Compounding Thinking

Name: Compounding Thinking
Author: kangarooking

kangarooking/buffett-letters-skill

47 installs
65 repo stars
Updated April 17, 2026
kangarooking/buffett-letters-skill

Apply exponential growth mechanics to long-term wealth and business value accumulation.

About

Exponential returns from reinvestment over decades. Small percentage differences in annual returns create massive long-term wealth divergence.

Exponential return mechanics
Long-term wealth accumulation

Compounding Thinking by the numbers

47 all-time installs (skills.sh)
+1 installs in the week ending Aug 2, 2026 (Skillselion tracking)
Ranked #598 of 1,106 Finance & Trading skills by installs in the Skillselion catalog
Data as of Aug 5, 2026 (Skillselion catalog sync)

npx skills add https://github.com/kangarooking/buffett-letters-skill --skill compounding-thinking

Add your badge

Show developers this skill is listed on Skillselion. Paste this into your README.

[![Listed on Skillselion](https://skillselion.com/badge/skills/kangarooking/buffett-letters-skill/compounding-thinking.svg)](https://skillselion.com/skills/kangarooking/buffett-letters-skill/compounding-thinking)

Installs	47
repo stars	★ 65
Last updated	April 17, 2026
Repository	kangarooking/buffett-letters-skill ↗

What it does

Apply exponential growth mechanics to long-term wealth and business value accumulation.

Files

SKILL.mdMarkdownGitHub ↗

复利思维

R — 原文 (Reading)

"It is always startling to see how relatively small differences in rates add up to very significant sums over a period of years." (1962)

"The weeds wither away in significance as the flowers bloom. Over time, it takes just a few winners to work wonders." (2022)

I — 方法论骨架

复利的三个关键洞察： 1. 小差异×长时间=巨大差距：年化15%和20%在30年后差3.4倍 2. 高增长必自毁：基数膨胀后维持同等增速需要越来越大的绝对增量——"派对结束" 3. 少数赢家的绽放：不需要所有投资都成功——Coke $13亿→$250亿足以抵消所有错误

反面：增长可能摧毁价值（如果需要持续资本投入超过产出）

A1 — 书中的应用

案例: Coca-Cola + American Express

使用: 1990年代各投$13亿，28年后Coke=$250亿+年股息$7亿，Amex=$220亿+年股息$3亿
结果: 证明了"少数赢家的长期绽放"——两笔投资的总回报覆盖了所有其他错误

A2 — 触发场景

1. 计算长期投资的预期回报 2. 纠结是否应该卖出持仓 3. 理解为什么"不行动"可能是最好的策略 4. 评估短期波动是否值得担心 5. 对比"频繁交易"vs"长期持有"的长期效果

语言信号

"持有多久合适？"
"年化X%十年后是多少？"
"为什么巴菲特不卖？"
"短期波动要不要管？"

与相邻 skill 的区分

与 hold-forever 的区别：复利是数学原理，永久持有是具体策略

E — 可执行步骤

1. 做复利计算——不要凭直觉

完成标准：$1在目标回报率下5/10/20/30年的结果

2. 识别"绽放花朵"

完成标准：在投资组合中找出"少数赢家"——它们将贡献大部分回报

3. 接受不均匀性

完成标准：列出"宁愿颠簸的15%也不要平滑的12%"的理由

B — 边界

复利假设回报率为正——负回报率下复利加速亏损
高增长率不可持续——"增长会自毁"
作者盲点：巴菲特享受了美国经济60年的顺风，其他市场可能不同

---

审计信息

验证通过: V1 ✓ / V2 ✓ / V3 ✓
蒸馏时间: 2026-04-16

{
  "skill": "compounding-thinking",
  "version": "0.1.0",
  "source_book": "《巴菲特致股东的信》 — 沃伦·巴菲特",
  "darwin_compatible": true,
  "test_cases": [
    {
      "id": "should-trigger-01",
      "type": "should_trigger",
      "prompt": "年化15%和20%长期差距有多大",
      "expected_behavior": "应激活 compounding-thinking，展示30年复利下15%和20%的巨大差距（差3.4倍）",
      "notes": "复利差异的直觉缺失"
    },
    {
      "id": "should-trigger-02",
      "type": "should_trigger",
      "prompt": "为什么巴菲特持有可口可乐28年不卖",
      "expected_behavior": "应激活 compounding-thinking，展示Coke $13亿→$250亿+年股息$7亿的复利力量",
      "notes": "长期持有的复利逻辑"
    },
    {
      "id": "should-trigger-03",
      "type": "should_trigger",
      "prompt": "频繁交易和长期持有哪个好",
      "expected_behavior": "应激活 compounding-thinking，解释交易成本+税收+放弃复利的综合损失",
      "notes": "交易频率vs复利"
    },
    {
      "id": "should-not-trigger-01",
      "type": "should_not_trigger",
      "prompt": "这只股票明天会涨吗",
      "expected_behavior": "不应激活本skill，这是短期预测",
      "notes": "诱饵：短期预测≠长期复利"
    },
    {
      "id": "should-not-trigger-02",
      "type": "should_not_trigger",
      "prompt": "帮我做技术分析",
      "expected_behavior": "不应激活本skill，这是技术分析请求",
      "notes": "诱饵：技术分析≠复利思维"
    },
    {
      "id": "edge-01",
      "type": "edge_case",
      "prompt": "高增长股票能持续20%年化吗",
      "expected_behavior": "应指出高增长率不可持续——基数膨胀后维持同等增速需要越来越大的绝对增量",
      "notes": "边界：复利的自毁性"
    }
  ],
  "minimum_pass_rate": 0.8
}