How does a Grantor Retained Annuity Trust (GRAT) transfer wealth to heirs with minimal or zero gift tax, and what determines its success?

A Grantor Retained Annuity Trust (GRAT) is an irrevocable trust that transfers asset appreciation to beneficiaries with minimal or zero gift tax by exploiting the difference between the IRS assumed rate of return (Section 7520 rate) and the actual investment performance. If the assets outperform the 7520 rate, the excess passes to heirs gift-tax-free.\n\nHow a GRAT Works:\n\n1. Grantor transfers assets to an irrevocable trust\n2. Trust pays the grantor a fixed annuity for a specified term\n3. Annuity payments are structured to return most or all of the original gift value (plus the 7520 rate)\n4. Whatever remains in the trust at term end passes to beneficiaries\n5. The taxable gift equals the present value of the remainder interest (can be structured to be near-zero)\n\n`mermaid\ngraph TD\n A[\"Grantor transfers $5M
to GRAT\"] --> B[\"GRAT pays grantor
annuity for term
(e.g., 2 years)\"]\n B --> C[\"Year 1: GRAT pays
$2,575,000 annuity\"]\n C --> D[\"Year 2: GRAT pays
$2,575,000 annuity\"]\n D --> E{\"Assets grew faster
than 7520 rate?\"}\n E -->|Yes| F[\"Remainder passes to
heirs TAX-FREE\"]\n E -->|No| G[\"Trust is exhausted
Nothing passes (GRAT fails)\"]\n F --> H[\"Gift tax on remainder:
~$0 (zeroed-out GRAT)\"]\n`\n\nThe 7520 Rate Arbitrage:\n\nThe IRS values the remainder interest using the Section 7520 rate (120% of the mid-term AFR). If the GRAT assets earn more than this rate, the excess is a tax-free transfer. The lower the 7520 rate, the more favorable the GRAT.\n\nAs of early 2026, the 7520 rate is approximately 5.0%. If the GRAT assets return 12%, the 7% excess passes to heirs without gift or estate tax.\n\nWorked Example:\nEleanor Whitfield, age 62, creates a 2-year zeroed-out GRAT funded with $5 million in Whitfield Enterprises stock. The 7520 rate is 5.0%.\n\nAnnuity calculation (zeroed-out = taxable gift approximately $0):\n- Year 1 annuity: $2,561,000\n- Year 2 annuity: $2,561,000\n- PV of annuities at 5.0% = $4,999,800 (approximately $5M, hence near-zero gift)\n\nScenario A — Stock appreciates 25% per year:\n- Year 1 opening: $5,000,000 → grows to $6,250,000 → pays $2,561,000 → balance: $3,689,000\n- Year 2 opening: $3,689,000 → grows to $4,611,250 → pays $2,561,000 → remainder: $2,050,250\n- $2,050,250 passes to Eleanor's children gift-tax-free\n- Gift tax saved: $2,050,250 x 40% = $820,100\n\nScenario B — Stock declines 10% per year:\n- Year 1 opening: $5,000,000 → falls to $4,500,000 → pays $2,561,000 → balance: $1,939,000\n- Year 2 opening: $1,939,000 → falls to $1,745,100 → pays $1,745,100 (all remaining) → remainder: $0\n- GRAT fails — nothing transfers, but no downside (assets return to Eleanor via annuity)\n\nWhy 'Zeroed-Out' GRATs Are Popular:\n\nBy setting the annuity high enough to make the present value of annuity payments equal the initial transfer, the taxable gift is approximately zero. This means:\n- No gift tax is owed regardless of outcome\n- No lifetime gift tax exemption is consumed\n- The only 'cost' is the legal and administrative expense of creating the trust\n- If the GRAT fails (assets underperform), Eleanor gets her assets back through annuity payments\n\nRolling GRATs:\n\nPractitioners often create short-term (2-year) GRATs in sequence — 'rolling GRATs.' As each GRAT pays its annuity, the proceeds fund a new GRAT. This diversifies the timing risk and increases the probability that at least some GRATs will succeed.\n\nMaster estate planning techniques in our CFA Level III course.