Been looking at small-cap ETF options lately and noticed SPSM and SCHA keep coming up. Both are solid picks if you're trying to get exposure to top small cap stocks, but they're pretty different in how they work.

So here's what I found - SCHA is the broader play with like 1,700+ holdings versus SPSM's 607. That means SCHA gives you way more diversification across top small cap stocks in financials, industrials, and healthcare. The trade-off is you pay slightly more (0.04% vs 0.03% expense ratio), but SCHA's been crushing it - up 22.3% over the past year compared to SPSM's 18.4%. Pretty significant difference.

SPSM is more concentrated, which some people like if they want a tighter portfolio. It's also marginally cheaper and has a higher dividend yield (1.5% vs 1.2%), so if you're income-focused that might appeal. But looking at the holdings, SPSM's top positions (Solstice Advanced Materials, Moog, InterDigital) are each under 1% of the fund, while SCHA's largest position is SanDisk at 2%.

If you're the type who can handle volatility and wants exposure to top small cap stocks with maximum diversification, SCHA seems like the stronger choice based on recent performance. But if you prefer a tighter, more concentrated approach with slightly lower fees, SPSM isn't a bad option either. Really depends on your risk tolerance and what you're trying to achieve with small-cap exposure.