P₁ - P₀ + D) / P₀

Total return including income

Population Variance

σ² = Σ(Xᵢ - μ)² / N

Divide by N for population

Sample Variance

s² = Σ(Xᵢ - X̄)² / (n-1)

Divide by n-1 for sample (Bessel's correction)

Coefficient of Variation

CV = σ / μ

Risk per unit of return

Sharpe Ratio

Sharpe = (R̄ₚ - Rᶠ) / σₚ

Excess return per unit of total risk

Bayes' Formula

P(A|B) = P(B|A) × P(A) / P(B)

Updating probabilities with new info

Correlation

ρ = Cov(X,Y) / (σₓ × σᵧ)

Standardized covariance, -1 to +1

Linear Regression

Y = b₀ + b₁X + ε

b₁ = Cov(X,Y)/Var(X)

Confidence Interval

X̄ ± z(α/2) × (σ/√n)

z = 1.96 for 95% CI

Test Statistic

t = (X̄ - μ₀) / (s/√n)

Compare to critical value

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