"only so low" is a grammatically correct and usable phrase in written English.
It is usually used to express a limit to how low an amount can be. For example, "Gas prices are only so low, so we might have to look for a cheaper form of transportation."
"Home-building can only go so low; house prices only need to fall so far until housing affordability is restored," Mr. Zandi said.
But I knew the city could only go so low.
"I think the goal should be zero, but in a city of 8 million, the reality is you can only go so low," Mr. Safir said in a telephone interview.
You had his opposite number, who has come in for criticism from even the most staunch of ECB line-toers and who could only improve, so low was the esteem in which his cricketing brain is held.
If and when Bitcoin settles down, it will still have one major flaw that means it can't, or at least shouldn't, replace fiat currencies: There is a limit to how many Bitcoins can be produced, meaning its value can only fall so low.
Not only is interest so low as to be meaningless, but, without a charity cheque from a deceased relative or rich parent, my peers will be 62 before they can afford their own home.
While having just 32 percent of your portfolio in stocks means you can lose only so much, that low equity allocation also keeps you from winning big when stocks are on a multiyear tear.
LONDON — If prophets earn no honor in their own land, then pity poor Tony Blair: in modern times few, if any, Britons have soared so high in the eyes of outsiders, principally Americans, only to swoon so low in the scrutiny of their compatriots.
They are at risk not only because yields are so low but also because so many speculators are so heavily leveraged.
