Vibe-Trading is a personal trading agent that gives an AI system tools for market analysis, algorithmic trading, backtesting, and related workflows. It is for users who want an agent to research and evaluate trading strategies or manage simulated and other trading activities. The catalogue contains skills that expose these trading capabilities to compatible agents.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add HKUDS/Vibe-Trading --skill options-payoffgit clone --depth 1 https://github.com/HKUDS/Vibe-TradingWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/hkuds/vibe-trading/options-payoff)<a href="https://agentmods.dev/skills/hkuds/vibe-trading/options-payoff"><img src="https://agentmods.dev/badge/skills/hkuds/vibe-trading/options-payoff/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/hkuds/vibe-trading/options-payoff"><img src="https://agentmods.dev/badge/skills/hkuds/vibe-trading/options-payoff.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Snyk pass
- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium analysis-evasion · line 1 Suspicious Unicode normalization or mixed-script contentFix: Review the flagged content for security risks. Ensure no credentials, secrets, or sensitive data are exposed.
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00030 | $0.07729 |
| Opus 5 | $0.00015 | $0.03864 |
| Sonnet 5 | $0.00006 | $0.01546 |
| Haiku 4.5 | $0.00003 | $0.00773 |
Grade A, and why
options-payoff scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
Copies of this mod
1 near-identical copy found in the catalogue:
- options-payoff — 88% identical, 227 lines differ
How it starts
The opening of the file, as written. The whole thing — 756 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Options Payoff — Option P&L Analysis Methodology
Overview
This skill is designed for option strategy analysis scenarios within the Vibe-Trading quantitative framework, covering:
- P&L curve generation for single-leg and multi-leg option portfolios
- Black-Scholes pricing and Greeks calculation
- Implied volatility inversion
- Strategy selection decision support
Constraint: For research and backtesting only. Do not output live trading instructions, in line with the project's guardrails.
Built-in execution tool
Load this skill for methodology, then call options_payoff for production
calculations. Pass signed legs (qty > 0 long, qty < 0 short),
entry_spot, and expiry_days; optionally pass actual per-share premiums,
multiplier, commission, chart bounds, and IV scenarios. The tool returns an
expiry curve, a spot × IV scenario matrix, and analytic breakeven/max-risk
results that do not depend on the display grid containing every strike.
1. Supported Strategy Types
1.1 Single-Leg Strategies
| Strategy | Bias | Premium | Max Profit | Max Loss |
|---|---|---|---|---|
| Long Call | Bullish | Paid | Unlimited | Premium |
| Long Put | Bearish | Paid | Strike - premium | Premium |
| Short Call | Neutral / mildly bearish | Received | Premium | Unlimited |
| Short Put | Neutral / mildly bullish | Received | Premium | Strike - premium |
1.2 Vertical Spreads
| Strategy | Structure | Market View | Net Premium |
|---|---|---|---|
| Bull Call Spread | Long Call (lower K) + Short Call (higher K) | Moderately bullish | Net debit |
| Bear Put Spread | Long Put (higher K) + Short Put (lower K) | Moderately bearish | Net debit |
| Bull Put Spread | Short Put (higher K) + Long Put (lower K) | Moderately bullish | Net credit |
| Bear Call Spread | Short Call (lower K) + Long Call (higher K) | Moderately bearish | Net credit |
1.3 Straddles / Strangles (Volatility Strategies)
| Strategy | Structure | Market View |
|---|---|---|
| Long Straddle | Long Call (ATM) + Long Put (ATM) | Large move up or down, low volatility |
| Short Straddle | Short Call (ATM) + Short Put (ATM) | Range-bound market, high volatility |
| Long Strangle | Long Call (OTM) + Long Put (OTM) | Large move, lower cost than a straddle |
| Short Strangle | Short Call (OTM) + Short Put (OTM) | Tight range, collect two-sided premium |
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 11d ago First seen · 756 lines · 30 tokens per session scan A a83405fda58e
options-payoff is a skill published in the GitHub repository HKUDS/Vibe-Trading (33,177 stars, last pushed today), licensed MIT. It adds 30 tokens to every session and 7,729 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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