Renko Charts
How to Get the Correct Renko Block Size

How to Get the Correct Renko Block Size

Renko Trading Video Guide

How to Choose the Correct Renko Block Size for Futures Trading

Block size controls how much movement a Renko chart filters. This video explains why the setting matters and why the same value cannot be applied blindly across every futures market.

By Stephen Hoad · Professional trader and systematic strategy developer · Updated July 2026
The immediate answer

The correct Renko block size is not the one that makes a historical chart look perfect. It is the one that fits the futures contract, volatility, holding period and strategy while remaining robust across nearby settings.

Watch the Renko Video

This video is part of The Stop Hunter’s Renko trading education library. It explains the concept visually and shows how the idea can be applied to real chart structure rather than treated as a purely theoretical rule.

Why this matters for futures traders

Futures markets combine leverage, speed and changing volatility. Renko can help simplify the chart, but every setup still needs market-specific rules, realistic execution assumptions and controlled risk.

Why Block Size Changes Everything

A smaller block size produces more bricks, more trades and more sensitivity to short-term movement. A larger block size removes more noise but can delay entries and exits. The choice directly affects signal frequency, stop placement and the type of move the strategy captures.

Why Futures Need Market-Specific Settings

ES, NQ, crude oil, gold and currency futures have different price scales, volatility patterns and session behaviour. A Renko setting that is sensible for one contract may be completely unsuitable for another.

Use Volatility as a Starting Point

ATR and average session movement can provide a rational starting point. The final setting still needs testing, but linking block size to actual market movement is stronger than choosing a convenient round number.

Key Lessons to Take From the Video

Key point

Define whether the strategy is scalping, intraday or swing based.

Key point

Measure typical volatility during the session you trade.

Key point

Test a range of neighbouring block sizes.

Key point

Prefer stable performance across a region rather than one isolated best result.

The chart is only one part of the edge

Brick size is part of the strategy itself. It changes what the chart sees. I do not treat it as a cosmetic setting, and I do not keep changing it until the backtest looks good.

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Risk warning: Futures and other leveraged products involve substantial risk. Renko charts, indicators and strategy examples do not guarantee profitable outcomes. This content is educational and is not financial advice.

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