linetrades

Precision signals for systematic traders.

A column by Kyle Donnelly

Quantitative Trading

TradingView backtesting: The illusion of historical profits

A TradingView backtest can overstate strategy performance by 15% to 50% before the first realistic execution assumption is added. That is not a minor reporting error.

Kyle Donnelly·August 08, 2026 · 17 min read

August 9

August 8

August 7

August 6

August 5

August 4

August 3

August 2

August 1

July 31

July 30

July 29

July 28

July 27

July 26

July 25

July 24

July 23

July 22

July 21

July 20

July 19

July 18

July 17

July 16

July 15

July 14

July 13

July 12

July 11

July 10

July 9

July 8

July 7

July 6

July 5

July 4

July 3

July 2

July 1

June 30

June 29

Technical Indicators

Filter MACD crossovers with volume to avoid fakeouts

The MACD histogram printed a bullish crossover on the daily ES chart at 9:31 AM. Volume was average. Someone, somewhere, clicked "buy." I have watched that…

Kyle Donnelly·13 min read

Filter MACD crossovers with volume to avoid fakeouts

June 24

June 23

June 22

June 21