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I think the most likely scenario is that Putin really is a thief and Kraft is a pussy who didn't say anything at the time but now wants to whine about it 8 years later. A pox on both their houses. BTW why would Kraft take off his ring to show it to somebody? Wtf, it's invisible if he's...

Hi, George Please tell me what are the position sizing options you have in AB. Thanks.

:) Ralph Vince used to post here. It seems his answer for when anyone would ask him to explain optimal-f was always "Buy my $40 book." Nuff said.

And how would you know that, given that you need a translator?

I asked you first.

See? This always happens. Somebody here starts singing the praises of optimal-f, then somebody else asks why is optimal-f superior to Kelly or how do you calculate optimal-f ... and the answer is always the same: TOTAL SILENCE I think all of us who aren't for whatever reason...

Translate an entire book!? Just out of curiosity, how much are you willing to pay?

Just for laughs, let's try this the contrary way. SAS' == 4*bk*max[ 0, E ]*OZ*min[ 1, N/1000 ] , where bk == the Bad Kelly fraction bk(A) = .55 - .45/(433/407) = 0.127 bk(B) = .1 - .9/(1000/50) = 0.055 bk(C) = .001 - .999/(100,000/45.05) = 0.00055 E(A) = $55/$407...

Ri is the return (%/100) of the i'th trade. For example, if the 37th trade concludes in a loss that is 52% of the 37th trade size, then R37 = -0.52

http://www.elitetrader.com/vb/showthread.php?s=&threadid=273740

Never exceed your Kelly fraction. Kelly for traders

Of course if a trader figures out how to calculate the Kelly fraction independent of p, that will alleviate this concern. Certainly solving the Kelly equation head-on, however odious that may seem, doesn't involve any side calculations of p or other summary statistics. And the Kelly...

Bingo! Somebody gets it. :) I've tried repeatedly to direct the OP to the "Bad Kelly" thread which explains all of this but apparently he simply refuses to go there. You can lead a horse to water etcetera. One last word: just because a formula has been copied and pasted to a lot of...

From what I understand, figuring out optimal-f is a complicated process. Perhaps I've heard wrong. How do you calculate optimal-f? Thanks.

Here is the final version of the System Achievement Score : SAS == 4*k*max[ 0, E ]*OZ*min[ 1, N/1000 ] I will apply it to all three setups -- designated A, B and C by abattia -- discussed in this thread. First we have to pick a constant trade size for all three setups. $500 is a...

It has been pointed out to me that what I described is not, strictly speaking, the profit factor. The profit factor (PF) is the ratio of gross profits ($) to gross losses ($). What I described above (the ratio of the sum of all positive returns to the absolute value of the sum of all...

I have pisspoor on ignore so never see his nonsense unless somebody quotes him, like you did here. "Plants are doing better since CO2 has increased. Crop yields have benefitted from more CO2. It's a fact." The real facts are that crop yields are up far more thanks to crop rotation...

Plants were doing just fine before industries started dumping megatons of fossil fuel waste gases into the air. Besides I question your concern about the plants when the fact that forests are being turned into parking lots gets only yawns or applause from your ilk.

Do you even try to think before you post? CO2 is required for plant life, not animal life. Are you a plant? CO2 is a waste product to animals, making it little different scientifically speaking than urine and feces. If somebody started increasing the urine and feces content of your food...

Yes, PF = 2 for system [ -1, +2 ].