If I had bought MRNX
If I had bought MRNX
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into MRNX
a week ago+27.3%$100 → $127
a month ago+45.1%$100 → $145
since our history starts, August 31, 2026+162.6%$100 → $263
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying MRNX
Over the last 49 days MRNX closed between $72.49 (September 9, 2026) and $217.95 (November 4, 2026). One hundred dollars put in at the low would be worth $287 today; at the high, $96. The current price $208.23 is above 47 of those 49 daily closes, so a purchase on a random day of that stretch would be in profit 96% of the time — fees aside.
A typical day moves MRNX by 21.6%: a $1,000 position swings about $216 a day.
Low of the stretch$72.49 · $100 → $287
High of the stretch$217.95 · $100 → $96
Share of profitable dates96% · 47/49
The same calculation for neighbouring instruments
Calculators for other instruments in the “exchange-traded fund” category.