If I had bought GDX
If I had bought GDX
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into GDX
a week ago+8.0%$100 → $108
a month ago+37.3%$100 → $137
since our history starts, July 27, 2026+37.3%$100 → $137
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying GDX
Over the last 30 days GDX closed between $73.71 (July 28, 2026) and $105.08 (August 25, 2026). One hundred dollars put in at the low would be worth $142 today; at the high, $100. The current price $104.81 is above 29 of those 30 daily closes, so a purchase on a random day of that stretch would be in profit 97% of the time — fees aside.
A typical day moves GDX by 3.6%: a $1,000 position swings about $36 a day.
Low of the stretch$73.71 · $100 → $142
High of the stretch$105.08 · $100 → $100
Share of profitable dates97% · 29/30
The same calculation for neighbouring instruments
Calculators for other instruments in the “exchange-traded fund” category.