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推荐一个专业的纯Python实现的量化金融库

  • 2026-01-18 01:06:05
推荐一个专业的纯Python实现的量化金融库
👇我的小册 54章教程:(小白零基础用Python量化股票分析小册) ,原价299,限时特价2杯咖啡,满100人涨10元。
大家好,我是菜哥!
最近在研究期权定价的时候,发现了一个宝藏库——FinancePy。这个库的作者是前雷曼兄弟的量化分析师 Dominic O'Kane,说实话,能把投行级别的定价模型用纯Python写出来,还开源给大家用,真的是业界良心。

01.什么要关注这个库?

可能有朋友会问,市面上量化库那么多,TA-Lib、backtrader 不都挺好的吗?但这些库解决的问题不太一样。

TA-Lib 主要做技术分析,比如计算个均线、MACD 什么的。backtrader 是做策略回测的。但如果你想给期权定个价,想知道一个结构化产品到底值多少钱,这些库就帮不上忙了。

FinancePy 就是专门干这个的。它能做债券定价、期权定价、利率曲线构建,甚至还能算信用违约互换(CDS)这种复杂产品。关键是,代码全是 Python 写的,没有复杂的 C++ 依赖,看得懂也改得动。

这个库能干什么?

举几个实际的例子你就明白了。

场景一:给期权定价

假设你看好某只股票,想买个看涨期权。券商给你报价 5 块钱,你怎么知道这个价格合不合理?

用 FinancePy 几行代码就能算出来:

from financepy.products.equity import EquityVanillaOptionfrom financepy.market.curves import DiscountCurveimport datetime# 设置期权参数expiry_date = datetime.date(20241231)  # 到期日strike_price = 100.0  # 行权价option = EquityVanillaOption(expiry_date, strike_price, "Call")# 当前市场数据stock_price = 95.0      # 股票现价volatility = 0.25       # 波动率 25%risk_free_rate = 0.03   # 无风险利率 3%# 计算期权价格value = option.value(datetime.date(202461),                      stock_price                     DiscountCurve(datetime.date(202461)),                      volatility)print(f"期权理论价格: {value:.2f} 元")

跑出来的结果是理论价格。如果券商报价 5 块,理论价格只有 3 块,那你就知道这期权贵了。

场景二:计算债券收益率

你买了个债券,票面利率 5%,3 年后到期,现在市场价 98 元。这个债券的实际收益率是多少?

from financepy.products.bonds import Bondimport datetime# 创建债券对象issue_date = datetime.date(2024,1,1)maturity_date = datetime.date(2027,1,1)coupon = 0.05  #5% 年息bond = Bond(issue_date, maturity_date, coupon)# 计算到期收益率clean_price = 98.0 # 市场价格settlement_date = datetime.date(202461)ytm = bond.yield_to_maturity(settlement_date, clean_price)print(f"到期收益率: {ytm*100:.2f}%")

这样你就能算出来,98 块买的这个债券,实际年化收益率大概是多少,比单看票面利率准确多了。

02.和其他库比有什么优势?

说到量化库,很多人第一反应是 QuantLib。QuantLib 确实很强大,基本是业界标准了。但它是 C++ 写的,Python 只是个封装。想要深入理解代码逻辑,或者根据自己需求改点东西,门槛就比较高。

FinancePy 的好处就是代码全透明,都是 Python 写的。你想看看 Black-Scholes 模型到底怎么实现的,直接翻源码就行。想改个参数、调整个公式,也不用去碰 C++ 那一套。

03.最后说一句

金融市场水很深,有了定价工具不代表就能赚钱。理论价格和市场价格之间,永远隔着流动性、交易成本、信息不对称这些现实因素。

不过话说回来,多学点总是好的。

项目地址:https://github.com/domokane/FinancePy

感兴趣的朋友可以去看看,欢迎在留言区吱一声!

如果果你觉得这篇文章有帮助,别忘了点赞、关注、收藏哟,你的支持是我原创的动力~

对了,如果你也对Python量化编程感兴趣,可以跟我们交流!

关注下方👇🏻公众号,回复【小助手】获取学习手册

另外下面是一个量化小白的入门小册,有兴趣的可以看看,合适了再下手哈!买了之后有我们专门的量化交流群可以讨论。

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  1. CONNECT:[ UseTime:0.000672s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001049s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000399s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000295s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000735s ]
  6. SELECT * FROM `set` [ RunTime:0.000251s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000771s ]
  8. SELECT * FROM `article` WHERE `id` = 461583 LIMIT 1 [ RunTime:0.000541s ]
  9. UPDATE `article` SET `lasttime` = 1770557029 WHERE `id` = 461583 [ RunTime:0.010648s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000310s ]
  11. SELECT * FROM `article` WHERE `id` < 461583 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000527s ]
  12. SELECT * FROM `article` WHERE `id` > 461583 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000729s ]
  13. SELECT * FROM `article` WHERE `id` < 461583 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.014283s ]
  14. SELECT * FROM `article` WHERE `id` < 461583 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001823s ]
  15. SELECT * FROM `article` WHERE `id` < 461583 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001154s ]
0.104634s