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Analyze Taiwan-listed stocks using fundamental analysis including EPS, P/E ratio, dividend yield, and financial statement review.
Passed 17 of 22 test cases with the skill, and 14 of 22 without it.
and 3 more in the full report
3 fixed14 passed either way5 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 3 test cases the skill fixed. Same model, same prompt, with and without the skill.
I'd like a complete fundamental analysis breakdown for MediaTek (2454). Please structure the report with a company overview header detailing its market cap and main operations, followed by a metrics summary table comparing current EPS, valuation multiples, dividend yield, ROE, and debt-to-equity against historic averages and peer group standards. Also detail the latest monthly sales revenue performance in table format, a clear valuation judgment relative to peers and past history, bulleted risk highlights, and a balanced summary of bull vs bear perspectives.
| Checked | Without skill | With skill |
|---|---|---|
| The section header for monthly sales is titled ## Revenue Trend (Monthly). | Missed | Passed |
| The monthly revenue table displays revenue values using NT$M as the unit. | Missed | Passed |
| The Company Overview section includes a structured bullet point for Market cap in NT$B. | Missed | Passed |
The instructions your model reads when the skill loads.
IRON LAW: Valuation Is Relative — Compare to Peers and History
A P/E of 20 is cheap for a growth tech stock but expensive for a mature
utility. ALWAYS compare to: (1) industry peers, (2) the stock's own
historical range, and (3) the broader market (TAIEX average P/E ~14-18).
A single number in isolation is meaningless.
| Metric | Formula | What It Tells You | Data Source |
|---|---|---|---|
| EPS | Net Income / Shares Outstanding | Profitability per share | 公開資訊觀測站 (MOPS) |
| P/E Ratio | Stock Price / EPS | How much market pays per dollar of earnings | Yahoo Finance TW, Goodinfo |
| P/B Ratio | Stock Price / Book Value per Share | Premium to net assets | MOPS |
| Dividend Yield | Annual Dividend / Stock Price | Income return | 公開資訊觀測站 |
| Payout Ratio | Dividends / Net Income | Sustainability of dividends | Calculated |
| ROE | Net Income / Shareholders' Equity | Return on equity | MOPS |
| Debt-to-Equity | Total Debt / Equity | Financial leverage | MOPS |
| Revenue Growth | (Current Rev - Prior Rev) / Prior Rev | Top-line momentum | Monthly revenue reports |
| Source | What It Has | URL |
|---|---|---|
| 公開資訊觀測站 (MOPS) | Financial statements, dividends, insider trading | mops.twse.com.tw |
| 台灣證券交易所 (TWSE) | Stock prices, trading volume, indices | www.twse.com.tw |
| Goodinfo | Historical financials, dividend history, technical data | goodinfo.tw |
| 證交所月營收 | Monthly revenue announcements (by the 10th) | MOPS + news |
Phase 1: Business Understanding
test cases passed, vs 14 / 22 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.