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position-sizer

position-sizer is a skill for Claude Code, Codex from Wind-Information-Co-Ltd/wind-skills. It costs 58 tokens per session (1,543 once invoked), scanned A, original, no licence file.

A calculator for deciding how many shares to buy in a long stock trade based on the amount of risk allowed. It can account for stop-loss distance, volatility, the Kelly criterion, and concentration in one sector.

In plain words
What is it for?
Use it to calculate share counts, risk per trade, stop-loss-based sizing, volatility-adjusted sizing, and sector concentration.
Why use it?
It links the number of shares to the planned loss if the stop-loss is hit. This helps avoid choosing a position size without considering trade and portfolio risk.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

not rated 101repo 2mo ago A scan 58 tokens no licence

Good fit Use it to calculate share counts, risk per trade, stop-loss-based sizing, volatility-adjusted sizing, and sector concentration.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/wind-information-co-ltd/wind-skills/position-sizer
View source ↗ Wind-Information-Co-Ltd/wind-skills
Install

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.

Any agent
npx skills add Wind-Information-Co-Ltd/wind-skills --skill position-sizer
Clone the repo
git clone --depth 1 https://github.com/Wind-Information-Co-Ltd/wind-skills

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for position-sizer

README.md
[![agentmods](https://agentmods.dev/badge/skills/wind-information-co-ltd/wind-skills/position-sizer/github.svg)](https://agentmods.dev/skills/wind-information-co-ltd/wind-skills/position-sizer)
Your own site
<a href="https://agentmods.dev/skills/wind-information-co-ltd/wind-skills/position-sizer"><img src="https://agentmods.dev/badge/skills/wind-information-co-ltd/wind-skills/position-sizer/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.

agentmods 80×15 button for position-sizer

Your own site · 80×15
<a href="https://agentmods.dev/skills/wind-information-co-ltd/wind-skills/position-sizer"><img src="https://agentmods.dev/badge/skills/wind-information-co-ltd/wind-skills/position-sizer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 58 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,543 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00058 $0.01543
Opus 5.5 $0.00023 $0.00617
Sonnet 5.5 $0.00012 $0.00309
Haiku 4.5 $0.00006 $0.00154

Measured 2mo ago against content hash 1fe79c0d268c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

position-sizer 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 2mo ago.

The scan reads SKILL.md. This mod also ships 3 executable files (scripts/position_sizer.py, scripts/tests/conftest.py, scripts/tests/test_position_sizer.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/position-sizer/SKILL.md · 182 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

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.

  1. 2mo ago First seen · 182 lines · 58 tokens per session scan A 1fe79c0d268c

Subscribe to this mod's changes

position-sizer is a skill published in the GitHub repository Wind-Information-Co-Ltd/wind-skills (101 stars, last pushed 2mo ago), with no licence file. It adds 58 tokens to every session and 1,543 once invoked, about $0.0002 per session on Opus 5.5. 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.

Finance and fintech
Related

position-sizer compared with skills from other repositories

position-sizer next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
position-sizerWind-Information-Co-Ltd/wind-skillsSkill1012mo agononeA58Claude Code, Codex
sector-rotationHKUDS/Vibe-TradingSkill38kyesterdayMITA39Claude Code, Codex
twitter-readerhimself65/finance-skillsSkill3.5k2d agoMITA110Claude Code
strategy-pivot-designertradermonty/claude-trading-skillsSkill3.7k2d agoMITA28Claude Code, Codex
energy-procurementhashgraph-online/awesome-codex-pluginsSkill1.5kyesterdayApache-2.0A93Claude Code, Codex
airdrop-hunting-guidenirholas/three.wsSkill269yesterdayApache-2.0A54Claude Code, Codex
multi-expert-analyzerdigoal/blogSkill8.6k2d agoGPL-2.0A292Codex