Why treasury bill?

[neonlight]

Online info says that the current 1 year treasury yield as of June 13, 2019 is 2%, why do people want to buy treasury when the yield is less than USD term deposits savings in some big commercial banks. I deposited a annual fixed term deposit in Standard Chartered Hong Kong and it is yielding me 2.4% with some smaller banks giving me 3.05% in Singapore.

[Paul der Krake]

Bonds have potential for price appreciation. Bank deposits don't.

[Another Reader]

No state income tax on treasury interest. 

[neonlight]

No state income tax on treasury interest.

Thank you.

Two observation
1) even with statement of, say 30% the fixed term deposit still beat bills most of the times.

2) there is no capital gain tax in Hong Kong and Singapore which is where I place my termed savings

[neonlight]

Bonds have potential for price appreciation. Bank deposits don't.

I am comparing fixed termed deposits (might be call timed deposits in US) to bills. Not bonds

[Another Reader]

Four week Treasury notes bought at auction this week paid 2.27 percent annualized.  No state income tax.  I buy them through Fidelity.  CD's here are 2.6 to 2.8 percent for a one year term directly from various institutions.  I do both, depending on the need for liquidity.