If I had bought SPGI
If I had bought SPGI
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into SPGI
a week ago+5.6%$100 → $106
a month ago-0.7%$100 → $99
since our history starts, August 19, 2026-4.4%$100 → $96
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying SPGI
Over the last 37 days SPGI closed between $386.20 (October 2, 2026) and $450.47 (September 3, 2026). One hundred dollars put in at the low would be worth $106 today; at the high, $91. The current price $407.72 is above 17 of those 37 daily closes, so a purchase on a random day of that stretch would be in profit 46% of the time — fees aside.
A typical day moves SPGI by 1.9%: a $1,000 position swings about $19 a day.
Low of the stretch$386.20 · $100 → $106
High of the stretch$450.47 · $100 → $91
Share of profitable dates46% · 17/37
The same calculation for neighbouring instruments
Calculators for other instruments in the “company stock” category.