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s
single stock futures
single-employer plan
single-entry bookkeeping
single-life annuity
single-payment loan
Single-Premium Deferred Annuity
single-premium life insurance
sinker
sinking fund
SIPC
SIT
Single-Premium Deferred Annuity
Acronym
for SPDA. A tax-deferred investment plan in which an individual makes a single payment to a mutual fund or insurance firm.