datacaptain 0.1.0

Official Python SDK for the DataCaptain US ETF Data API

datacaptain

Official Python SDK for the DataCaptain US ETF Data API.

Install

pip install datacaptain

For local development from this repo:

pip install -e packages/datacaptain-python

Quick start

from datacaptain import DataCaptain

dc = DataCaptain(api_key="sdata_your_key_here")

# ETF screener
screen = dc.etf_screener(return_min=10, dividend_yield_min=2, period="1y")
print(screen["data"][:5])

# Heatmap
heatmap = dc.etf_heatmap(basket="broad", period="1y")

# Backtest
bt = dc.backtest_buy_and_hold(
    symbol="SPY",
    start_date="2015-01-01",
    end_date="2025-01-01",
    investment=10000,
)

# Portfolio rebalance
rebalance = dc.portfolio_rebalance(
    holdings=[{"symbol": "VOO", "shares": 63}, {"symbol": "QQQ", "shares": 37}],
    target=[{"symbol": "VOO", "weight": 60}, {"symbol": "QQQ", "weight": 40}],
    drift_threshold=2,
)

Get your API key at datacaptain.in.