Free CFA Level III: Private Wealth Formula Sheet (2026)

Every CFA L3 Private Wealth formula you need on the test, grouped by topic, rendered with full math notation. 101 formulas across 11 topics, calibrated to the 2026 syllabus. Free forever, no signup required.

101 Formulas
11 Topics
2026 Syllabus
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All CFA L3 Private Wealth Formulas

Private Wealth Management Industry 3 items
Effective blended fee rate on a tiered AUM schedule
— f_i = marginal rate in tier i, A_i = assets in tier i, AUM = total assets
Annual advisory revenue from an AUM fee
— AUM = assets under management, f = annual fee rate
Total annual client cost of a wrap program
— f_w = wrap fee, w_f = fund weight, ē = average fund expense ratio
Working With the Wealthy 1 item
Probability of family charter adherence
— P_clarity = process clarity, P_commitment = leadership commitment, P_review = scheduled review frequency
Wealth Planning 5 items
Human capital present value
=expected earnings, r=discount rate.
Total wealth = financial + human capital.
Tax-deferred account accumulation
T_n = tax rate at withdrawal
Contributions pre-tax; all withdrawals taxed as ordinary income
Favorable when future tax rate < current rate
Tax-exempt account accumulation
After-tax contributions; all growth and withdrawals tax-free
Favorable when future tax rate > current rate
Roth IRA / Roth 401(k) structure
Total wealth (holistic balance sheet)
— Financial Capital = sellable assets today, Human Capital = PV of future after-tax wages net of consumption.
Goals-based plan funding ratio
— PV(Assets) = present value of all financial capital, PV(Goal_i) = present value of liability for goal i; >1 means over-funded.
Investment Planning 6 items
After-tax return
For return with mixed income types:
r_PT = pre-tax return, t = tax rate
Core capital estimate
E_t = expenses in year t, r_AT = after-tax return
p_survive,t = probability of surviving to year t
Core capital must be preserved; surplus is investable
Tax-loss harvesting benefit
L=loss harvested, =future gain at lower basis.
Net positive when or long horizon.
Required minimum distribution for the year
— B_{t-1} = prior year-end account balance, LE_age = IRS Uniform Lifetime Table factor for account holder's age
Time-weighted return over n sub-periods
— r_i = return in sub-period i, n = number of sub-periods linked geometrically
Required equity weight on the financial portfolio given human capital
— w = equity weight, W_total = HC + FC, HC = human capital, FC = financial capital
Preserving the Wealth 1 item
Real return from nominal return and inflation
— r_nominal = nominal return, π = inflation rate, r_real = inflation-adjusted return
Advising the Wealthy 3 items
Section 877A exit tax taxable base
— G_MTM = mark-to-market gain on all assets day before expatriation, $821,000 = 2026 indexed exclusion for covered expatriates
QSBS Section 1202 gain exclusion ceiling
— B = original cost basis of C-corp QSBS held >5 years, issuer met $50M gross-asset test at issuance
Stacked QSBS exclusion across non-grantor trusts
— N = number of separate qualifying holders (donor plus non-grantor trusts), B = per-holder basis
Transferring the Wealth 7 items
Estate tax (simple)
t_e = estate tax rate
Taxable estate = gross estate − debts − marital deduction − charitable deduction
Relative value of gift vs bequest
r_g = after-tax return if gifted, r_e = after-tax return if bequested
T_e = estate/bequest tax rate, T_g = gift tax rate
RV > 1 → gifting preferred
Generation-Skipping Transfer (GST) tax
Applies to transfers skipping a generation (grandparent → grandchild).
Separate exemption; dynasty trusts avoid multi-gen estate tax.
CRT charitable deduction as present value of remainder
— C = contribution FMV, f_rem = IRS remainder factor at the 7520 rate over the trust term or life expectancy
CLAT family remainder when assets outperform the 7520 rate
— C = contribution, g = actual return, n = term, A = annual annuity, s = FV annuity factor
Zeroed-out CLAT annual annuity payment
— C = contribution, n = term in years, r = 7520 rate, a = PV annuity factor
529 plan five-year forward-averaging gift limit
— E_annual = per-donee annual exclusion ($19,000 in 2026), yielding $95,000 single or $190,000 couple
Topic 1 23 items
Mean-variance optimal portfolio weight
= risk aversion, = covariance matrix, = expected returns
Corner portfolio blending
,
Blend two adjacent corner portfolios A and B to achieve target return E(R_P)
All blends lie on the efficient frontier
Black-Litterman expected return
Equilibrium:
Blended:
=risk aversion, =mkt cap weights
Portfolio rebalancing trigger (range-based)
Rebalance when:
= target weight, = tolerance band
Wider bands → lower costs, less precision
Correlation-adjusted bands: wider for high-correlation assets
Grinold-Kroner expected equity return
— D/P = dividend yield, ΔS = net share issuance, g = nominal earnings growth, Δ(P/E) = repricing
Taylor rule policy rate
— r* = neutral real rate, π = inflation, π* = inflation target, y - y* = output gap
Covered interest rate parity
— F = forward rate, S = spot rate, i_d = domestic interest rate, i_f = foreign interest rate
Fixed-income expected return building blocks
— r_f = real risk-free rate, π^e = expected inflation, TP = term premium, CP = credit premium, LP = liquidity premium
Expected fixed-income return decomposition
— YTM = yield to maturity, ΔP = price change from curve shift, L = expected losses
GARCH(1,1) variance forecast
— ω = long-run vol anchor, α = weight on last squared shock, β = weight on prior variance estimate
Singer-Terhaar blended risk premium
— w = integration weight, σ = asset vol, ρ = correlation with global portfolio, SR_g = global Sharpe ratio
TAA permitted weight range around SAA
— w_SAA = policy weight, b = IPS-defined TAA band (e.g., ±5%)
Net after-cost tactical premium
— α_gross = expected gross tactical alpha, TC = transaction costs, T = realized tax cost
Stress liquidity coverage ratio
— minimum prudent target ≥ 2x for illiquid-heavy portfolios
Endowment spending rate
— s = spending rate (e.g., 5% = $40M on $800M)
Number of correlation inputs required for MVO
— n = number of asset classes; MVO also needs n expected returns and n standard deviations
Pension funded ratio
— A = market value of plan assets, L = present value of liabilities (e.g., PBO)
Dollar duration of a portfolio or liability
— MV = market value (or PV of liabilities), D = modified or effective duration; used to size LDI hedges
Pension surplus
— A = market value of plan assets, L = present value of liabilities; surplus optimization maximizes return on S
Mean-variance utility function
— E(R_p) = expected portfolio return, λ = risk aversion coefficient (1-10), σ_p² = portfolio variance
Geometric mean approximation from arithmetic mean and variance
— G = geometric (compound) mean return, A = arithmetic mean return, σ² = variance of returns
Total MVO inputs required for n asset classes
— N = total inputs, n = asset classes; counts n expected returns, n standard deviations, n(n-1)/2 correlations
Roy's safety-first ratio
, where is the minimum acceptable (threshold) return. The optimal portfolio maximizes SF; under normality this minimizes the probability of a return below .
Topic 2 26 items
Marginal Contribution to Risk (MCTR)
Measures risk added by a small increase in asset i's weight
Absolute Contribution to Risk (ACTR)
(contributions sum to total portfolio risk)
Risk budget = set target ACTRs
Tracking error
Also called active risk or tracking risk
Annualized:
Implementation shortfall (decomposition)
— explicit = commissions/fees; delay = decision-to-desk drift; impact = price move from trade; opportunity = unfilled-share return.
Square-root market impact model
— shares = order size, ADV = average daily volume; doubling order size raises impact by ~41%, not 100%.
VWAP transaction cost (buy and sell)
; — positive = unfavorable; VWAP = period volume-weighted average price.
Effective equity beta from a PE allocation
— w_eq = public equity weight, w_PE = PE weight, β_PE ≈ 1.3 (PE equity beta)
Effective PE allocation including unfunded commitments
— NAV = PE net asset value, UC = unfunded commitments, P = total portfolio value
Liquidity coverage ratio for an alternatives program
— L = liquid assets, CF_{12m} = next-12-month committed cash outflows (capital calls + benefits)
Total PE economic exposure
— NAV = net asset value of PE holdings, UC = unfunded capital commitments
Endowment real return target
— s = spending rate, c = management cost ratio
Insurer duration-matched immunization
— D_A = asset duration, A = assets, D_L = liability duration, L = liabilities
Foundation minimum nominal return target
— 0.05 = 5% IRS minimum distribution floor, c = costs, π = inflation
DV01 (price value of a basis point)
— D_mod = modified duration, MV = market value of the bond/portfolio
Active share of an equity portfolio
— w_{p,i} = portfolio weight in stock i, w_{b,i} = benchmark weight in stock i, N = combined universe
Required pre-tax nominal return for a private client
— S = spending need, I = other income, V = portfolio value, π = inflation, t = tax rate, f = advisory fees
Leveraged portfolio return on equity
— r_i = asset return, r_B = borrowing cost, V_B = borrowed value, V_E = equity
Human capital as present value of future labor income
— w_t = expected labor income in year t, r = risk-adjusted discount rate, N = remaining working years
Real after-tax return approximation
— r_nom = nominal return, π = inflation rate, t = tax rate on nominal gain
Modified duration from Macaulay duration
— D_Mac = Macaulay duration, y = periodic yield to maturity
Taxable-equivalent yield on a municipal bond
— y_muni = muni pretax yield, t = investor's marginal tax rate
Economic net worth
; FC = financial capital, PV(HC) = PV of human capital, PV(L) = PV of liabilities, PV(C) = PV of future consumption needs
SWF stabilization sub-fund sizing rule
— f = fiscal dependence on commodity, G = annual government spending, n = years of shortfall coverage
Norway-style SWF fiscal transfer (spending) rule
= expected real return (~3%), = fund market value; principal preserved
Commodity SWF energy-sector exposure cap
= benchmark energy weight, = transition-risk tilt (e.g., 30%) to offset inflow correlation
SWF maximum single-year withdrawal under charter cap
— c = charter cap (e.g., 5%), = 3-year average AUM
Topic 3 12 items
Downside deviation (Sortino denominator)
Standard deviation of returns below the minimum acceptable return only
Penalizes bad volatility; upside dispersion is ignored
Maximum drawdown
Largest peak-to-trough decline over the evaluation period
Captures the worst realized experience that volatility metrics smooth over
Drawdown duration
Time from the portfolio's peak until it recovers that prior peak
Measures how long the portfolio stayed underwater
Long durations test investor patience and can force liquidation at the bottom
Appraisal ratio
= alpha from a factor regression, = residual (security-specific) risk
Alpha per unit of active bet taken; denominator is residual risk, not tracking error
Brinson allocation effect
— w_p = portfolio sector weight, w_b = benchmark sector weight, R_b,i = sector benchmark return, R_b = total benchmark return
Fixed-income attribution components
Total active return = duration effect + curve effect + credit (spread) effect + currency effect + residual
Duration = parallel moves, curve = steepening/flattening/butterfly, credit = spread changes, currency = FX
A large residual signals a broken attribution model
Sortino ratio
— R_p = portfolio return, MAR = minimum acceptable return, σ_d = downside deviation of returns below MAR
Brinson selection effect
— w_b = benchmark sector weight, R_p,i = portfolio sector return, R_b,i = benchmark sector return
Downside capture ratio
— averaged over periods when benchmark return is negative; <100% means manager dampens losses
Upside capture ratio
— averaged over periods when benchmark return is positive; >100% means manager amplifies up markets
Up/down capture ratio
— ratio above 1.0 indicates favorable asymmetry
Symmetric performance-based fee
— Base = base fee, s = sharing rate, R_p = portfolio return, R_b = benchmark return
Topic 4 14 items
Delta of call and put
Call:
Put:
Put-call:
Approx change in option price for $1 change in underlying
Protective put payoff
At expiration:
=
Profit = Payoff − (S_0 + p), where p = put premium
Limits downside while preserving upside
Collar payoff at expiration
Long stock + long put (X_L) + short call (X_H)
Payoff:
=
Limits gains above X_H, protects below X_L
Covered call payoff at expiration
Long stock + short call (X)
Payoff:
Profit = Payoff − S_0 + c (c = call premium received)
Caps upside; enhances income in flat/down markets
Number of bond futures to adjust portfolio duration
— DD_T = target dollar duration, DD_P = current dollar duration, DD_f = dollar duration per futures contract (BPV adjusted by conversion factor)
Variance notional converted from vega notional
— N_vega = vega notional ($ per vol point), σ_strike = strike volatility in whole-number percent
Variance swap payoff at maturity
— N_var = variance notional, σ_realized = realized volatility (%), σ_strike = strike volatility (%)
Number of equity futures to adjust portfolio beta
— β_T = target beta, β_P = current beta, β_F = futures beta, V = portfolio value, P_f = futures price, m = multiplier
Roll yield on a currency forward hedge
— F = forward rate, S = spot rate; approximately equals domestic minus foreign interest rate
Minimum-variance hedge ratio (MVHR)
— A = asset hedged, B = hedging instrument, ρ = correlation, σ = volatility
Domestic-currency return on a foreign asset
; R_FC = foreign asset return, R_FX = % change in exchange rate (domestic per foreign); the approximation R_FC + R_FX drops the cross-product, material when either exceeds 5-10%
Maximum loss on short stock plus long call (synthetic long put)
— K = call strike, S_0 = short entry price, C_0 = call premium paid
Long straddle breakeven prices
— K = common strike, C_0 = call premium paid, P_0 = put premium paid
Put-call parity
— S = stock price, P = put premium, C = call premium, K = strike, PV(K) = present value of strike

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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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