The Thursday Rule Backtesting Couldn’t Ignore

by | Jul 29, 2026

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I get this question all the time: Why Thursdays?

It’s a fair question. If you’ve got a solid strategy, why not trade it Monday, Tuesday, Wednesday — every day you get a setup?

Here’s the straight answer: I backtested this strategy across all five trading days, and Thursday entries outperformed entries on every other day.

Do I know why? Nope. Do I care? Not really.

This isn’t about forcing a theory onto the market. It’s about adapting to what the evidence shows. When the results point to Thursday, you don’t argue with the data. You follow it.

How the Backtesting Actually Worked

A proper backtest needs precise rules. You have to define the exact entry time, the conditions that trigger a trade and when you exit after the position reaches its target. Otherwise, you’re just moving the goalposts after the fact.

So I ran the same rules systematically across Monday, Tuesday, Wednesday, Thursday and Friday. The entry and exit criteria stayed consistent. The day of entry was the only variable.

The results were clear: Thursday outperformed every other day. I don’t have a fancy explanation for it, but the evidence doesn’t care whether I understand it.

We enter every Thursday the market is open and only when everything lines up. If the market is closed on Thursday — like Thanksgiving in the United States — we don’t enter a trade. If we already have five open positions, we don’t add another one.

Once the setup qualifies, the trade can be placed with its exit target set to execute automatically. That means you aren’t constantly watching the screen or making emotional decisions. You establish the entry, exit and position limits upfront, then let the plan work.

What If You Want to Trade More Often?

Look, I get it. Some of you want to be more active. You don’t want to wait for Thursday if you see a setup on Tuesday.

That’s fine. You’ll have the rules and methodology to enter as many trades as you want — you could do this every trading week of the year if that’s your style.

Bottom line: Thursday is the day the data identified. Until the evidence changes, I don’t see a reason to do anything different.

Geof Smith
Geof Smith Trading 

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*This is for informational and educational purposes only. There is inherent risk in trading, so trade at your own risk. 

P.S. Fed Chair Warsh set to testify before Congress this week – here’s the play!

With Warsh on the host seat this week, traders are looking for the best possible approach or ticker to spearhead this week’s income opportunity.

I’ve got both in black and white, and I’ll show you if you go right here. 

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Disclaimer: We develop tools and strategies to the best of our ability, but no one can guarantee the future. There is always a risk of loss when trading past performance is not indicative of future results. Since LIVE trading began on 9/18/25, there have been 20 winners, continuing the undefeated streak. In LIVE trading, the average return has been 32.05% and the average hold time has been 24 days.

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