PREFACE
There is a bullish momentum pattern in Amazon.com Inc (NASDAQ:AMZN) stock 7 calendar days before earnings, and we can capture that phenomenon explicitly by looking at returns in the option market. The strategy won't work forever, and in fact, it hasn't even won more often than it has lost. But since the winning trades are so much larger than the losing trades, it has returned 101.5% even with a win rate that isn't above 50%.

LOGIC
The logic behind the test is easy to understand -- in a bull market there can be a stock rise ahead of earnings on optimism, or upward momentum, that sets in the one-week before an earnings date. Now we can see it in Amazon.com Inc.

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The Bullish Option Trade Before Earnings in Amazon.com Inc
We will examine the outcome of getting long a weekly call option in Amazon.com Inc 7-days before earnings (using calendar days) and selling the call before the earnings announcement.

Here's the set-up in great clarity; again, note that the trade closes before earnings, so this trade does not make a bet on the earnings result.



RISK MANAGEMENT
We can add another layer of risk management to the back-test by instituting and 40% stop loss and a 40% limit gain. Here is that setting:



In English, at the close of each trading day we check to see if the long option is either up or down 40% relative to the open price. If it was, the trade was closed.

RESULTS
Here are the results over the last two-years in Amazon.com Inc:

AMZN: Long 40 Delta Call

% Wins: 50%
Wins: 4 Losses: 4
% Return:  101.5% 
% Annualized:  662% 

Tap Here to See the Back-test

The mechanics of the TradeMachine™ are that it uses end of day prices for every back-test entry and exit (every trigger).

We see a 101.5% return, testing this over the last 8 earnings dates in Amazon.com Inc. That's a total of just 56 days (7-days for each earnings date, over 8 earnings dates). This has been the results of following the trend of bullish sentiment into earnings while avoiding the actual earnings result.

We can also see that this strategy hasn't been a winner all the time, rather it has won 4 times and lost 4 times, for a 50% win-rate and again, that 101.5% return in less than six-full months of trading.

Setting Expectations
While this strategy had an overall return of 101.5%, the trade details keep us in bounds with expectations:
      The average percent return per trade was 11.08%.



WHAT HAPPENED
Bullish momentum and sentiment ahead of earnings can be a repeating pattern in a bull market for some companies. This is just one example of what has become a tradable phenomenon in Amazon.com Inc.