If I had bought SPYM
If I had bought SPYM
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into SPYM
a week ago+1.3%$100 → $101
a month ago+1.9%$100 → $102
since our history starts, August 5, 2026+1.2%$100 → $101
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying SPYM
Over the last 47 days SPYM closed between $88.79 (September 6, 2026) and $92.51 (September 5, 2026). One hundred dollars put in at the low would be worth $104 today; at the high, $99. The current price $91.95 is above 46 of those 47 daily closes, so a purchase on a random day of that stretch would be in profit 98% of the time — fees aside.
A typical day moves SPYM by 1.5%: a $1,000 position swings about $15 a day.
Low of the stretch$88.79 · $100 → $104
High of the stretch$92.51 · $100 → $99
Share of profitable dates98% · 46/47
The same calculation for neighbouring instruments
Calculators for other instruments in the “exchange-traded fund” category.