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Start writing Python with PyFi

No registration or download required.

Start writing Python

pyfi/learn

Runs in your browser. Nothing to install.

You already think like this→now write it in Python→do what a spreadsheet never could

excel.fx01

you already know this

Signals.xlsxExcel

FileHomeInsertFormulasData

D2

fx=IF(C2>0,"BUY","SELL")

A

B

C

D

1

Ticker

Qty

PnL

Signal

2

NVDA

500

+2.10

BUY

3

META

300

-1.20

SELL

4

AMZN

250

+0.84

BUY

≡ same logic

python

1signal = "BUY" if pnl > 0 else "SELL"

same logic

signals.pyLIVE02

your turn — write it

EDITABLE

# Turn the BUY/SELL rule into a forecast
import pandas as pd
from pyfi import prices, forecast, ai
 
px = prices.load("NVDA")      # daily close
px["signal"] = (px.ret > 0).map(
    {True: "BUY", False: "SELL"})
 
model = forecast.fit(px.close)   # ML: project 20d
risks = ai.extract(filing,
    "top 3 risks", as_=list)

runlive editor mounts here · Pyodide in-browserUTF-8 · Py 3.12

beyond it

payoff.out03

beyond the spreadsheet

ml · forecast

ai · structured output

>>> risks

[

"FX exposure across EMEA book",

"Customer concentration in top 3",

"Covenant headroom tightening"

]

No registration. No download. Just Python.

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