If I had bought TSM
If I had bought TSM
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into TSM
a week ago-5.1%$100 → $95
a month ago+4.7%$100 → $105
three months ago+3.8%$100 → $104
six months ago+22.7%$100 → $123
since our history starts, April 6, 2026+32.7%$100 → $133
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying TSM
Over the last 188 days TSM closed between $341.87 (April 6, 2026) and $487.20 (October 5, 2026). One hundred dollars put in at the low would be worth $133 today; at the high, $93. The current price $453.52 is above 168 of those 188 daily closes, so a purchase on a random day of that stretch would be in profit 89% of the time — fees aside.
A typical day moves TSM by 2.1%: a $1,000 position swings about $21 a day.
Low of the stretch$341.87 · $100 → $133
High of the stretch$487.20 · $100 → $93
Share of profitable dates89% · 168/188
The same calculation for neighbouring instruments
Calculators for other instruments in the “company stock” category.