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+0.9%$100 → $101
a month ago+2.9%$100 → $103
three months ago+3.1%$100 → $103
six months ago+14.2%$100 → $114
since our history starts, January 29, 2026+12.2%$100 → $112
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying SPX500
Over the last 254 days SPX500 closed between $6,347.1 (March 27, 2026) and $7,825.2 (October 6, 2026). One hundred dollars put in at the low would be worth $123 today; at the high, $100. The current price $7,811.2 is above 252 of those 254 daily closes, so a purchase on a random day of that stretch would be in profit 99% 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 → $123
High of the stretch$7,825.2 · $100 → $100
Share of profitable dates99% · 252/254
The same calculation for neighbouring instruments
Calculators for other instruments in the “market index” category.