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-5.0%$100 → $95
a month ago-7.0%$100 → $93
three months ago-6.2%$100 → $94
since our history starts, August 5, 2026-5.8%$100 → $94
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying SPYM
Over the last 93 days SPYM closed between $84.80 (November 5, 2026) and $93.65 (October 11, 2026). One hundred dollars put in at the low would be worth $101 today; at the high, $91. The current price $85.54 is above 1 of those 93 daily closes, so a purchase on a random day of that stretch would be in profit 1% of the time — fees aside.
A typical day moves SPYM by 1.6%: a $1,000 position swings about $16 a day.
Low of the stretch$84.80 · $100 → $101
High of the stretch$93.65 · $100 → $91
Share of profitable dates1% · 1/93
The same calculation for neighbouring instruments
Calculators for other instruments in the “exchange-traded fund” category.