If I had bought ISRG
If I had bought ISRG
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into ISRG
a week ago+7.4%$100 → $107
a month ago+14.9%$100 → $115
three months ago+3.6%$100 → $104
since our history starts, June 16, 2026+1.5%$100 → $101
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying ISRG
Over the last 117 days ISRG closed between $332.48 (July 23, 2026) and $434.58 (July 6, 2026). One hundred dollars put in at the low would be worth $127 today; at the high, $98. The current price $423.73 is above 109 of those 117 daily closes, so a purchase on a random day of that stretch would be in profit 93% of the time — fees aside.
A typical day moves ISRG by 2.2%: a $1,000 position swings about $22 a day.
Low of the stretch$332.48 · $100 → $127
High of the stretch$434.58 · $100 → $98
Share of profitable dates93% · 109/117
The same calculation for neighbouring instruments
Calculators for other instruments in the “company stock” category.