If I had bought IBM
If I had bought IBM
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into IBM
a week ago-0.6%$100 → $99
a month ago+8.7%$100 → $109
since our history starts, June 5, 2026-17.6%$100 → $82
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying IBM
Over the last 81 days IBM closed between $205.21 (July 22, 2026) and $304.05 (July 7, 2026). One hundred dollars put in at the low would be worth $113 today; at the high, $76. The current price $231.55 is above 23 of those 81 daily closes, so a purchase on a random day of that stretch would be in profit 28% of the time — fees aside.
A typical day moves IBM by 2.1%: a $1,000 position swings about $21 a day.
Low of the stretch$205.21 · $100 → $113
High of the stretch$304.05 · $100 → $76
Share of profitable dates28% · 23/81
The same calculation for neighbouring instruments
Calculators for other instruments in the “company stock” category.