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Showing posts with the label Position Sizing

The One-and-Done Rule: What Six SPY Sessions Taught Me About Limiting Trades

Education only. This is a process review from my own journal. No trade calls, no setups to copy, no results promised. Trading involves risk of loss. See the Disclaimer . One trade. Then stop. It sounds too simple to be a rule. That's exactly why it works. In late May and June 2025 I kept running into the same problem in my SPY options journal. The first trade of the day was usually my best-prepared one. The trades after it were where discipline leaked out: chop, frustration, the urge to "make the day." So I started setting a one-and-done goal on certain days, especially Fridays. This post pulls six of those sessions into one review. I've left out the strikes, fills and daily percentages the original posts led with. Those numbers were never the point, and they made the posts read like a scoreboard. What matters is what the rule did to my decisions. What one-and-done means as a written rule Here's how it showed up in my notes, in plain language: ...

One System, One Setup, One Security: 19 SPY Options Sessions Reviewed

Education only. This is a process review from my own journal. No trade calls, no setups to copy, no results promised. Trading involves risk of loss. See the Disclaimer . My first journaled sessions were six SPY options sessions with one contract per trade. You can read about them in color:#5eead4 !important;">Where it started below. After that, I reviewed 19 more sessions. I used one system. One setup. One security (SPY options). Since starting full-time trading in October 2020, I’ve learned that consistency comes from mastering a repeatable process, not chasing big wins. This post reviews the process I followed across 19 sessions. My One System: Discipline Meets Psychology My trading system, refined over years, blends technical precision with psychological control. It’s built on five key processes: Profit/Loss Management Clear rules for taking profits and cutting losses to protect capital. Setup Recognition Identifying defined patterns with strict entry cr...

“If you know the enemy and know yourself, you need not fear the result of a hundred battles. If you know yourself but not the enemy, for every victory gained you will suffer a defeat. If you know neither the enemy nor yourself, you will succumb in every battle.”

— Sun Tzu

“Knowing the enemy enables you to take the offensive, knowing yourself enables you to stand on the defensive. Attack is the secret of defense; defense is the planning of an attack.”

— Chang Yu