# SYI - Stable Yield Index is obsolete and replaced with PAY - Pulse Aggregate Yield **URL:** \ **Category:** Products\ **Tags:** in-development\ **Created:** [25 March 2021 09:11 UTC](https://gov.indexcoop.com/t/syi-stable-yield-index-is-obsolete-and-replaced-with-pay-pulse-aggregate-yield/1058 "2021-03-25T09:11:05Z")\ **Posts on this page:** 1\ **Showing post:** 54
**Author:** ![Matthew\_Graham](https://yyz1.discourse-cdn.com/flex027/user_avatar/gov.indexcoop.com/matthew_graham/32/1336_2.png) [@Matthew\_Graham](https://gov.indexcoop.com/u/Matthew_Graham)\ **Post date:** [14 September 2021 06:32 UTC](https://gov.indexcoop.com/t/syi-stable-yield-index-is-obsolete-and-replaced-with-pay-pulse-aggregate-yield/1058/54 "2021-09-14T06:32:51Z")
Hi @Magra The Stable Yield Index has been replaced with the Pulse Aggregate Yield (PAY) product. PAY will find a lot stronger market fit and will be a lot better product for the inclusion of DeFi Pulse. 🙂 Hopefully PAY comes to market soon. > [@IIP-58: Launching Pulse Aggregate Yield (PAY)](https://gov.indexcoop.com/t/iip-58-launching-pulse-aggregate-yield-pay/1969): > > IIP: 58 Title: Pulse Aggregate Yield Status: Proposed Author: Pulse Inc. & @Matthew_Graham Created: 28 July 2021 Simple Summary The Pulse Aggregate Yield (PAY) - [Previously SYI](https://gov.indexcoop.com/t/syi-stable-yield-index/1058) - is designed to capture the best risk adjusted yield on USD stable coins within DeFi. PAY aggregates yield across DeFi into a single ERC20 token that can be readily traded. As part of Index Coop’s DG1 process, this IIP is an opportunity for the Index Coop community to vett the product and signal intent to pursue l… Apologies for any inconveniences with the delay. --- _[View the full topic](https://gov.indexcoop.com/t/syi-stable-yield-index-is-obsolete-and-replaced-with-pay-pulse-aggregate-yield/1058)._