Constituent dispersion · breadth vs the index
QTUM — Defiance Quantum
Concentration 17.11% in top 5 50.76 effective names · HHI 197
RS vs S&P 500 21d +15.44pp sector return − SPY
RS vs Nasdaq-100 21d +14.00pp sector return − QQQ
Broad advance - breadth is rising with price. Last 21 sessions — price +14.17% · A/D +21 (+0.4/name)
QTUM price
Cumulative advance / decline of constituents — rises when more names are up than down; turns before price at inflections
Dispersion by window
| Window | ETF | Median | Median − ETF | Up / Down | Beat / Lag | ±1% band | Dispersion |
|---|---|---|---|---|---|---|---|
| 1d | -3.56% | -2.71% | +0.85pp | 13 / 40 | 33 / 20 | 11 of 53 | ±3.39% |
| 5d | +4.76% | +1.47% | -3.29pp | 33 / 20 | 15 / 38 | 5 of 53 | ±6.65% |
| 21d | +16.95% | +4.93% | -12.03pp | 39 / 13 | 16 / 36 | 2 of 52 | ±20.42% |
| YTD | +94.47% | +40.15% | -54.32pp | 38 / 14 | 18 / 34 | 0 of 52 | ±76.8% |
Median − ETF below zero means the typical name is lagging the cap-weighted index — the move is top-heavy. "Beat" counts constituents outperforming the ETF over the window. Dispersion is the cross-sectional standard deviation of constituent returns — high = a stock-picker's tape, low = pure beta.
What drove the move — contribution = weight × return
Today (1d)
- CRWV+6.13%+0.06pp
- LSCC+3.07%+0.05pp
- ORCL+4.62%+0.03pp
- HPE+1.76%+0.03pp
- TDC+1.88%+0.02pp
- MRVL-9.78%-0.25pp
- INTC-8.45%-0.22pp
- MU-6.18%-0.2pp
- AMD-7.30%-0.14pp
- STM-5.57%-0.14pp
This month (21d)
- ARM+89.49%+2.06pp
- MRVL+57.54%+1.49pp
- MU+40.86%+1.3pp
- ALAB+55.45%+1.06pp
- HPE+43.63%+0.71pp
- BIDU-16.71%-0.13pp
- BABA-16.31%-0.1pp
- AVGO-11.40%-0.09pp
- SNPS-10.76%-0.09pp
- NVDA-7.95%-0.08pp
Each name's contribution = its index weight × its return — the percentage points it added to (green) or subtracted from (red) the ETF's move. Computed across covered names.
Leaders & laggards (21-day)
- ARM+89.49%
- MRVL+57.54%
- ALAB+55.45%
- SNOW+51.34%
- HPE+43.63%
- BIDU-16.71%
- BABA-16.31%
- AVGO-11.40%
- SNPS-10.76%
- NVDA-7.95%
Other ETFs & indices
Dispersion is computed across the constituents we cover in our data lake (see coverage badge). Decision-support, not investment advice.