Investing theory

The finance itself — the nine biases, and why backtests mislead.

11 pages1 guide · 10 termsUPDATED 2026-08-02

01 · Build

02 · Prove

03 · Hold

Foundations

Guides

1 guide

Is this financial advice?

No — Fincanva is a research and simulation tool and gives no financial or investment advice; backtests show what would have happened, not what will.

Concetto

Theory & biases

10 terms

Base — defines the term from zero, no prior vocabulary assumed · Intermediate — builds on base terms · Advanced — method-level detail for experienced readers

Cherry-picking biasBase
Confirmation biasBase
Cost-ignoring biasBase
Data-quality biasIntermediate
Data-snooping biasAdvanced
Look-ahead biasIntermediate
OverfittingIntermediate
Selection biasIntermediate
Survivorship biasIntermediate
Walk-forward replayIntermediate

Fincanva provides no financial advice. Backtests show what would have happened — not what will.

INVESTING THEORY · 11 PAGES