If I had bought SPX500
If I had bought SPX500
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into SPX500
a week ago-0.1%$100 → $100
a month ago+2.8%$100 → $103
three months ago+2.0%$100 → $102
six months ago+11.5%$100 → $112
since our history starts, January 29, 2026+10.3%$100 → $110
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying SPX500
Over the last 208 days SPX500 closed between $6,347.1 (March 27, 2026) and $7,802.3 (August 13, 2026). One hundred dollars put in at the low would be worth $121 today; at the high, $98. The current price $7,680.5 is above 190 of those 208 daily closes, so a purchase on a random day of that stretch would be in profit 91% of the time — fees aside.
A typical day moves SPX500 by 0.7%: a $1,000 position swings about $7 a day.
Low of the stretch$6,347.1 · $100 → $121
High of the stretch$7,802.3 · $100 → $98
Share of profitable dates91% · 190/208
The same calculation for neighbouring instruments
Calculators for other instruments in the “market index” category.