Quick question -- what is "s" in 2s mean?

CFA Level III Fixed Income
#1

With butterflies and condors I’ve noticed for the 2 year, 5 year and so forth that they always mention it as a 2s, 5s, 10s etc.

Why is that? What does that “s” represent?

Thanks

#2

Short form for Treasurys (i.e Treasury securities)

#3

No, they don’t.

They always mention them as 2s, 5s, 10s, etc.

They’re plurals: twos (2-year Treasuries), fives (5-year Treasuries), tens (10-year Treasuries).

#4

Thank you.