Quantopian 401K simplified SPY model; front loaded (4 pay cycles) VS throughout year (26 pay cycles) of $27k

401k

def initialize(context):
    # Reference to SPY
    context.spy = sid(8554)
    schedule_function(buySpread, date_rules.week_start(), time_rules.market_open())
    
def buyFront(context, data):
    weekno = get_datetime('US/Eastern').isocalendar()[1]
    # Invest in first 4 pay cycles
    if (weekno % 2 == 0) and (weekno <=8):
       if data.can_trade(context.spy): 
        order_value(context.spy, 6750) # $6750/pay

def buySpread(context, data):
    weekno = get_datetime('US/Eastern').isocalendar()[1]
    # Invest throughout the year
    if (weekno % 2 == 0) and (weekno <= 52):
       if data.can_trade(context.spy): 
        order_value(context.spy, 1038.461538) # $1038/pay

4weeks.png

52weeks.png