How much is a $100 Series E savings bond from 1966 worth?
Official Treasury redemption values by issue month, September 2026.
savingsbondcheck.com - $100 Series E savings bond issued 1966 - values as of September 2026 - data: U.S. Treasury
Official Treasury value file data
- A $100 Series E savings bond issued in 1966 is worth $487.76 to $512.52 as of , depending on the issue month printed on the bond. That is the official U.S. Treasury redemption value - what a bank pays you today.
- It cost $75.00 when it was bought. Everything above that is interest: up to $437.52 earned so far.
- Matured. This bond stopped earning interest and its value will not increase again. There is no deadline to cash it, but it is losing value to inflation every month it sits.
Every 1966 issue month
Savings bonds issued in different months of 1966 are worth different amounts, because each month's bond has its own rate history. Match the issue date printed on your bond to the row below.
| Issue month | Value now ($100 bond) | Status | Final maturity |
|---|---|---|---|
| January 1966 | $512.52 | Matured | January 1996 |
| February 1966 | $512.52 | Matured | February 1996 |
| March 1966 | $487.76 | Matured | March 1996 |
| April 1966 | $487.76 | Matured | April 1996 |
| May 1966 | $488.08 | Matured | May 1996 |
| June 1966 | $493.12 | Matured | June 1996 |
| July 1966 | $493.08 | Matured | July 1996 |
| August 1966 | $493.08 | Matured | August 1996 |
| September 1966 | $493.08 | Matured | September 1996 |
| October 1966 | $493.08 | Matured | October 1996 |
| November 1966 | $497.84 | Matured | November 1996 |
| December 1966 | $503.40 | Matured | December 1996 |
Other Series E 1966 denominations: $25 · $50 · $75 · $100 · $200 · $500 · $1,000 · $10,000
Source: U.S. Treasury Fiscal Data - Savings Bonds Value Files (v2/accounting/od/sb_value), redemption period 2026-09. Values are published per $25 of face value and scale exactly: a $100 bond is 4x the per-$25 figure.
Frequently asked questions
How much is a $100 savings bond from 1966 worth?
Between $487.76 and $512.52 as of September 2026, depending on the issue month printed on the bond. Find the month in the table above for the exact Series E figure from Treasury's official value file.
What did a $100 Series E bond cost?
$75.00.
Is a 1966 Series E bond still earning interest?
No. Bonds from this year have reached final maturity and stopped earning. They stay redeemable at full value with no deadline.
How do I cash a $100 savings bond?
Take the paper bond and photo ID to a bank that redeems savings bonds, or mail it to Treasury with FS Form 1522. See the how-to-cash guide for what banks require and the tax forms.
All 1966 denominations and the full history: Series E 1966 value table · every year for this denomination: $100 savings bond values · check a specific bond · how to cash it.