Bank Smarter and Earn More

If you're looking for a savings account with competitive interest rates, a Prosper Money Market Savings Account may be right for you.

Partner with Westfield Bank and discover the savings account designed to meet your banking needs. Open a Prosper Money Market Account, and for the first 180 days earn a 5.25% * interest rate.

prosper savings chart


*Annual Percentage Yield (APY). Minimum balance to open this account is $25,000.00 in new money (money not currently on deposit with Westfield Bank). For 180 calendar days after account opening (promotional period), this account will have introductory fixed - interest rates (promotional rates) on all interest rate tiers. After the promotional period ends, the rates for all interest rate tiers will change to non-promotional variable interest rates. Currently the non-promotional rates based on account balance are as follows: 0.35% interest rate /0.35% APY for balances from $0.00 to $49,999.99; 0.45% interest rate /0.45% APY for balances from $50,000.00 to $499,999.99; 0.55% interest rate /0.55% APY for balances of $500,000.00 and higher. Interest rates and APYs are accurate as of October 16th, 2023. Variable rates may change at any time without notice. Fees could reduce earnings on this account. This is a limited time promotion which is subject to change or cancellation at any time without notice.