“MMY SOFR” column, the TBill Money Market Yield spread to its matched maturity SOFR rate, has been added to Sprd/Bfly for bills. It is also available as a time series for specific bills in Historical Viewer.
![](https://static.wixstatic.com/media/f9d22c_738f050ca5ea4665b2292a5e157d3930~mv2.png/v1/fill/w_112,h_40,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/f9d22c_738f050ca5ea4665b2292a5e157d3930~mv2.png)
Note: Traders can add and arrange columns from “Table” – “Manage Columns”.
In the screenshot below, see how to select the time series in the Historical Viewer.
![](https://static.wixstatic.com/media/f9d22c_8990ee2f3cce488286b7cc6e4a433f08~mv2.png/v1/fill/w_84,h_25,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/f9d22c_8990ee2f3cce488286b7cc6e4a433f08~mv2.png)