First-to-Last Day of Month vs 200-Day SMA Regime Filter
Two rule sets, 59 ETFs, one engine and one window.
| monthly cycle | 200-day regime filter | |
|---|---|---|
| Median CAGR (59 ETFs) | 5.5% | 1.8% |
| Median max drawdown | −36.6% | −22.2% |
| ETFs won (by CAGR) | 28 | 31 |
| Style | measuring how much of an asset's return accrues inside the month versus across month boundaries | a first systematic strategy, simple enough to audit every trade |
Where the gap was biggest
| ETF | monthly cycle | 200-day regime filter | gap |
|---|---|---|---|
| SOXS | −77.5% | −19.7% | 57.7% |
| TECS | −55.6% | −13.9% | 41.8% |
| UVXY | −68.7% | −29.8% | 38.9% |
| SQQQ | −44.6% | −10.5% | 34.1% |
| TECL | 36.0% | 11.5% | 24.4% |
| REW | −37.2% | −13.0% | 24.2% |
| TMF | −32.2% | −10.5% | 21.7% |
| FAS | 17.0% | −2.7% | 19.7% |
| QID | −28.8% | −10.5% | 18.3% |
| CTA | 13.3% | −3.0% | 16.3% |
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Frequently asked questions
Which is better: monthly cycle or 200-day regime filter?
On this 2021-01-04 to 2026-10-02 window, 200-day regime filter produced the higher CAGR on 31 of 59 ETFs. Median CAGR: monthly cycle 5.5% vs 200-day regime filter 1.8%; median max drawdown: 36.6% vs 22.2%. Which is better depends on the asset and what you optimize for. The per-ETF table shows where each wins.
Dig deeper
Backtests are hypothetical, computed by DeployQuant's engine on minute-resolution consolidated US market data (2021-01-04 to 2026-10-02, $10,000 starting capital, no margin, no fees or slippage in the headline run; buy-and-hold puts 98% of the account in at the first open, as the templates do) and do not guarantee future results. Nothing on this page is investment advice. Live trading involves risk of loss.