The exact approach adopted for Strike price and Price Multiplier is IEEE 754 double-precision binary floating-point format: binary64.

Furthermore, according to: http://www.json.org/ the attribute can be constructed as follows:

 

All the following presentations are valid and equivalent:

    • “StrikePrice”:4.5E76
    • “StrikePrice”:4.5E+76
    • “StrikePrice”:4.5e+76
    • “StrikePrice”:4.5e76

The Product Definition documents reflect DECIMAL {15/14} following review of the JSON capacity.

The DECIMAL {15/14} refers to the length of accurate digits and not the actual length of the number.

The DSB will provide accuracy to the 15th digit but if the user submits 64 digits, it will be presented in exponent on the record.

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