A users, funds are not always decreasing, there are moments when a gambler will win. The first graph dictates, the gambler is losing over and over again, without a single win. This is not accurate, as even on a bad day in casinos a gambler will win a couple of times.
There are losses but it's hard to tell based on the previous graph's scale. Here's a zoomed in version:
Yes this graph is accurate monk, for the usual experience gamblers have playing in a casino.