Heather Cullen
Backtesting

Backtesting Results

Backtesting documents are copyright and may not be reproduced or publicised in any form without the express permission of Heather Cullen.

Heather Cullen In The Money Book Series

Trade the tide

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not the waves

Historical Data

If you wish to do a backtest yourself, here is the historical data for SPY and SPYG. The source is Yahoo Finance, and I make no representations of the accuracy of the data.

Thank you – your message has been sent. Please note that  as of July 2022 Heather will answer all questions in the ITM Blog, not individually. You will be notified when there is a new blog post. Happy trading!