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Academics & Research

academics

Academics & Research

One of our primary objectives in making Prosper market data fully transparent and freely available is to permit and encourage anyone to study the Prosper market. We deeply appreciate the diligence so many have contributed using Prosper's marketplace data. We are also very encouraged that an increasing number of academics, economists, and professional credit analysts have taken the time to conduct deep studies of the market and share their conclusions publicly.

You may access Prosper's public site data in a downloadable format on the developer tools and data mining resources page. If you have questions or require assistance, please send an email to academics@prosper.com. We welcome your inquiries and expertise.

Prosper, Prosper.com, and the Prosper logo are registered trademarks or service marks of Prosper Marketplace, Inc. Copyright © 2005-2012 Prosper Marketplace, Inc. All rights reserved.

All personal loans are made by WebBank, a Utah-chartered Industrial Bank. All Prosper personal loans are unsecured, fully amortized personal loans.

Notes offered by Prospectus. Notes investors receive are dependent for payment on personal loans to borrowers. Not FDIC-insured; Investments may lose value; No Prosper or bank guarantee. Prosper does not verify all information provided by borrowers in listings. Investors should review the prospectus before investing.

* Seasoned Return calculations represent historical performance data for the Borrower Payment Dependent Notes ("Notes") issued and sold by Prosper since July 15, 2009. To be included in the calculations, Notes must be associated with a borrower loan originated more than 10 months ago; this calculation uses loans originated through May 31, 2011. Our research shows that Prosper Note returns historically have shown increased stability after they've reached ten months of age. For that reason, we provide "Seasoned Returns", defined as the Return for Notes aged 10 months or more.

To calculate the Return, all payments received on borrower loans, net of principal repayment, credit losses, and servicing costs for such loans, are aggregated and then divided by the average daily amount of aggregate outstanding principal. To annualize this cumulative return, it is divided by the dollar-weighted average age of the loans in days and then multiplied by 365.

All calculations were made as of March 31, 2012. Seasoned Return is not necessarily indicative of the future performance on any Notes. In September 2011, an independent accountant examined and attested to Prosper Marketplace, Inc.'s calculation methodologies for measuring historical investment returns.

** Based on one year personal loans made to first time borrowers with an AA Prosper Rating. To qualify for an AA Prosper Rating, applicants must have excellent credit and meet other conditions. APRs by Prosper Rating range from 6.59% (AA) to 35.84% (E) for first time borrowers. Repeat borrowers may qualify for discounted rates. Rate offered is based on Prosper Rating and other factors, and your actual rate may differ. Eligibility for a loan is not guaranteed and requires that a sufficient number of investors commit to fund your loan. Refer to Borrower Registration Agreement for all terms and conditions. All loans made by WebBank, a Utah-chartered Industrial Bank.