Once, when Neudata asked a market data vendor for a requested DDQ, the provider replied that they were a regulated US exchange company, not some new, unproven, or even fly-by-night alternative data provider. While the distinction between the two categories of data is worth noting, as traditional market data compliance differs in both substance and form from alternative data, the fundamentals remain paramount, as the risks are simply distributed differently. The following report speaks to three priority areas for effective market data compliance due diligence.