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A Single Premium Deferred Annuity is an annuity contract you fund with one lump-sum payment upfront. The money grows tax-deferred inside the contract, and you defer income distributions until a later date, typically retirement. You make no additional contributions after the initial deposit. The word "single" refers to the one-time funding event, and "deferred" means you are not taking income immediately. You are building an asset now to draw on later.
Think of an SPDA like planting a tree with a single watering: your contribution goes in once, and the growth compounds over time until you harvest.
Every SPDA operates in two sequential phases. During the accumulation phase, your lump sum earns returns inside the contract on a tax-deferred basis. You pay no income tax on interest, dividends, or capital gains while they remain in the annuity. This compounding advantage is the primary reason investors choose annuities over taxable accounts for certain retirement assets.
During the annuitization phase, you begin taking distributions. At that point, earnings are subject to ordinary income tax as they are withdrawn. If you take distributions before age 59½, you may owe an additional 10% early withdrawal penalty to the IRS in addition to ordinary income tax.
SPDAs come in three structural variants, each with different growth and risk profiles.
Annuities are funded with after-tax dollars in most cases. When you eventually withdraw funds, only the earnings portion is taxable. The portion representing your original premium comes back to you tax-free because you already paid tax on it. Annuity contracts track this through the cost basis, which equals your original premium.
Annuities are not subject to annual contribution limits the way IRAs and 401(k)s are. You can deposit any amount in a single premium, which makes SPDAs useful for investors who receive a large lump sum, such as a lawsuit settlement, inheritance, or proceeds from a business sale, and want to defer taxes on the growth.
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With deep roots in traditional finance and the digital asset industry, Acquire.Fi operates as a specialist M&A advisory firm. Coverage spans M&A, secondaries, OTC, and capital markets advisory across digital assets and frontier tech. Decades of combined experience across every stage of the deal lifecycle.
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