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Library term·Algorithmic trading

High-Quality Tick Data for Backtesting

Garbage in → garbage out: stitch ticks from reputable vendors; watch timezone and dividend adjustments for stocks.

Authored by·Editorially reviewed
Onur Erkan Yıldız
Founder, Financial Engineer · CMB-licensed

Overview

Quality dimensions: timestamp precision, missing quote handling, and spread model realism.

Practical takeaway

For FX/gold, test sensitivity to spread widening around news — assume worst-case half-spread plus slip models.

How this connects to Finvestopia

Finvestopia live feeds highlight how fast XAUUSD and majors move around releases — mimic that stress in data prep.

Related entries

Educational content authored by our team — informational only, not investment advice.