Least fit overfit
Today’s Change (Mar 18, 2026)
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A symphony is an automated trading strategy — Learn more about symphonies here
About
A rules‑based, all‑weather portfolio. It goes on offense with QLD (levered tech) when stocks are calm and shifts to defense (staples, cash‑like Treasuries, gold, US dollar, anti‑beta) when choppy. Bonds and commodities are managed by trend and volatility rules.
- 35% stocks: If markets are calm, buy QLD (2x tech‑heavy Nasdaq‑100). If choppy, split across SPY (US stocks), BTAL (defensive long/short), XLP (consumer staples).
- 30% bonds: Mix Treasuries, TIPS, and corporates. If long Treasuries are calm, add TMF (3x long) with short‑term Treasuries; if choppy, hold SHY plus UUP (US dollar), GLD (gold), XLP. Also a small trend picker among cash, long Treas, high yield, gold, dollar, and a 3–7y Treasury anchor.
- 20% inflation hedge: Rotate between staples and a defensive mix (UUP/SHV/BTAL/GLD); trend‑pick DBC (commodities) or GLD vs cash/dollar; may short long Treasuries via TMV (3x inverse) when rates rise, else hold VTIP (short‑term TIPS).
- 15% overlay: Own the 2 strongest (by ~4‑month trend) of SPY, TLT, GLD, DBC, UUP, SHV.
Out-of-sample, this all‑weather strategy outperforms the S&P on risk. Sharpe ~1.51 vs 1.40; Calmar ~2.07; max drawdown ~10% vs ~19%. It favors tech in calm markets and hedges in choppy periods for steadier, resilient growth.
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Invest in this strategy
OOS Start Date
May 19, 2023
Trading Setting
Threshold 2%
Type
Stocks
Category
All-weather tactical, multi-asset, volatility-switching, momentum, inflation hedge, bonds, commodities, gold, usd, defensive factor, leveraged etfs
Tickers in this symphonyThis symphony trades 18 assets in total
Ticker
Type
BTAL
AGF U.S. Market Neutral Anti-Beta Fund
Stocks
DBC
Invesco DB Commodity Index Tracking Fund
Stocks
GLD
SPDR Gold Trust, SPDR Gold Shares
Stocks
HYG
iShares iBoxx $ High Yield Corporate Bond ETF
Stocks
IEF
iShares 7-10 Year Treasury Bond ETF
Stocks
IEI
iShares 3-7 Year Treasury Bond ETF
Stocks
LQD
iShares iBoxx $ Investment Grade Corporate Bond ETF
Stocks
QLD
ProShares Ultra QQQ
Stocks
SHV
iShares Trust iShares 0-1 Year Treasury Bond ETF
Stocks
SHY
iShares 1-3 Year Treasury Bond ETF
Stocks