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Ä̸® ¹æÁ¤½Ä, Kelly criterion, º£Æà ±Ô¸ð °áÁ¤Çϱâ

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¿µ¾î·Î´Â Kelly criterion, Kelly strategy, Kelly formula, Kelly bet µîÀ¸·Î Ç¥Çö.

¹Ì±¹ÀÇ ¼öÇÐÀÚ Ä̸®(J. L. Kelly)°¡ 1956³â¿¡ ¹ßÇ¥ÇÑ °ø½Ä. Ž¿åÀÇ °ø½ÄÀ̶õ º°¸íÀÌ ÀÖ´Ù.

Ä̸®´Â º§ ¿¬±¸¼Ò¿¡¼­ ±Ù¹«ÇÏ´ø ¿¬±¸¿øÀ̾ú´Âµ¥, ¾î¶² Àü¼Û ä³ÎÀÌ °¡Áú ¼ö ÀÖ´Â ÃÖ´ë ¼Óµµ¸¦ ¿¬±¸ÇÏ´Ù°¡ ÀÌ °á°ú¸¦ ³»³õ¾Ò´Ù. Ä̸® Àڽŵµ 1956³âÀÇ ³í¹®¿¡¼­ µµ¹Ú ȤÀº ÁÖ½ÄÀ» ÇÒ ¶§ ¾ó¸¶¸¸Å­ÀÇ ÀÚ±ÝÀ» ÅõÀÔÇØ¾ß Çϴ°¡¿¡ °üÇÑ ¹æÁ¤½ÄÀ¸·Î Çؼ®Çϱ⵵ Çß´Ù.

ÆÐ¹è ½Ã º£Æà ±Ý¾× Àüü¸¦ ³¯¸®°í, ½Â¸®½Ã º£Æñݾ×*¹è´ç·üÀ» ȹµæÇÏ´Â ´Ü¼øÇÑ º£ÆÃÀ» »ý°¢Çغ¸¸é, Ä̸® °ø½ÄÀº ¾Æ·¡¿Í °°´Ù

f = (b*p-q)/b = (p*(b+1)-1)/b

f : º£ÆñԸð (º¸À¯ÀÚ±Ý ´ëºñ º£Æñݾ×ÀÇ ºñÀ²)
b : ¼ø¹è´ç·ü (10À» º£ÆÃÇÏ°í ½Â¸®ÇÒ °æ¿ì ¼øÀÌÀÍ 4 À϶§, 0.4)
p : ½Â¸® È®·ü
q : Æйè È®·ü (=1-p)

ÀÔÃâ·ÂÀ» (%) ·Î º¯°æÇÏ¸é ´ÙÀ½°ú °°´Ù.

f = (((p/100)*((b/100)+1)-1)/(b/100))*100 = (p*(b+100)-10000)/b

*** Âü°í¹®Çå[References] ***

https://namu.wiki/w/%EC%BC%88%EB%A6%AC%20%EB%B0%A9%EC%A0%95%EC%8B%9D
https://en.wikipedia.org/wiki/Kelly_criterion
f = (p*(b+100)-10000)/b
ÀÛ¼ºÀÚÀÇ ¼ö½Ä±×¸²ÀÌ ¾ø½À´Ï´Ù. No picture for this formula
º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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