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>You joke, but trading on insider information means revealing that information. Are you joking here? Let's say, hypothetically, Apple CEO buys a lot of stock t

>You joke, but trading on insider information means revealing that information. Are you joking here? Let's say, hypothetically, Apple CEO buys a lot of stock today. When you learned that fact, did you learn the facts that motivated him to buy the stock? NO. Absolutely, purely, unarguably NO. Not unless you spoke to him directly and he told you.... truthfully. This is not a joke. The NSA, or any spy, having access to "all" digital information, can easily differentiate between false and true information, or at least have the opportunity. But you, as an individual, can only act on what is shared directly with you. Making trades does not share any information beyond the fact that the trade was made.

dllthomas 11y ago
"When you learned that fact, did you learn the facts that motivated him to buy the stock? NO. Absolutely, purely, unarguably NO." A more charitable (and, as it happens, accurate) reading of the parent's comment is that trading on insider information means revealing some of that information. It's obvious and unarguable that this is not all of that information, but as I've said in other contexts, you're always leaking more information than you think. It's often surprising what can be inferred when a few pieces of information are combined.