BS25117E 6-Month T-Bill Auction Results vs Projection

This Opinion post first appeared in my blog here: https://pwlcm.wordpress.com/2025/08/28/bs25117e-6-month-t-bill-auction-results-vs-projection/

Disclaimer: This post is just for educational sharing purposes. Please do your own due diligence on any products mentioned in this post.

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Refer to BS25117E 6-Month T-Bill Yield Projection for the projection:

Yield Premium Projection:
Projected Cut-Off Yield = 1.44%, ranging from 1.38% to 1.50%

Polynomial Trendline Projection:
Projected Cut-Off Yield = 1.97%, ranging from 1.45% to 2.45%

My projected yield was 1.44%.

Today (28 August 2025) the auction results for BS25116A was released here:
https://www.mas.gov.sg/bonds-and-bills/auctions-and-issuance-calendar/auction-t-bill?issue_code=BS25117E&issue_date=2025-09-02

BS25117E Cut-Off Yield is 1.44%, exactly as my projected yield from Yield Premium Method.