Research
Investment knowledge and market notes on the Nasdaq-100, S&P; 500, QDII funds and ETFs.
Featured Research
Nasdaq ETF Guide: QQQ, QQQM, IQQ, QNDX and Variants
Compare QQQ, QQQM, IQQ, and QNDX by price, issuer, fees, size, strengths, and drawbacks, then understand ONEQ, QQEW, QQQJ, TQQQ, QLD, and QYLD.
Read researchSPY Volatility History: Every Major Move, 1993–2026
A complete review of SPY's 15 peak-to-trough drawdowns of at least 10% and 44 daily moves of at least 5% from 1993 through 2026, with causes and recovery dates.
Read researchCore US ETF Guide: SPY, VOO, QQQ, SMH, DRAM, EWY
Compare core US ETFs, technology and semiconductor ETFs, plus DRAM and EWY by performance, holdings, investment use case, and key risks.
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Do High VIX and VXN Levels Signal a Time to Buy SPY and QQQ?
A 2000–2026 study of VIX versus SPY and VXN versus QQQ, including same-day correlations, forward returns after volatility spikes, and further drawdown risk.
Read researchSVOL Volatility Premium ETF: NAV, Performance and Risk
Understand SVOL strategy, NAV versus market price, performance evaluation, volatility risks, and why index tracking error may not apply.
Read researchWhat Is China's Equivalent of the S&P; 500?
Compare the CSI 300, CSI A500 and SSE 50 to understand which Chinese index is closest to the S&P; 500 for different use cases.
Read researchDRAM Holdings & Official CSV Guide
Review Roundhill Memory ETF holdings, exposure types, data caveats, and the official DRAM holdings download source.
Read researchQQQM Holdings & Sector Allocation
Explore QQQM top holdings, sector allocation, concentration, fees, and dated official sources.
Read researchUS Stock and ETF Glossary
A glossary for US stocks, ETFs, indexes, fees, holdings, premiums, drawdowns, volatility, and market data terms.
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