Sun Tzu's 'Know Your Enemy' Is the Ultimate Investor Edge
Most investors study the asset. Almost none study the adversarial forces working against their position. That gap is where edge lives.
Know your enemy and know yourself; in a hundred battles, you will never be defeated.
— Sun Tzu · The Art of War
That quote is 2,500 years old and still violated by the majority of retail investors every single day.
The average investor studies the asset. They read the whitepaper, watch the chart, follow the founder on X, and load up on price action indicators. That's knowing yourself — or more precisely, knowing your thesis. What they almost never do is study the adversarial forces working against their position in real time.
Markets are not cooperative environments. They are zero-sum arenas with sophisticated actors on every side. The moment you forget that, you're the mark.
The Cooperation Illusion
Here's the mental model error that costs retail investors the most money: they approach markets with a cooperation frame. They think of buying a coin or a stock as participating in something — joining a community of believers, backing a vision, riding a trend.
That's not wrong, exactly. But it's dangerously incomplete.
While you're cooperating, someone else is adversarially positioning. Short sellers are studying your conviction patterns. Market makers are managing order flow to their advantage. Institutional desks are accumulating before announcements, distributing into your retail FOMO, and exiting before the correction your indicators don't catch yet.
The first mental model shift required to trade with an edge is this: rewire from cooperative to adversarial framing. You are not joining something. You are entering a battlefield where other actors have more capital, more information, faster execution, and — most importantly — more accurate intelligence about what you're about to do.
Intelligence Preparation of the Battlefield
The U.S. military calls it Intelligence Preparation of the Battlefield — IPB. Before a single soldier steps into a new theater, analysts map the terrain, identify adversarial forces, model enemy intent, and predict courses of action. They do not simply study their own plan. They obsessively study the enemy's options.
IPB in investing: Before entering a position, map the adversarial landscape. Who holds short interest and at what levels? Where is institutional accumulation concentrated? What algorithmic triggers exist around key price levels? What's the options market implying about smart money expectations? This is your battlefield intelligence — and most retail traders skip it entirely.
This isn't exotic. Every piece of this information is publicly accessible or derivable from on-chain data, options flow, futures positioning, and volume profiles. The gap isn't data access. It's mental model. Retail investors don't look for it because they're not thinking in adversarial terms.
What the InDecision Framework Actually Does
I built the InDecision Framework around six factors. Most people focus on Factor 1 (Daily Pattern Recognition) because it's intuitive — patterns are easy to see and feel like they explain something.
Factor 2 is where the real edge lives: Volume Profile Analysis.
Volume isn't just a confirming signal. It's a footprint — specifically, it's the footprint of institutional actors who cannot hide their size. When a whale accumulates, volume anomalies appear before price movement. When smart money distributes into a retail-driven pump, the volume signature is different from genuine breakout volume. You can read the enemy's troop movements in the tape if you know what to look for.
That number doesn't come from better chart reading. It comes from building a framework that accounts for adversarial positioning — where the institutions are, what the order books signal, whether volume confirms or diverges from price action. It's applied IPB. Know the enemy. Know the structure. Know the incentives.
Studying the Enemy: A Practical Framework
Here's how to apply adversarial thinking to your next trade:
1. Map short interest before entry. Who is positioned against you, and what's their cost basis? High short interest isn't always bearish — it's also a potential fuel source for a squeeze. Know where the shorts are trapped.
2. Read institutional positioning from options flow. Unusual call or put activity in the options market is smart money signaling. It doesn't tell you the direction with certainty, but it tells you where serious capital is hedging or speculating.
3. Identify algorithmic trigger zones. Algorithms cluster stops and liquidations at predictable levels — round numbers, prior highs/lows, moving average confluences. These aren't just support/resistance. They're enemy positions. Knowing where the algos are hunting stops changes how you set your own.
4. Track on-chain movements for crypto. Exchange inflows signal distribution pressure. Whale wallet movement reveals accumulation before public announcements. The data is transparent — the interpretation requires adversarial framing to extract the signal.
The Psychology Shift That Changes Everything
Most investors will read this and think, "I already know markets are adversarial." But knowing it intellectually and operating from that frame consistently are completely different things.
The cooperation illusion is persistent because it's emotionally comfortable. Believing you're "in on something good" feels better than believing you're a target. This is the same psychological dynamic that makes people susceptible to information warfare — the enemy wins by keeping you in the wrong mental model.
The edge isn't just analytical. It's psychological. The investor who has genuinely internalized adversarial framing makes different decisions at every step — from position sizing (accounting for adversarial stop-hunting) to exit strategy (accounting for distribution into your demand). The framework matters less than the model the framework runs on.
Sun Tzu didn't write a book about being a better warrior. He wrote a book about understanding the entire system — including the enemy — well enough that victory becomes structural rather than lucky.
That's what market intelligence actually is. Not better indicators. Not faster data. A cleaner map of the battlefield — including every actor on it who wants your capital.
Study the enemy. It's the most underused edge in investing.
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