The 3 Mistakes That Cost Me $12,000 in My First Year of Trading
Starting out as a trader, I thought I was different. I'd read the books, watched the YouTube videos, and paper traded for a whole two weeks. Spoiler: I wasn't different. Here are the three mistakes that cost me $12,000 in my first year.
Mistake 1: No Stop Losses
I know, I know. Everyone says "always use a stop loss." But when you're in the trade and it's going against you, there's this voice that says "it'll come back." That voice cost me $4,200 on a single TSLA trade. The stock dropped 8% and I held through all of it, convinced it would bounce.
The fix: I now set my stop loss BEFORE entering the trade. It's part of my pre-trade checklist. If I can't define my risk, I don't take the trade.
Mistake 2: Overtrading
In my first month, I took 147 trades. That's roughly 7 trades per day. I was trading out of boredom, excitement, and FOMO. My win rate was 41% but the commissions and spread ate me alive. Net result: -$3,800.
The fix: I now have a strict 3-trade-per-day maximum. If I hit it, I'm done. Quality over quantity. My win rate jumped to 58% just by being more selective.
Mistake 3: Position Sizing Like a Gambler
Some trades I'd risk $50, others I'd risk $2,000. There was no consistency. My winners were small and my losers were massive because I'd size up on the trades I was "sure about" (which were usually the worst ones).
The fix: Every trade now risks exactly 1% of my account. No exceptions. This single change probably saved my trading career.
The Takeaway
These mistakes are embarrassingly common. But the difference between traders who survive and those who blow up is whether they learn from them. Track your trades, review your data, and be honest with yourself. The market will teach you — the question is whether you can afford the tuition.
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