Applying YIELD to this, results in 0.05268806713 in Excel, and 0.053332866925242 in LibraOffice Calc.
Excel uses a special formula when there is "one coupon period or less until redemption: https://support.office.com/en-us/article/yield-function-f5f5ca43-c4bd-434f-8bd2-ed3c9727a4fe
Steps to Reproduce:
Results in 0.053332866925242 in LibraOffice Calc.
Results in 0.05268806713 in Excel
User Profile Reset: No
Should have had that same result as Excel.
I can confirm a difference between Calc and Excel in
Version: 126.96.36.199.alpha0+ (x64)
Build ID: ff566c67d67e96c97bcf4064b39df6998733c84e
CPU threads: 4; OS: Windows 10.0 Build 18362; UI render: default; VCL: win;
Locale: ru-RU (ru_RU); UI-Language: en-US
Created attachment 156545 [details]
Example with Yield function
You can open it in MSO and will see another result than in Calc
Should be fixed ASAP. It's very common to buy and sell bonds that mature in less than 6 months.