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Comparison of Deposit Account from GSL Savings Bank with 3.25% - November 2025


Long-Term Analysis of Dedham Institution for Savings with 4.25% APY and Needham Bank with 4.00% APY and Needham Bank with 3.40% APY and Needham Bank with 3.50% APY and GSL Savings Bank with 3.25% APY

This analysis is for demonstrative purposes only. Savings rates may go up or down, and CD rates may not be renewable for the length of the term of the analysis.

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$
PRODUCT
BANK
APY
STATE
AMOUNT
TERM
BANK TYPE
VS.NAT.AV.
MIN
  • 1
    LOCAL CD
    Dedham Institution for Savings
    4.25%
    -
    $50,000
    24 Month
    Bank
    6.44x (National Avg. - 0.66%)
    $1,000
     
    SCENARIO
    Year Rate
    4.25%    		 Annual
    Interest    		 Annual Interest
    (After Tax)
    1 50,000 2,125 1,488
    2 52,125 2,215 1,551
    3 54,340 2,309 1,617
    4 56,650 2,408 1,685
    5 59,057 2,510 1,757
    6 61,567 2,617 1,832
    7 64,184 2,728 1,909
    8 66,912 2,844 1,991
    9 69,756 2,965 2,075
    10 72,720 3,091 2,163
    11 75,811 3,222 2,255
    12 79,033 3,359 2,351
    13 82,392 3,502 2,451
    14 85,893 3,650 2,555
    15 89,544 3,806 2,664
    16 93,349 3,967 2,777
    17 97,317 4,136 2,895
    18 101,453 4,312 3,018
    19 105,764 4,495 3,146
    20 110,259 4,686 3,280
    TOTAL $64,945 $45,462
  • 2
    LOCAL CD
    Needham Bank
    4.00%
    -
    $50,000
    12 Month
    Bank
    7.29x (National Avg. - 0.55%)
    $1,000
     
    SCENARIO
    Year Rate
    4.00%    		 Annual
    Interest    		 Annual Interest
    (After Tax)
    1 50,000 2,000 1,400
    2 52,000 2,080 1,456
    3 54,080 2,163 1,514
    4 56,243 2,250 1,575
    5 58,493 2,340 1,638
    6 60,833 2,433 1,703
    7 63,266 2,531 1,771
    8 65,797 2,632 1,842
    9 68,428 2,737 1,916
    10 71,166 2,847 1,993
    11 74,012 2,960 2,072
    12 76,973 3,079 2,155
    13 80,052 3,202 2,241
    14 83,254 3,330 2,331
    15 86,584 3,463 2,424
    16 90,047 3,602 2,521
    17 93,649 3,746 2,622
    18 97,395 3,896 2,727
    19 101,291 4,052 2,836
    20 105,342 4,214 2,950
    TOTAL $59,556 $41,689
  • 3
    LOCAL CD
    Needham Bank
    3.40%
    -
    $50,000
    24 Month
    Bank
    5.15x (National Avg. - 0.66%)
    $1,000
     
    SCENARIO
    Year Rate
    3.40%    		 Annual
    Interest    		 Annual Interest
    (After Tax)
    1 50,000 1,700 1,190
    2 51,700 1,758 1,230
    3 53,458 1,818 1,272
    4 55,275 1,879 1,316
    5 57,155 1,943 1,360
    6 59,098 2,009 1,407
    7 61,107 2,078 1,454
    8 63,185 2,148 1,504
    9 65,333 2,221 1,555
    10 67,555 2,297 1,608
    11 69,851 2,375 1,662
    12 72,226 2,456 1,719
    13 74,682 2,539 1,777
    14 77,221 2,626 1,838
    15 79,847 2,715 1,900
    16 82,562 2,807 1,965
    17 85,369 2,903 2,032
    18 88,271 3,001 2,101
    19 91,272 3,103 2,172
    20 94,376 3,209 2,246
    TOTAL $47,584 $33,309
  • 4
    LOCAL CD
    Needham Bank
    3.50%
    -
    $50,000
    36 Month
    Bank
    4.64x (National Avg. - 0.75%)
    $1,000
     
    SCENARIO
    Year Rate
    3.50%    		 Annual
    Interest    		 Annual Interest
    (After Tax)
    1 50,000 1,750 1,225
    2 51,750 1,811 1,268
    3 53,561 1,875 1,312
    4 55,436 1,940 1,358
    5 57,376 2,008 1,406
    6 59,384 2,078 1,455
    7 61,463 2,151 1,506
    8 63,614 2,226 1,559
    9 65,840 2,304 1,613
    10 68,145 2,385 1,670
    11 70,530 2,469 1,728
    12 72,998 2,555 1,788
    13 75,553 2,644 1,851
    14 78,198 2,737 1,916
    15 80,935 2,833 1,983
    16 83,767 2,932 2,052
    17 86,699 3,034 2,124
    18 89,734 3,141 2,198
    19 92,874 3,251 2,275
    20 96,125 3,364 2,355
    TOTAL $49,489 $34,643
  • 5
    LOCAL CD
    GSL Savings Bank
    3.25%
    -
    $50,000
    18 Month
    Bank
    5.61x (National Avg. - 0.58%)
    $500
     
    SCENARIO
    Year Rate
    3.25%    		 Annual
    Interest    		 Annual Interest
    (After Tax)
    1 50,000 1,625 1,138
    2 51,625 1,678 1,174
    3 53,303 1,732 1,213
    4 55,035 1,789 1,252
    5 56,824 1,847 1,293
    6 58,671 1,907 1,335
    7 60,577 1,969 1,378
    8 62,546 2,033 1,423
    9 64,579 2,099 1,469
    10 66,678 2,167 1,517
    11 68,845 2,237 1,566
    12 71,082 2,310 1,617
    13 73,392 2,385 1,670
    14 75,778 2,463 1,724
    15 78,240 2,543 1,780
    16 80,783 2,625 1,838
    17 83,409 2,711 1,898
    18 86,119 2,799 1,959
    19 88,918 2,890 2,023
    20 91,808 2,984 2,089
    TOTAL $44,792 $31,354

    All calculations are for demonstration purposes only.

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