Composer · investment strategy
by Composer Technologies · via Composer
A simple daily toggle between US (SPY) and European (IEUR) stock markets: 100% in whichever did better over the last month. Always fully invested; no bonds or cash; may switch frequently.
Description from Composer
of the return and risk figures:as the source publishes them
What $10,000 would have become, from the strategy's own published history, against the S&P 500 over the same dates. The basis is labelled.
This strategy doesn’t publish a performance history we can chart.
Each rule is quoted word for word from the strategy's own documents.
No rules extracted from this strategy’s text yet.
1 positions as of 2026-10-19
: the platform's backtest holdings, not a client account.
Compares the stated rules with the holdings (or, where none are published, a mix estimated from returns), using tests fixed before any results were seen.
3.0% of weight in (IVV: 3.0%)
1 fund (SEC N-PORT, as of 2026-06-30) · : SPY via IVV
This strategy’s rules haven’t been extracted yet, so there’s no claim to compare with. The measurement is still shown. : 99% · 2026-10-19 ()
0.0% of weight in (SPY: 0%)
This strategy’s rules haven’t been extracted yet, so there’s no claim to compare with. The measurement is still shown. : 100% · 2026-10-19 ()
0 of 2 funds in its are
This strategy’s rules haven’t been extracted yet, so there’s no claim to compare with. The measurement is still shown. : 100%
Strategies that share its International equities label, from other sources first, strongest risk-adjusted return first.
Collective2
Composer Technologies · Composer
How much of what we look for this strategy has, and why anything is missing. Fields that don't apply to it aren't counted.
4 missing
The text the rules are quoted from, with where it came from.
Each day, it looks at the past 30 trading days and asks: which did better, US stocks (SPY) or European stocks (IEUR)? If SPY did better, it puts 100% into SPY. Otherwise, it puts 100% into IEUR (a tie counts as Europe). It checks again the next day and switches if the leader changes.
A simple daily toggle between US (SPY) and European (IEUR) stock markets: 100% in whichever did better over the last month. Always fully invested; no bonds or cash; may switch frequently.
Out-of-sample, this US/Europe momentum rotation offers superior risk-adjusted returns vs SPY: Sharpe ~1.53 vs ~1.07, annualized return ~24.7% vs ~17.8%, lower max drawdown ~14.2% vs ~18.8%, and Calmar ~1.74.
Every value on file, each labelled with its calculation basis and as-of date.
| Backtest final value (from $10,000) | $33k | 2026-10-19 | |
| Backtest regulatory fees | $104 | 2026-10-19 | |
| Backtest slippage cost | $863 | 2026-10-19 |
| AI categories (Composer) | equities, long-only, momentum, relative strength, rotation, us vs europe | ||
| Asset classes / instruments | equities |
| Logic complexity (node count) | 6 | 2026-10-19 | |
| Rebalance frequency | daily |
| Concentration (Herfindahl index, out-of-sample, as Composer reports it) | 1 | 2026-10-19 | |
| Ticker universe (assets the logic can hold) | show[ "IEUR", "SPY" ] | 2026-10-19 |
| Alpha vs SPY, out-of-sample (out-of-sample) | 0.09 | 2026-10-19 | |
| Beta vs SPY, out-of-sample (out-of-sample) | 0.77 | 2026-10-19 | |
| Correlation (R) vs SPY, out-of-sample (out-of-sample) | 0.84 | 2026-10-19 |
| Remixes (copies) | 5 | 2026-10-19 | |
| Watchers | 4 | 2026-10-19 |
| Community review status | ACTIVE | 2026-10-19 |
| Backtest length | 3,076 | 2026-10-19 | |
| Out-of-sample length | 496 | 2026-10-19 | |
| Return, backtest period (annualized) (backtest) | 10.35% | 2026-10-19 | |
| Return, backtest period (cumulative) (backtest) | 232.95% | 2026-10-19 | |
| Return, out-of-sample period (annualized) (out-of-sample) | 24.74% | ||
| Return, out-of-sample period (cumulative) (out-of-sample) | 53.85% | ||
| Return, trailing 1 day (out-of-sample) | -1.11% | 2026-10-19 | |
| Return, trailing 1 month (out-of-sample) | 2.37% | ||
| Return, trailing 1 week (out-of-sample) | -1.49% | 2026-10-19 | |
| Return, trailing 1 year (backtest) | 15.97% | 2026-10-19 | |
| Return, trailing 1 year (out-of-sample) | 16.17% | ||
| Return, trailing 2 weeks (out-of-sample) | -1.08% | 2026-10-19 | |
| Return, trailing 3 months (out-of-sample) | 4.06% | ||
| SPY annualized return over the backtest window (backtest) | 13.62% | 2026-10-19 |
| Calmar ratio, backtest period (backtest) | 0.31 | 2026-10-19 | |
| Calmar ratio, out-of-sample period (out-of-sample) | 1.74 | ||
| Maximum drawdown, backtest period (backtest) | -33.72% | 2026-10-19 | |
| Maximum drawdown, out-of-sample period (out-of-sample) | -14.25% | ||
| Sharpe ratio, backtest period (backtest) | 0.65 | 2026-10-19 | |
| Sharpe ratio, out-of-sample period (out-of-sample) | 1.53 | ||
| Sortino ratio, backtest period (backtest) | 0.90 | 2026-10-19 | |
| Sortino ratio, out-of-sample period (out-of-sample) | 2.16 | 2026-10-19 | |
| Standard deviation, backtest period (backtest) | 17.49% | 2026-10-19 | |
| Standard deviation, out-of-sample period (out-of-sample) | 15.28% |
| Annualized turnover, backtest period (backtest) | 20.81 | 2026-10-19 | |
| Annualized turnover, out-of-sample period (out-of-sample) | 25.40 | 2026-10-19 | |
| Daily win rate, backtest period (backtest) | 54.26% | 2026-10-19 | |
| Daily win rate, out-of-sample period (out-of-sample) | 56.45% | 2026-10-19 |
Composer Technologies · Composer
Composer Technologies · Composer
