If I had bought BLK
If I had bought BLK
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into BLK
a week ago+2.2%$100 → $102
a month ago+0.8%$100 → $101
three months ago+5.6%$100 → $106
since our history starts, June 22, 2026+3.3%$100 → $103
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying BLK
Over the last 111 days BLK closed between $953.68 (June 29, 2026) and $1,187.9 (August 25, 2026). One hundred dollars put in at the low would be worth $114 today; at the high, $91. The current price $1,083.3 is above 64 of those 111 daily closes, so a purchase on a random day of that stretch would be in profit 58% of the time — fees aside.
A typical day moves BLK by 1.7%: a $1,000 position swings about $17 a day.
Low of the stretch$953.68 · $100 → $114
High of the stretch$1,187.9 · $100 → $91
Share of profitable dates58% · 64/111
The same calculation for neighbouring instruments
Calculators for other instruments in the “company stock” category.