Free CFA Level I Formula Sheet (2026)

Every CFA Level I formula you need on the test, grouped by topic, rendered with full math notation. 91 formulas across 9 topics, calibrated to the 2026 syllabus. Free forever, no signup required.

91 Formulas
9 Topics
2026 Syllabus
Free Forever
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All CFA Level I Formulas

Quantitative Methods 14 items
Present Value (single sum)
FV = future value, r = periodic rate, n = number of periods
Future Value of ordinary annuity
PMT = periodic payment, r = periodic rate, n = periods
Present Value of ordinary annuity
PMT = periodic payment, r = periodic rate, n = periods
Present Value of perpetuity
PMT = periodic payment, r = discount rate
Population variance
= population mean, N = population size
Sample variance
= sample mean, n = sample size (uses n−1 for unbiasedness)
Sharpe ratio
R_p = portfolio return, R_f = risk-free rate, = portfolio std dev
Excess return per unit of total risk
Holding Period Return (HPR)
P_1 = ending price, P_0 = beginning price, D_1 = cash distributions received
Bayes' Theorem
Updates prior probability P(A) given new information B
Correlation coefficient
Ranges from −1 to +1; unitless measure of linear association
Geometric mean return
— R_t = period t return, n = number of periods
Money-weighted return (MWR)
— CF_t = cash flow at time t (outflows negative, inflows positive), r = money-weighted return, N = number of periods
Fisher relation (real vs nominal return)
; R_nominal = nominal, R_real = real, i = inflation. Subtracting inflation is only an approximation; it breaks down when inflation is high.
Time-weighted return (TWR)
— r_i = holding-period return for sub-period i, n = number of sub-periods between external cash flows
Economics 6 items
GDP expenditure approach
C = consumption, I = investment, G = government spending
X = exports, M = imports, (X−M) = net exports
Money multiplier
Maximum deposit expansion from a given reserve base
Fisher effect
Approx:
r_nom = nominal rate, r_real = real rate, = expected inflation
Breakeven and shutdown points
Breakeven: (price covers all costs).
Shutdown (short run): . If , keep operating short-run because contribution covers some fixed cost.
Price elasticity of demand
: elastic (revenue rises when P falls). : inelastic. : unit-elastic (revenue maximized).
Cross-rate calculation
Multiply or divide quoted rates to derive a cross-rate. Bid-ask: use bid for one leg and ask for the other to be conservative.
Corporate Issuers 6 items
WACC
w = weights (market value), r = required returns
d = debt, p = preferred, e = equity, t = tax rate
Free Cash Flow to the Firm (FCFF)
NI = net income, NCC = non-cash charges, Int = interest expense
= change in working capital, t = tax rate
Net Present Value (NPV)
CF_t = expected after-tax cash flow at time t, r = required rate of return
Accept when NPV > 0: the investment adds value in currency terms
Degree of Financial Leverage (DFL)
I = interest expense
% change in EPS per 1% change in EBIT
Return on Invested Capital (ROIC)
Invested capital = total debt + total equity
ROIC above the cost of capital means the company is creating value
Free Cash Flow to Equity (FCFE)
Cash available to equity holders after all obligations and reinvestment
Financial Statement Analysis 8 items
3-factor DuPont decomposition
Net profit margin × Asset turnover × Financial leverage
Current ratio
Measures short-term liquidity; higher = more liquid
Inventory turnover
Days on hand (DOH):
Receivables turnover and DSO
Days Sales Outstanding — average collection period
Return on Assets (ROA)
Alternative:
2-factor DuPont decomposition
Return on Equity (ROE)
DuPont: ROE = Net margin × Asset turnover × Leverage. Drives sustainable growth: .
Cash flow interest coverage ratio
; CFO = cash from operations. Distinct from accounting version EBIT/Interest; the exam loves to swap them.
Cash return on assets
— CFO = cash flow from operations; denominator uses average of beginning and ending total assets
Equity Investments 20 items
Gordon Growth Model (DDM)
D_1 = next dividend, r = required return, g = constant growth rate
Requires r > g
Justified P/E (leading)
b = retention ratio (1−b = payout ratio), r = required return, g = ROE × b
Enterprise Value (EV)
= enterprise value multiple
Capital-structure-neutral valuation metric
Price-to-Book ratio
Justified P/B:
P/B > 1 implies market values assets above book
P/E ratio (trailing & leading)
Trailing: — uses last 12 months EPS.
Leading: — uses next 12 months / forecast EPS. Forward-looking variant.
Equity value per share from enterprise value
— EV = enterprise value, Debt = interest-bearing debt, Cash = cash and equivalents, Shares = diluted shares outstanding
Terminal value via Gordon growth applied to FCFF
— FCFF_{n+1} = next-period free cash flow to firm, WACC = weighted avg cost of capital, g = sustainable long-run growth
Residual income
— NI = net income, r = cost of equity, BV = book value of equity at start of period
Arbitrage pricing theory (APT) expected return
— R_f = risk-free rate, β_{i,k} = sensitivity of asset i to factor k, λ_k = risk premium per unit exposure to factor k
Two-stage dividend discount model
— D_t = dividend at time t, r = cost of equity, g_s = stable growth, n = explicit horizon
Carhart four-factor model
— SMB = size, HML = value, WML = momentum premiums; β = loadings
Single-stage FCF perpetuity enterprise value
— FCF₀ = current free cash flow, g = terminal growth rate, WACC = weighted-average cost of capital
Total return on an equity security
— P_0 = beginning price, P_1 = ending price, D_1 = dividends received
Price return on an equity security
— P_0 = beginning price, P_1 = ending price
Average daily volume (ADV)
— V_i = shares traded on day i, n = number of trading days in the window
Free float shares
— Restricted = insider lock-ups, strategic stakes, treasury shares, and government holdings
Justified trailing P/E from Gordon growth
— b = retention ratio, (1-b) = payout ratio, r = required return on equity, g = sustainable growth rate
Implied price via method of comparables
— M_peer = peer-group median multiple, F_target = target's per-share fundamental (EPS, BVPS, etc.)
Cumulative voting total votes available
— V = total votes a shareholder may cast, S = shares owned, N = number of director seats up for election
Voting power share in a dual-class structure
— S = shares held in class, v = votes per share in class, denominator = total votes cast across all classes
Fixed Income 14 items
Bond price
C = coupon payment, r = periodic YTM, n = periods, FV = face value
Current yield
Simplest yield measure; ignores capital gains/losses and time value
Macaulay duration
Weighted average time to receive cash flows; measured in years
Modified duration
r = periodic YTM, = change in yield
Forward rate from spot rates
General:
z = spot rate, f = implied forward rate
Price value of a basis point (PVBP)
Alternative:
Dollar price change for a 1 bp yield move
Floating-rate note price using discount margin
— MRR = reference rate, QM = quoted margin, DM = discount margin, m = periods/yr, FV = face
Bond equivalent yield for money market instruments
— FV = face value, PV = price, days = days to maturity
Debt-to-EBITDA leverage ratio
— Total Debt = all interest-bearing debt; EBITDA = earnings before interest, taxes, depreciation, amortization. Lower is stronger.
EBITDA-to-interest coverage ratio
— EBITDA = earnings before interest, taxes, depreciation, amortization; Interest Expense = period interest. Higher is stronger.
Effective convexity
— P₋ = price if yields fall, P₊ = price if yields rise, P₀ = initial price, Δy = yield shock (decimal)
Effective duration
— P₋ = price if yields fall, P₊ = price if yields rise, P₀ = initial price, Δy = yield shock (decimal)
Approximate convexity
— P₋ = price after yield falls by Δy, P₊ = price after yield rises, P₀ = starting full price
Bond percentage price change with convexity adjustment
— ModDur = modified duration, Con = annual convexity, Δy = yield change (decimal)
Derivatives 9 items
Put-call parity
C = call price, P = put price, S_0 = spot price, X = exercise price
r = risk-free rate, T = time to expiration
Forward contract price
With continuous dividends:
S_0 = spot, r = risk-free rate, T = time, q = dividend yield
Forward price with discrete income or cost
I = discrete income (dividends, coupons) over T; C = carrying cost (storage). PV at risk-free rate. Income reduces the forward; cost raises it.
Option payoff at expiration
Long call: ; Long put:
= price at expiry, X = strike. Short positions are the negative of long. Subtract premium paid for profit.
Intrinsic value and time value
Call intrinsic: ; Put intrinsic:
Time value = Option price − intrinsic. ATM/OTM intrinsic = 0; deep ITM time value → 0 near expiry.
Lower bound on European options (no dividends)
Call:
Put:
Enforces no-arbitrage. Below these, the option is mispriced relative to the synthetic.
Value of a long forward contract at time t
— F_t = current forward price, F_0 = original forward price, r = risk-free rate, T - t = time remaining to expiration
Swap fixed rate (price) at initiation
— D(tᵢ) = discount factor at settlement i, n = number of settlements
Swap value to the fixed-receiver after initiation
— PVs use current discount factors; floating leg = notional at any reset date
Alternative Investments 6 items
NAV per share
Used for mutual funds, ETFs, private equity fund valuation
Incentive fee with a hard vs. soft hurdle
Hard hurdle: fee per unit of capital, charged only on the return above the hurdle.
Soft hurdle: once , fee , charged on the entire gain. Below the hurdle, neither structure pays.
Hedge fund fee structure (2-and-20)
Mgmt fee (e.g. 2%). Incentive fee (e.g. 20%).
Net investor return = gross − both fees.
High-water mark (HWM) incentive fee
Incentive fee
HWM = highest NAV on which an incentive fee was previously paid. After a drawdown the fund must climb back above the HWM before incentive fees resume, so investors never pay twice for the same gains.
Loan-to-Value (LTV)
Higher LTV = more leverage and credit risk. Typical max ≈ 80% commercial; 95%+ residential with mortgage insurance.
Management fee base: hedge funds vs. private capital
Hedge funds: fee (net asset value, marked to market).
Private capital funds: fee during the investment period (often shifting to invested capital afterward), so fees accrue even before capital is deployed.
Portfolio Management 8 items
Capital Market Line (CML)
Sharpe ratio of market is slope; uses total risk (not beta)
CAPM / Security Market Line (SML)
Uses systematic risk only; SML plots expected return vs beta
Two-asset portfolio variance
w = weights, = std devs, = correlation coefficient
Information ratio
R_B = benchmark return, = active return, TE = active risk
Treynor ratio
Excess return per unit of systematic risk (beta)
Compare with Sharpe (uses total risk )
Jensen's alpha
Actual return minus CAPM-expected return
means manager added value beyond compensation for risk
M-squared (M²) performance measure
— Rp = portfolio return, Rf = risk-free rate, Rm = market return, σp = portfolio σ, σm = market σ
Beta from correlation and standard deviations
— ρ = correlation with market, σi = asset σ, σm = market σ, Cov = covariance

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Every formula is grouped by official syllabus topic, with the formula in math notation plus a one-line note on when to use it (or a watch-out from CAIA, CFA, or other prep-provider commentary). Coverage is calibrated to the 2026 syllabus and refreshed when the corpus changes.
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