If I had bought GDXJ
If I had bought GDXJ
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into GDXJ
a week ago+0.6%$100 → $101
a month ago-8.8%$100 → $91
since our history starts, August 19, 2026-9.5%$100 → $90
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying GDXJ
Over the last 37 days GDXJ closed between $109.11 (October 7, 2026) and $135.87 (August 25, 2026). One hundred dollars put in at the low would be worth $105 today; at the high, $84. The current price $114.40 is above 8 of those 37 daily closes, so a purchase on a random day of that stretch would be in profit 22% of the time — fees aside.
A typical day moves GDXJ by 3.4%: a $1,000 position swings about $34 a day.
Low of the stretch$109.11 · $100 → $105
High of the stretch$135.87 · $100 → $84
Share of profitable dates22% · 8/37
The same calculation for neighbouring instruments
Calculators for other instruments in the “exchange-traded fund” category.