Backtest Execution Modeling
HKUDS/Vibe-Trading
Adds realistic execution assumptions to backtests: fixed, linear and square-root slippage, delayed fills, VWAP and TWAP logic and market-impact cost estimates; never for live orders.
Value an equity against its peers — peer-median trading multiples applied to the company's metrics for an implied range, cross-read against its own valuation ratios.
$ npx skills add Yijia-Xiao/FinanceHarness --skill relative-valuation -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install Yijia-Xiao/FinanceHarness relative-valuation --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/Yijia-Xiao/FinanceHarness.git skills-src && mkdir -p .claude/skills && cp -r skills-src/financeharness/skills/relative-valuation .claude/skills/relative-valuation && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "relative-valuation" agent skill from https://github.com/Yijia-Xiao/FinanceHarness/tree/main/financeharness/skills/relative-valuation into .claude/skills/relative-valuation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "relative-valuation", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/Yijia-Xiao/FinanceHarness/tree/main/financeharness/skills/relative-valuationType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add Yijia-Xiao/FinanceHarness --skill relative-valuation -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install Yijia-Xiao/FinanceHarness relative-valuation --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Yijia-Xiao/FinanceHarness.git skills-src && mkdir -p .agents/skills && cp -r skills-src/financeharness/skills/relative-valuation .agents/skills/relative-valuation && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "relative-valuation" agent skill from https://github.com/Yijia-Xiao/FinanceHarness/tree/main/financeharness/skills/relative-valuation into .agents/skills/relative-valuation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "relative-valuation", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add Yijia-Xiao/FinanceHarness --skill relative-valuation -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install Yijia-Xiao/FinanceHarness relative-valuation --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Yijia-Xiao/FinanceHarness.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/financeharness/skills/relative-valuation .cursor/skills/relative-valuation && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "relative-valuation" agent skill from https://github.com/Yijia-Xiao/FinanceHarness/tree/main/financeharness/skills/relative-valuation into .cursor/skills/relative-valuation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "relative-valuation", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/Yijia-Xiao/FinanceHarness.git --path financeharness/skills/relative-valuation--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add Yijia-Xiao/FinanceHarness --skill relative-valuation -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install Yijia-Xiao/FinanceHarness relative-valuation --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Yijia-Xiao/FinanceHarness.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/financeharness/skills/relative-valuation .gemini/skills/relative-valuation && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "relative-valuation" agent skill from https://github.com/Yijia-Xiao/FinanceHarness/tree/main/financeharness/skills/relative-valuation into .gemini/skills/relative-valuation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "relative-valuation", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install Yijia-Xiao/FinanceHarness relative-valuationInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add Yijia-Xiao/FinanceHarness --skill relative-valuation -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/Yijia-Xiao/FinanceHarness.git skills-src && mkdir -p .github/skills && cp -r skills-src/financeharness/skills/relative-valuation .github/skills/relative-valuation && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "relative-valuation" agent skill from https://github.com/Yijia-Xiao/FinanceHarness/tree/main/financeharness/skills/relative-valuation into .github/skills/relative-valuation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "relative-valuation", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add Yijia-Xiao/FinanceHarness --skill relative-valuation -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install Yijia-Xiao/FinanceHarness relative-valuation --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Yijia-Xiao/FinanceHarness.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/financeharness/skills/relative-valuation .opencode/skills/relative-valuation && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "relative-valuation" agent skill from https://github.com/Yijia-Xiao/FinanceHarness/tree/main/financeharness/skills/relative-valuation into .opencode/skills/relative-valuation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "relative-valuation", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
relative-valuationValue an equity against its peers — peer-median trading multiples applied to the company's metrics for an implied range, cross-read against its own valuation ratios.
Relative Valuation is an agent skill from Yijia-Xiao/FinanceHarness. Value an equity against its peers — peer-median trading multiples applied to the company's metrics for an implied range, cross-read against its own valuation ratios.
Its SKILL.md is about 450 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Business, Finance & HR, covering Financial modeling and Trading and backtesting. The repository describes itself as: FinanceHarness: Autonomous Financial Deep Research Framework. The licence is Apache-2.0.
4 steps, taken from the first numbered list in SKILL.md.
Read from SKILL.md and the folder at commit 1163c5e. It shows what the files ask for, not the result of running them.
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Relative Valuation loads about 446 tokens when it runs. Until then it costs about 46 tokens; SKILL.md has 195 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
The full file from Yijia-Xiao/FinanceHarness at commit 1163c5e, republished under its Apache-2.0 licence (© Yijia-Xiao). 195 words, ~446 tokens.
.claude/skills/relative-valuation/SKILL.md (or your agent's skills folder).Where a name trades versus comparable companies, and whether that's deserved.
data_equity_reference to classify the company
(sector/industry); choose genuine comparables — similar business, scale, and
growth/margin profile, not just same-sector names.data_equity_ratios for its P/E,
EV/EBITDA, EV/revenue, P/S, plus the leverage/returns context that justifies
a premium or discount.data_equity_comps with the peer tickers — peer-median multiples
applied to the company's metrics give an implied value-per-share range vs
the current price. Report the medians, implied values, and range it returns
directly; they're already computed, so there's no need to re-derive them.© Yijia-Xiao, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Just SKILL.md in financeharness/skills/relative-valuation of Yijia-Xiao/FinanceHarness.
Open the folder on GitHubat commit 1163c5e
Relative Valuation next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Relative Valuation this skillYijia-Xiao/FinanceHarness | 196 | — | ~446 | Automated safety check: Pass | Apache-2.0 | |
| Backtest Execution ModelingHKUDS/Vibe-Trading | 35k | — | ~2.9k | Automated safety check: Pass | MIT | |
| Market Microstructure AnalysisHKUDS/Vibe-Trading | 35k | — | ~3.1k | Automated safety check: Pass | MIT | |
| Advanced Options StrategiesHKUDS/Vibe-Trading | 35k | — | ~2k | Automated safety check: Pass | MIT | |
| Options Strategy BacktestingHKUDS/Vibe-Trading | 35k | — | ~2k | Automated safety check: Pass | MIT | |
| Forecastingericrisco/rsc-harness | 180 | — | ~2.8k | Automated safety check: Pass | MIT |
HKUDS/Vibe-Trading
Adds realistic execution assumptions to backtests: fixed, linear and square-root slippage, delayed fills, VWAP and TWAP logic and market-impact cost estimates; never for live orders.
HKUDS/Vibe-Trading
Measures spreads, order-flow toxicity (VPIN, Kyle's lambda) and liquidity (Amihud, Roll) to improve cost estimates and execution, including China A-share auction and block trade mechanics.
HKUDS/Vibe-Trading
Covers volatility-surface modeling (SABR, local volatility), dynamic Greeks management, calendar spreads, skew and volatility arbitrage, and market-making basics for options.
HKUDS/Vibe-Trading
Backtests multi-leg option strategies by synthesizing Black-Scholes prices from the underlying, simulating PnL, Greeks exposure and expiration for crypto and equity options.
ericrisco/rsc-harness
A skill your agent uses when projecting history forward — sales, demand, units, revenue, signups, traffic — into a defensible number with an error band: method by data shape, rolling-origin…
Chen-zexi/open-ptc-agent
This skill provides an advanced financial modeling suite with DCF analysis, sensitivity testing, Monte Carlo simulations, and scenario planning for investment decisions
Yijia-Xiao/FinanceHarness
Estimate a public equity's intrinsic value with a discounted-cash-flow model — pull fundamentals, set a discount rate via CAPM/WACC, project free cash flow, and discount it.
Yijia-Xiao/FinanceHarness
A thorough single-equity deep dive — read the recent qualitative picture from the web, then ground it in fundamentals and health ratios, an intrinsic DCF with a sensitivity range, a…
Yijia-Xiao/FinanceHarness
Summarize the sell-side view on an equity — analyst price targets, forward EPS/revenue estimates and ratings — and corroborate it against recent guidance and estimate revisions from the web.
Yijia-Xiao/FinanceHarness
Quick structured overview of a single public equity — identity, sector, market cap, valuation ratios, current price, recent trend.
Categories
Value an equity against its peers — peer-median trading multiples applied to the company's metrics for an implied range, cross-read against its own valuation ratios. Relative Valuation is an agent skill from Yijia-Xiao/FinanceHarness. Value an equity against its peers — peer-median trading multiples applied to the company's metrics for an implied range, cross-read against its own valuation ratios.
Relative Valuation fits situations like: tasks that involve Financial modeling; tasks that involve Trading and backtesting.
Run `npx skills add Yijia-Xiao/FinanceHarness --skill relative-valuation -a claude-code`. Or copy the skill folder (financeharness/skills/relative-valuation in Yijia-Xiao/FinanceHarness) into .claude/skills/relative-valuation in your project. Claude Code loads it when a task matches its description.
Run `npx skills add Yijia-Xiao/FinanceHarness --skill relative-valuation -a codex`. Or copy the skill folder (financeharness/skills/relative-valuation in Yijia-Xiao/FinanceHarness) into .agents/skills/relative-valuation in your project. Codex loads it when a task matches its description.
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add Yijia-Xiao/FinanceHarness --skill relative-valuation -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/relative-valuation, .gemini/skills/relative-valuation, .github/skills/relative-valuation and .opencode/skills/relative-valuation in your project.
SKILL.md names no scripts, command-line tools or credentials: Relative Valuation is instructions for the agent only.
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
Relative Valuation is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
About 446 tokens (SKILL.md is roughly 1.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
Skills that share tags, products or a category with Relative Valuation: Backtest Execution Modeling (HKUDS/Vibe-Trading, 35k stars), Market Microstructure Analysis (HKUDS/Vibe-Trading, 35k stars), Advanced Options Strategies (HKUDS/Vibe-Trading, 35k stars) and Options Strategy Backtesting (HKUDS/Vibe-Trading, 35k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Yijia-Xiao (a GitHub user) maintains it in Yijia-Xiao/FinanceHarness, which has 196 GitHub stars. The repository holds 5 skills in this directory. The repository was last updated on August 22, 2026.
Source: Yijia-Xiao/FinanceHarness on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.