If I had bought IBKR
If I had bought IBKR
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into IBKR
a week ago-0.1%$100 → $100
a month ago-2.8%$100 → $97
three months ago-6.4%$100 → $94
since our history starts, June 30, 2026+1.3%$100 → $101
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying IBKR
Over the last 103 days IBKR closed between $85.66 (September 30, 2026) and $98.51 (August 25, 2026). One hundred dollars put in at the low would be worth $103 today; at the high, $90. The current price $88.23 is above 18 of those 103 daily closes, so a purchase on a random day of that stretch would be in profit 17% of the time — fees aside.
A typical day moves IBKR by 3.0%: a $1,000 position swings about $30 a day.
Low of the stretch$85.66 · $100 → $103
High of the stretch$98.51 · $100 → $90
Share of profitable dates17% · 18/103
The same calculation for neighbouring instruments
Calculators for other instruments in the “company stock” category.