SPY S&P 500 ETF · quantitative analysisUptrend

Trend regime, momentum, risk — and what a rule-based system does about it. Computed daily by the IVEST research system. As of 2026-08-19.

1-year price (gold) vs 200-day moving average (dashed). Last close 769.06

Trend regime
ABOVE 200MA
Distance to 200MA
+9.2%
50/200 cross
GOLDEN
Composite score
72/100
Residual momentum pct (factor-stripped)
49
Trend persistence (63d)
100%
Volatility (ann.)
13%
Max drawdown (1y)
-9%
Worst day (1y)
-2.7%
Off 52w high
-1.1%
RSI (14d)
78
Beta / corr (SPY)
— / —
MA 20 / 50 / 200
760 / 750 / 704
52-week range
629 – 778

Systematic playbook

These rules describe how systematic trend-following strategies typically operate — a framework, not a recommendation for any individual.

Momentum across horizons

HorizonReturnUniverse percentile
1M+2.8%49
3M+5.1%49
6M+12.7%66
12M+20.9%55

Cross-sectional percentile ranks SPY against ~200 liquid US names — a stock can be "up" and still lag the tape. Persistent top-quartile momentum across horizons is the profile trend systems allocate to.

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How this is computed

Trend regime uses the 200-day moving average — the same gate the IVEST core applies before holding leveraged exposure. Residual momentum strips the market-beta component from returns before ranking — the single-factor edition of the signal the IVEST live book actually allocates on (the live version adds multi-factor residualization and earnings features under CPCV validation). Trend persistence measures how consistently the name held its regime over the last quarter. Composite score = 30·(trend) + 25·(raw momentum pct) + 25·(residual momentum pct) + 20·(1 − volatility pct): fully transparent. Every number regenerates daily from raw prices — no analyst opinion in the loop.

FAQ

Is SPY in an uptrend right now?

Yes — SPY trades +9.2% above its 200-day moving average, the classic systematic uptrend definition.

Should I buy SPY now?

No page can answer that for you — but a trend system's checklist is public: regime ✅ above the 200-day line; momentum percentile 49/100; extension ⚠ stretched (+9.2% — pullback entries preferred); predefined exit at 704.11. If any of those words are unfamiliar, position sizing — not stock picking — is the first thing to learn (Kelly calculator).

What is SPY's 200-day moving average?

704.11 as of 2026-08-19 (close 769.06, +9.2%). The 50-day sits at 750.17 — the 50/200 relationship is currently a golden cross.

How risky is SPY?

Annualized volatility 13%, worst single day in the last year -2.7%, worst peak-to-trough -9%. Beta to SPY: —. Size positions so that this drawdown profile is survivable — see the playbook above.

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