# Combine fundamentals and technicals

**FUND-15 · Fundamentals · Core**

**Lesson question:** How do value, behavior and execution fit together?

Original fictional examples; educational writing, not live market data, orders or production approval.

## By the end

- Explain the mechanism in the lesson question.
- Reproduce the worked comparison and recognize its failure case.

**Prerequisites:** FUND-01

Fundamentals study the business and price paid; technicals study observed market behavior. They can inform one decision without becoming interchangeable proofs. A good business need not trend immediately, and a strong chart does not validate an unsupported valuation.

The intended holding horizon connects the two.

## Understand the mechanism

A long-term owner may tolerate fluctuations that invalidate a two-day trade. An option adds expiry and volatility costs. Each evidence type and constraint should be named separately.

Switching rationales after losses hides whether the original process worked.

## Walk through the process

Write valuation and operating assumptions separately from entry conditions. Choose a vehicle whose timing and risk fit both. If they conflict, wait or change the instrument rather than inventing agreement.

Update each thesis component on its own evidence. A failed candle is not automatically a failed business, and a broken business is not repaired by a green candle.

## Evidence and decision boundary

These are original fictional teaching figures, not a company screen. Actual analysis should use primary disclosures and distinguish management's explanation from your inference. Favorable or unfavorable evidence depends on the specific business, valuation and risk; no single ratio establishes a recommendation.

## A worked example

A fictional long-horizon base value is 40 while the stock is 30, but the catalyst's timing is uncertain. Shares and a three-day call do not express that thesis equivalently; the call can expire before information arrives.

A two-day breakout trader can exit on a failed range break even if the long-term value case survives. The timeline graph illustrates uncertainty of timing, not a predicted path to 40.

## Graph: Combine fundamentals and technicals—worked comparison

**Horizontal:** Illustrative observation, not forecast  
**Vertical:** Share price (USD)

Fictional data from the written example. The chart organizes the comparison; its shape is not a forecast.

Complete numerical data are embedded in `scripts/fundamentals/FUND-15.js` and displayed as an accessible table in the HTML lesson.

## What would invalidate the reading?

Turning a failed short-term option into an indefinite investment thesis ignores its expiry. Ignoring business deterioration because the chart improves makes the opposite error.

## Check your understanding

### Does a long-horizon value thesis alone justify a very short-dated call?

**Answer:** No.

**Why:** The contract needs its own timing and premium rationale.

### What is the critical failure to avoid?

**Answer:** Turning a failed short-term option into an indefinite investment thesis ignores its expiry. Ignoring business deterioration because the chart improves makes the opposite error.

**Why:** Explain this risk before treating the example as a decision rule. A correct calculation does not guarantee a favorable market outcome. **Critical risk check.**

## Takeaway

Return to the question: How do value, behavior and execution fit together? State the observed facts, the assumptions and the failure condition separately.

## References and provenance

The cited references support definitions and conventions. The teaching prose, tickets and numerical scenarios are original; they are not attributed as historical market observations.

- [SEC Financial Statements Guide](https://www.sec.gov/about/reports-publications/beginners-guide-financial-statements)