John wrote:
As you say, when you day-trade, you're working on a micro scale. That
makes sense to me.
Contrary to what most people think (that short term market movement is all noise, or random walk), the micro scale is more reliable to trade. That can be seen in my results - they are highly consistent. The fundamental reason for that in my opinion is the world doesn't change much in the approximately 5-15 minutes it takes me to produce a typical winning trade.
The argument could be made, however, that you can't have an expectation that one stock on a given day will behave nearly identically to a completely different stock on a completely different day. That is true. While there are vague similarities, there are wide differences depending on overall market environment (I've talked about how I minimize that - it's very important to), ownership profile, industry, short interest, profitability, previous days market movement, recent news, etc., and then just random factors such as the wide variation in how investors may react to nearly identical news (for example, in one situation a large institutional investor may decide to dump all shares at the market whereas in another nearly identical situation there are few sellers).
I consider both situations (day trading and longer term trading) to be extremely challenging but the main thing that makes longer term trading more dangerous is that you only get a few shots, so a good trader can still be taken out just due to random factors, whereas with day trading, if you can overcome the higher transaction costs and losses to HFT, hundreds
of iterations will average things out. But either will be a lost cause for the vast majority
of people. I once had a firm lock my account for day trading, not because I was in violation
of any SEC rule, but because they didn't want anything to do with the appearance they were encouraging the churning
of an account, which is notorious for producing losses. That was despite the fact that the account was extremely profitable to that point.
While the periphery breaks down rather slowly at first, the capital cities of the hegemon should collapse suddenly and violently.