Monthly Fund Report February 2026

2026 February Performance Report

Brawler Logic System Trading (Version 17.5)

Korean Stock Market: +7.26%

U.S. Stock Market: +1.05%

Period: Jan 31, 2026 – Feb 28, 2026 (Closing Prices)

Summary

February 2026 is summarized as

"The Brawler System made some money,
but it couldn't run as fast as the overall market this February.".

U.S. Stock Market

In the U.S., the Nasdaq 100 did a bit worse, while the Russell index did okay. The Chinese market was not good, but Emerging Markets were the opposite and did well.

I missed two trades because I was away on a business trip (it was impossible to wake up in the middle of the night there). I was very lucky because the market went down during the times I couldn't trade.

Brawler System Return : +1.81%
US Stock Market Benchmark : +2.73%

US Stock Market Benchmark :
- SPY & 4 other stocks : -0.82%

Korean Stock Market (February 2026)

Following last month, the Korean market continued to go up very strongly.
I first started trading stocks in 1998 at LG Investment & Securities.
In about 30 years since then, I have never seen the market rise this much.

Brawler System Return : +7.26%
Korean Stock Market Benchmark : +11.08%

Korean Stock Market Benchmark :
- KODEX KOSDAQ150: +0.4%
- KODEX 200: +21.75%

Brawler System Logic Change

In February, our Machine Learning model performed better than our old model that only looks at the past. We will not change the logic in March and plan to keep this same pace.

The COVID-19 crash happened 6 years (72 months) ago. Now, many "Quant" experts are starting to remove that old data from their systems. I remember when face masks were very hard to find back then!

[Past Reports]

Monthly Fund Report January 2026
Monthly Fund Report February 2026
Monthly Fund Report March 2026 - Brawler’s Grit in the Fog of War

Comments

The Headfake of July to August 2025

제목 : 2025년 7~8월의 헤드페이크 Title : The Headfake of July to August 2025 -------- 헤드페이크 Headfake 농구용어로 머리를 움직여서 수비수를 다른 방향으로 움직일거라 예상하게 만들고 원래 방향으로 움직이는 것 in basketball, a head movement that makes your opponent think you are going to move in a particular direction when you are really going to move in a different direction 트레이딩에서는 특정 방향으로 움직이려다 다른 방향으로 움직이는 것 In trading, it refers to appearing to move in one direction but actually moving in the opposite direction. -------- 2025년 7월부터 8월까지 한국시장 추세추종로직에서 매우 많이 헤드페이크를 당했다. From July to August 2025, the Korean market's trend-following logic experienced a significant number of headfakes. 상승하려다 하락하고 추세추종 로직은 상승에 롱포지션 진입해서 하락에 손실 It appeared to rise but then fell. The trend-following logic entered long positions expecting a rise, resulting in losses when the market fell. 하락하려다 상승하는데 추세추종 로직은 하락에 숏포지션 진입해서 상승에 손실 It appeared to fall but then rose. The trend-following logic entered short positions expecting a fall, resulting in losses...

My Old Laptop is Getting Tired

I use an old ThinkPad T530 for my Brawler System Trading People call it a "dinosaur" because it is so old. I keep it running 24 hours a day. It restarts itself every morning to stay fresh. What This Laptop Does This old friend works very hard for me: Korean Stock Market: It runs YesTrader from 09:00 to 15:30. US Stock Market: It handles trades from 16:00 to 05:00 the next day. It follows my rules and places orders all day and night. Signs of Aging Recently, the laptop has been acting up. The USB for my Arduino stops working. The CD drive causes the system to crash. Sometimes, it just turns off for no reason. But when I get home, I turn it off and back on. Then, it works perfectly again! I still trust it, but I did remove the CD drive to help it run better. Now, every time I press the power button, I pray it stays safe. It is running so smoothly that I've already forgotten about the previous errors. Looking Ahead I already have a backup laptop, a T580. Once the br...

장비도 같이 늙어가고 있습니다.

매매 주문을 하는 PC는 오래된 씽크패드 T530 입니다. 아주 오래된 노트북이라고 불리는데요. 24시간 켜두고 있습니다. 매일 새벽 스케줄에 따라 재부팅하며 한국주식시장의 주식 매매를 위해서 예스트레이더를 실행하여 09:00부터 15:30 까지 조건에 맞는 주문을 하는 친구입니다. 그리고 미국주식시장의 주식 매매를 위해서 16:00~다음날 05:00 까지 조건에 맞는 주문을 하는 친구입니다. 최근 노트북이 가끔씩 오류를 내고 있습니다. 연결해둔 아두이노 레오나르도의 USB 가 다운되며 안켜지고 CD롬 오류로 뜬금없이 다운되고 이유 없이 다운되고 있었는데요. 퇴근하고 완전히 껏다가 다시 켜면 쌩쌩하게 동작해서 다시 믿음을 줍니다. 이제는 방해가 되는 ODD CD롬도 빼버렸네요. 전원버튼을 누르며 안전하게 동작만 해달라고 기도하고 있습니다. 그리고 오류를 냈던 것을 잊을만큼 다시 생생하게 작동을 하고 있습니다. 백업용 노트북도 T580도 준비 해두었는데 증권사의 윈도우10 지원이 끝나면 이제는 이전해야겠습니다.

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