{
 "engine_model": "historical",
 "inflation_assumption": 0.02,
 "historical_inflation": "realized-cpi",
 "horizon_years": 30,
 "parity_checks": 8181,
 "allocations": {
  "60/40": {
   "w5": [
    0.6,
    0.0,
    0.4,
    0.0,
    0.0
   ],
   "survival": {
    "0.04": 0.973137973137973,
    "0.045": 0.8815628815628815,
    "0.05": 0.7753357753357754
   },
   "window": "1926-08..2024-09",
   "distinct_sequences": 819,
   "asset_mapping": "international and real estate are folded into US equity; no public monthly series for them reaches 1926",
   "worst_start": "1968-12",
   "worst_rate": 0.03802,
   "best_start": "1982-08",
   "best_rate": 0.12491,
   "median_rate": 0.06533,
   "start_range": [
    "1926-08",
    "1994-10"
   ]
  },
  "50/50": {
   "w5": [
    0.5,
    0.0,
    0.5,
    0.0,
    0.0
   ],
   "survival": {
    "0.04": 0.9523809523809523,
    "0.045": 0.8583638583638583,
    "0.05": 0.7045177045177046
   },
   "window": "1926-08..2024-09",
   "distinct_sequences": 819,
   "asset_mapping": "international and real estate are folded into US equity; no public monthly series for them reaches 1926",
   "worst_start": "1968-12",
   "worst_rate": 0.038188,
   "best_start": "1982-08",
   "best_rate": 0.12034,
   "median_rate": 0.059869,
   "start_range": [
    "1926-08",
    "1994-10"
   ]
  },
  "80/20": {
   "w5": [
    0.8,
    0.0,
    0.19999999999999996,
    0.0,
    0.0
   ],
   "survival": {
    "0.04": 0.982905982905983,
    "0.045": 0.905982905982906,
    "0.05": 0.8107448107448108
   },
   "window": "1926-08..2024-09",
   "distinct_sequences": 819,
   "asset_mapping": "international and real estate are folded into US equity; no public monthly series for them reaches 1926",
   "worst_start": "1929-09",
   "worst_rate": 0.036336,
   "best_start": "1932-07",
   "best_rate": 0.135726,
   "median_rate": 0.074509,
   "start_range": [
    "1926-08",
    "1994-10"
   ]
  }
 },
 "cpi_source": "BLS CPI-U, U.S. city average, all items, NSA (CUUR0000SA0)"
}