GDS Holdings Limited Options Ahead of Earnings

Looking at the GDS Holdings Limited options chain ahead of earnings , i would buy the $20 strike price Calls with
2022-12-16 expiration date for about
$0.90 premium.
If the options turn out to be profitable Before the earnings release, i would sell at least 50%.

Looking forward to read your opinion about it.

Trade closed manually:

GDS reached $19.90 on Dec 5th.