update_vix_in_db

Design, backtest, and analyze portfolio strategies using simple,
English-like function chains. Includes technical indicators, flexible stock
selection, portfolio construction methods (equal weighting, signal weighting,
inverse volatility, hierarchical risk parity), and a compact backtesting
engine for portfolio returns, drawdowns, and summary metrics.

Alberto Pallotta

PortfolioTesteR

Test Investment Strategies with English-Like Code

update_vix_in_db function

<dl><dt>db_path</dt>
<dd>Path to SQLite database</dd>
<dt>from_date</dt>
<dd>Start date for update (NULL = auto-detect)</dd></dl>

Arguments

Update VIX data in database — update_vix_in_db

<dl>

<dt>db_path</dt>
<dd>Path to SQLite database</dd>


<dt>from_date</dt>
<dd>Start date for update (NULL = auto-detect)</dd>

</dl>

update_vix_in_db: Update VIX data in database

Description

Usage

Value

Arguments