Our Prop Trading Formula (Secret to Grading Your Trades)
By SMB Capital
Key Concepts
- Catalyst Value Equation (CVE): A framework to evaluate trade quality based on Magnitude (shift in company value) and Speed (urgency of market repricing).
- Confirmation Bias: The psychological tendency to make an emotional decision to trade and then seek information to justify it.
- Structural vs. Fundamental Catalysts: Fundamental changes (earnings, M&A) vs. technical events (index rebalancing, lockup expirations) that force institutional action.
- Fashionably Late Trade: A specific technical setup involving a trend reversal or continuation after an initial morning shakeout.
- Daily Stop Allocation: A risk management methodology where position size is determined by the grade of the catalyst, not by emotional excitement.
1. The Problem: Emotional Sizing vs. Analytical Grading
Most traders fall into the trap of "emotional sizing"—entering trades because a stock is moving fast or feels exciting. This leads to confirmation bias, where the brain rationalizes the entry after the fact. Jeff Holden argues that profitable traders use a grading system to determine position size before entering, ensuring that risk is allocated based on the quality of the catalyst rather than the intensity of the price action.
2. The Catalyst Value Equation (CVE)
The CVE is the foundation of the grading system. It is defined as: CVE = Magnitude × Speed
- Magnitude: How much does the news change the perceived value of the company?
- Speed: How urgently are market participants forced to reprice the stock?
Scoring Ratings:
- Absolute: Unambiguous, structural, and forces institutional action (e.g., index rebalancing).
- Yes: Clearly present and meaningful.
- Maybe: Partial, unconfirmed, or mixed.
- No: Absent or working against the trade.
Grading Table & Risk Allocation:
- Absolute × Absolute (A+): 80% of daily stop.
- Yes × Yes (A): 30% of daily stop.
- Yes × Maybe / Maybe × Yes (B): 15% of daily stop.
- Maybe × Maybe (C): Minimal risk.
- Any "No" (D): 0% risk (Do not trade).
3. Real-World Case Studies (June 8th, 2026)
Holden analyzed five stocks to demonstrate how the CVE overrides the "size of the move":
- CBRS (Cerebras Systems): Post-IPO quiet period expiration. Grade: A (Yes × Yes). Validated the thesis but lacked a "forced" mechanical deadline.
- MRVL (Marvell Technology): S&P 500 index addition. Grade: A+ (Absolute × Absolute). Forced institutional buying on a specific date.
- INTC (Intel): Unverified report of a Google order. Grade: A (Yes × Yes). Despite being the biggest mover, the lack of an official SEC filing kept it from being "Absolute."
- GLW (Corning): Amazon data center deal. Grade: B (Yes × Maybe). Confirmed an existing thesis rather than creating a new one; market had already priced in similar deals.
- AAPL (Apple): WWDC disappointment. Grade: D (No × No). The absence of a positive catalyst is not a negative catalyst. It was an "expiration of hope," not a tradeable event.
4. The Three-Step Execution Framework
To move from a catalyst to a trade, follow this sequence:
- CVE (The Foundation): Determine the grade and the "ceiling" for your risk allocation.
- The Setup (The Structure): Identify a clean, named pattern from your playbook (e.g., breakout, higher low). If the setup is messy, shade the grade down.
- The Trade (The Confirmation): Check sector strength, market regime, and relative volume. If these are favorable, you can take the full allocation allowed by your CVE grade.
5. Actionable Insights & Methodology
- Position Sizing Math:
Shares = (Daily Stop × Allocation %) / (Entry Price - Stop Price). - Stop Placement: Use structural points (where the trade is proven wrong) rather than P&L anxiety levels.
- The "D" Grade Discipline: The hardest part of professional trading is passing on a "D" grade trade that moves in your direction. A trade that works but wasn't earned is considered a "leak" in professional discipline.
- Assignment: Before market open, pick three stocks and run them through the CVE (Magnitude/Speed) before looking at the chart.
Conclusion
The core takeaway is that movement is not a catalyst. Profitable traders do not react to price; they allocate capital to events that have been structurally validated. By using the CVE to set a ceiling on risk and requiring a specific, named setup to enter, traders can remove emotion from the equation and ensure their capital is only deployed when the odds are mathematically in their favor.
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