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DamonHD
on Sept 21, 2023
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64-bit bank balances ‘ought to be enough for anybo...
Profit/margin was not larger than the ulp for single-precision float values for derivatives by the time I got there, so we all were using doubles.
The rounding-for-settlement issue that you describe is, I think, separate.
fancyfredbot
on Sept 28, 2023
[–]
Single precision ulp is one part in ten million? I'm not sure which derivatives you worked with but that's an exceptionally small profit margin. For most derivatives a margin of one part in ten thousand would be considered small.
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The rounding-for-settlement issue that you describe is, I think, separate.