I trade for huge trends, check highs/lows last nine years in all futures, my system eventually nails the extremes, however, took me years to develop, backtest and 3 years to learn how to hedge properly, much much time, but been trading this method since early years of 1990's.
*****However, my winning percentages are under 5 percent on underlying, but learned to over hedge so losing on futures, profit on hedged. And when nail extremes, get huge profits, system adds on as it trends.
Then I learned how to hedge open profits when mini reversals happen.
Charting works.