Jun

12

An edge can last a long time, but when a paper is published outlining a system with an edge, sagacious people note the edge and start trading that system and natural market forces move that edge to zero. We all know people who have shared their systems and their edge. Regrettably, I've given away a few myself. Once they're shared, in my personal experience, they tend to disappear quickly and may not reappear for a very long time. That's why I would no more give details of my methods than I would give perfect strangers a glimpse into the most private areas of my life. The only consistent edge is to pay the price to have exchange privileges, able to buy at the bid and sell at offers on the inside market. You won't get rich but probably won't get killed either. But then again, I should be talking…….Ceres decided to give me an auto da fe today, with musical accompaniment, and she used a cat of nine tails in 7/8 time.

Jordan Neuman writes: 

Hi Jeff,

Interesting note. I have found that edges go away even when I don't give them away — if I am paranoid, I would think I am in a Truman show. Others start talking about what I discovered eventually, and I also wonder if I discovered it because of what others have talked about previously. Thus, I am not sure if edges go away faster if you discuss them versus the null of not doing anything. I think it also depends on what the edge is…some like the January effect will last a long time because of tax arbitrage while others might fade to equity-like risk/reward and then lack the "natural market forces" to fade further.

Regards,

Jordan


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