Finance, economics and risk

Drawdowns, term structures, return distributions, portfolio frontiers and option surfaces. Financial series are cumulative and multiplicative, so levels belong on a log axis and losses belong measured from the running peak; and the tail of the return distribution – not its centre – is the part a risk figure exists to show.

Equity curve and underwater drawdown

Equity curve and underwater drawdown

Yield curve evolution and the 2s10s spread

Yield curve evolution and the 2s10s spread

Return distribution against a normal fit

Return distribution against a normal fit

Efficient frontier from random portfolios

Efficient frontier from random portfolios

Implied volatility surface

Implied volatility surface

Annotating a price series: a single event vs. a whole regime

Annotating a price series: a single event vs. a whole regime

The yield curve reshaping month by month

The yield curve reshaping month by month