If I had bought PFE
If I had bought PFE
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into PFE
a week ago+1.0%$100 → $101
a month ago-0.9%$100 → $99
since our history starts, August 5, 2026+7.8%$100 → $108
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying PFE
Over the last 48 days PFE closed between $25.80 (August 5, 2026) and $29.01 (September 2, 2026). One hundred dollars put in at the low would be worth $108 today; at the high, $96. The current price $27.80 is above 26 of those 48 daily closes, so a purchase on a random day of that stretch would be in profit 54% of the time — fees aside.
A typical day moves PFE by 1.2%: a $1,000 position swings about $12 a day.
Low of the stretch$25.80 · $100 → $108
High of the stretch$29.01 · $100 → $96
Share of profitable dates54% · 26/48
The same calculation for neighbouring instruments
Calculators for other instruments in the “company stock” category.