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Most traders obsess over which stock to trade or what delta to pick. But after running countless tests, I’ve learned that timing your entry down to the exact minute can make or break a daily income strategy.

I’m talking about calendar spreads on S&P 500 (SPY) — a setup I’ve been using consistently. And when I say consistent, I mean it. I enter at 3:30 p.m. ET, hold overnight, and exit at 3:30 p.m. the next day or when I hit my profit target, whichever comes first.

That’s not random. That’s deliberate.

Why 3:30 Is the Sweet Spot

Here’s what happens when you structure it this way. You’re capturing overnight theta decay on the short option while the long option decays more slowly since it’s one day further out. That’s where your edge comes from — the difference in how those two options lose value over time.

But there’s more to it than just decay. Exiting at 3:30 the following day prevents assignment risk on the short option. These are 1-day-till-expiration (1DTE) options we’re dealing with, and getting assigned is not part of the plan. By closing before the end of the trading day, you sidestep that entirely.

And here’s the part that makes this repeatable: Exiting at 3:30 clears your books so you can immediately place the next day’s trade using the same capital. That’s how you create a daily income stream without tying up more money than necessary.

This Isn’t Guesswork — It’s Testing

I didn’t land at 3:30 because it felt right. I tested various entry times extensively, and this one kept delivering the best results. Could you test other variables — delta, profit targets, exit times?

Absolutely. There are always plenty of levers you can pull when it comes to trading.

Incorporating a VIX filter helps gauge market volatility so you can adjust the strategy accordingly, ensuring that conditions are favorable. Testing different deltas and profit targets is crucial for optimizing performance.

Practical considerations also come into play, such as choosing between SPY and SPX options based on account size and risk tolerance. SPY is better for smaller accounts due to its lower capital requirements, while SPX offers tax advantages for larger trades.

The strategy’s adaptability to different market conditions is another key aspect. Whether the market is trending or range-bound, the approach can be adjusted to maintain its effectiveness. This flexibility is essential for navigating the ever-changing market landscape.

One more thing…

This is not a day trade because you hold it overnight. That means it doesn’t consume day trading buying power or count as a pattern day trading strike, which makes it accessible even if you’re working with a smaller account.

If you’ve been searching for a structured way to generate daily income without overcomplicating things, this timing window is where you can start looking.

It’s specific. It’s tested. And it works.

Graham Lindman
Graham Lindman 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. Catch Your First Dollar Option THIS Week! 

Nate Tucci and I just revealed a shocking new way to “rig” the market to trade dirt cheap dollar options for shots at double- and even triple-digit moves in a matter of days…

Even when the stock barely moves.

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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. From 10/05/23-9/26/25 the average return per trade winners and losers was 26.29% with an average winner of 92.3% and a 63.4% win rate over a 4-day hold time.

WRITTEN BY<br>Graham Lindman

WRITTEN BY
Graham Lindman

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