Today’s main lesson is simple: mental capital is trading capital. When I’m tired, distracted, or not processing information at my normal speed, my decisions can suffer—even if the chart setup looks familiar.
I knew I was moving more slowly than usual, so I reduced my size. That was the right adjustment. But on QQQ, I made an execution mistake: I meant to add to my position and accidentally closed it instead. I got back in and managed the trade, but the mistake still contributed to a loss of about $1,829.
The lesson isn’t that mistakes are unavoidable, or that a loss should be ignored. It’s that I need to recognize when I’m not at full capacity and adjust before I put risk on. Smaller size limits the damage if my execution slips. On a day when focus or processing speed is clearly below normal, sitting out may be the better choice.
I also passed on long setups where I couldn’t identify a clean place to manage risk. A trade can look tempting and still be a poor decision if I don’t know where I’m wrong or the potential reward doesn’t justify the risk. Patience is part of protecting capital, too.
The SPY trades showed the value of working a clear setup with a plan. I traded around important levels, took profits as price moved, and avoided relying on one perfect entry. That process depends on being able to make deliberate decisions—another reason my mental state matters.
Before you trade, check in with yourself as carefully as you check the chart. Ask whether you’re rested, focused, and ready to execute. If the answer is no, reduce your size or step away. Protecting your mental capital helps protect your account.