If I had bought XLK
If I had bought XLK
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into XLK
a week ago+0.1%$100 → $100
a month ago+6.6%$100 → $107
since our history starts, July 21, 2026+10.9%$100 → $111
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying XLK
Over the last 82 days XLK closed between $169.23 (July 29, 2026) and $202.70 (October 6, 2026). One hundred dollars put in at the low would be worth $118 today; at the high, $99. The current price $200.11 is above 78 of those 82 daily closes, so a purchase on a random day of that stretch would be in profit 95% of the time — fees aside.
A typical day moves XLK by 1.7%: a $1,000 position swings about $17 a day.
Low of the stretch$169.23 · $100 → $118
High of the stretch$202.70 · $100 → $99
Share of profitable dates95% · 78/82
The same calculation for neighbouring instruments
Calculators for other instruments in the “exchange-traded fund” category.