What is the most frustrating thing about making contracts?

It's not misjudging the direction, but rather getting the direction right and still not making money.
$BTC Players should understand this.
You see a long position, and then in the middle of the night, a sudden spike kicks you out of the trade.
The next day, you wake up to find it has risen again.
After a few days, it even hits a new high. Clearly, the direction was correct,
but you got stopped out...
Later, I realized that many people lose money not because they judge incorrectly,
but because their positions don't last long enough.
Recently, I came across Jasper Vault's...