"arguably high" is correct and usable in written English.
It is generally used to suggest that something could be seen as being high, while also leaving room for debate or disagreement. For example, "The price of the item was arguably high, although the quality was excellent."
Similarly, a U.S. financial technology firm may be considered low risk based on its operating region; its sector, however, is arguably high risk given that money laundering and proceeds of crime are central to terrorism finance (see, e.g., National Terrorism Financing Risk Assessment 2015).
The result is arguably high given a recent study showing similar ads sold at $0.27 per thousand impressions last quarter.
Similarly, another example as to why proper implementation of the hybrid model is key, relates to the arguably high level of human reliance on algorithms.
These cases may reflect scenarios in which clinicians anticipate deterioration in oxygenation or otherwise consider PaO2 values as erroneous (e.g., arguably high PaO2 - see Table 4, row PaO2 > 30) or not representative for the current situation of a patient.
It's a solid razor at an arguably high price but after trying multiple alternatives – including the traditional cartridge razors with upwards of seven blades – there is something satisfying about OneBlade.
Arguably high CS rates might not depend upon age or high income, but on higher proportions of smaller tumors in those areas with higher CS rates.
The stakes are arguably highest for the historians.
The defeat was costly yet the stakes were arguably higher for Wigan: the retention of Premier League status means everything to them, in sporting and financial terms.
"[The warning] generates a thumping downgrade in full-year 2016 but leaves us with profits that are less contentious and arguably higher quality in that they generate cash.
This time the injured bodies number 676 -- the combined death toll of the T.W.A., Swissair and EgyptAir flights -- and the stakes are arguably higher than ever.
So who won? And, given that the stakes for Clinton were arguably higher tonight than for Obama, did her performance set her up for wins next week?
