Global X 3415 vs 3417: S&P 500 vs Hang Seng TECH Covered Call ETFs Compared
Contents
Global X 3415 vs 3417: Which Covered Call ETF Actually Delivers After Fees and Tax?
- 3415.HK writes weekly out-of-the-money calls on the S&P 500. Management fee is 0.75%. Underlying implied volatility sits around 15%, so per-contract premiums are modest.
- 3417.HK writes weekly out-of-the-money calls on the Hang Seng TECH Index. Management fee is 0.9%. Underlying implied volatility runs around 42% — nearly three times higher — producing much fatter option premiums.
- The 0.15% expense-ratio gap looks trivial but compounds to roughly 1.5% of capital gone over ten years — real money on a six-figure position.
- Tax angle matters: 3415's US-listed underlying eats a 30% dividend withholding haircut before the fund even writes calls, while 3417's HK underlying faces 0% WHT. HK investors systematically keep more of the income from 3417.
- Our 9-month HK$10K realized-yield test on 3417 printed 13% on the face value and 12% in the pocket. The headline "~15% yield" you see in marketing materials overstates what you actually take home.
- HKD-based income investors lean 3417 for zero WHT and higher premium capture; USD-based investors who want index steadiness lean 3415. Neither is a bull-market vehicle.
Product Snapshot
| Attribute | 3415.HK | 3417.HK |
|---|---|---|
| Full name | Global X S&P 500 Covered Call Active ETF | Global X Hang Seng TECH Covered Call Active ETF |
| Launch | January 2024 | January 2024 |
| Underlying | S&P 500 ETF | Hang Seng TECH Index (HSTECH) |
| Option strategy | Weekly OTM calls on S&P 500 | Weekly OTM calls on HSTECH |
| Expense ratio (ER) | 0.75% | 0.9% |
| Underlying implied volatility | ~15% | ~42% |
| Target distribution yield | ~8–10% | ~12–15% (face) / ~7–12% realized |
| Distribution frequency | Monthly | Monthly |
| Underlying dividend WHT | 30% (US source) | 0% (HK source) |
| Currency | HKD traded, USD exposure | HKD |
Both products trade on the Hong Kong Stock Exchange with T+2 settlement and a 100-unit board lot. Both are run by Global X ETFs Hong Kong. Everything interesting about the comparison sits in the three columns below: fee, volatility, and tax treatment.
For the underlying index mechanics, the Hang Seng TECH ETF guide covers HSTECH constituents and sector concentration in more detail. For the broader category, the Hong Kong covered call ETF guide walks through how the option-writing machinery actually works.
Why the 0.15% ER Difference Matters Over 10 Years
On paper, 0.75% vs 0.9% looks like rounding noise. Over a single year, on HK$100,000 invested, the fee gap is HK$150. Worth mentioning, not worth losing sleep over.
Run it forward ten years and the math stops being cute. Here is what a 0.15% annual drag does to HK$100,000 assuming both products deliver an identical 8% pre-fee return (they won't — that's the point, we're isolating just the fee effect):
- After 10 years at 7.25% net (8% − 0.75%): HK$201,220
- After 10 years at 7.10% net (8% − 0.90%): HK$198,324
- Gap: HK$2,896, or roughly 1.45% of your starting capital
On HK$500,000 the gap widens to around HK$14,500. Over fifteen years it balloons past 2% of starting capital. Fee drag is the one factor that never has a good year — it compounds against you every month the market is open.
That said: the 0.15% premium on 3417 is not automatic overhead. Writing weekly calls on a 42%-IV index is genuinely harder — wider spreads, faster theta decay, more rolling discipline required — than writing the same on a 15%-IV index. Whether that 0.15% is earned depends on whether 3417's volatility harvest outpaces the fee, which brings us to the next section.
Volatility Harvest: HSTECH 42% IV vs S&P 500 15% IV
Option premiums are roughly linear in implied volatility at a given strike distance and time-to-expiry. So an index trading at 42% IV should, all else equal, command option premiums close to 2.8x what a 15%-IV index offers for the same OTM distance.
This is the core investment case for 3417 over 3415. HSTECH's volatility is a bug for long-only holders (your portfolio bounces around a lot) and a feature for a covered-call overlay (the fund collects fatter premiums every week). The S&P 500 is calmer, more boring, and in pure option-writing terms less lucrative per unit of notional exposure.
Three caveats on the volatility harvest:
- Realized volatility often underperforms implied. When actual HSTECH moves are smaller than the market priced in, the fund keeps the premium and everyone wins. When actual moves are larger — sharp rallies especially — the cap bites and the fund underperforms the index.
- Weekly writing captures theta aggressively. Both funds write weekly, which is unusual — most US covered-call ETFs (XYLD, QYLD) write monthly. Weekly cycles compound premium collection but also compound the cap risk during sustained rallies.
- HSTECH's volatility regime can shift. In 2024's late-year Chinese stimulus rally, HSTECH IV temporarily crushed as the index rallied 40%+ in three months. Premiums compressed, and 3417 holders ate the cap on the upside without getting the fat premium they were used to collecting.
The volatility harvest thesis is real but lumpy. It works best in sideways-choppy tape, badly in one-way rallies, and unevenly in crashes (premiums widen but so do realized losses on the underlying).
Tax Angle: WHT Impact on Option Premium
This is the section most comparisons skip. It matters.
The ETF wrapper itself pays 0% tax in Hong Kong. That is the same for 3415 and 3417. HK-resident individual investors owe no capital gains tax on ETF price appreciation and no dividend tax on the ETF's distributions.
But the underlying is different. 3415 holds a US-listed S&P 500 ETF. Before that ETF's dividends reach 3415, the US IRS withholds 30% of the dividend yield as non-resident withholding tax. On a ~1.3% S&P 500 dividend yield, that is roughly 0.4% of NAV disappearing every year into the US Treasury before Global X's option machinery can do anything with it.
3417 holds HSTECH underlying stocks directly. Hong Kong levies 0% WHT on dividends at the HK source. The full underlying dividend income flows into the fund, available to bolster distributions.
Here is the approximate tax drag delta, over a full year:
- 3415: 30% × ~1.3% S&P 500 dividend yield = ~0.39% annual tax drag on the underlying
- 3417: 0% × HSTECH dividend yield = 0% annual tax drag
For an HK-based income investor, the combined drag story on 3415 is ER 0.75% + WHT 0.39% = ~1.14% annual friction before the option strategy even starts. On 3417 it is ER 0.90% + WHT 0% = ~0.90% annual friction. The headline ER difference inverts once you include tax.
Caveat: this analysis assumes the fund can't reclaim the WHT (it largely cannot, at the fund level, for passive holdings in a non-treaty position). If you're a US taxpayer instead of HK-based, the arithmetic flips because you can credit foreign tax paid.
9-Month Realized Yield Comparison
I ran a HK$10,000 position in 3417 from July 2025 through March 2026 — nine months — specifically to see whether the "~15% yield" advertising actually shows up in the account. Here's what I recorded.
3417 over 9 months, HK$10,000 starting position:
- Total distributions received: HK$975
- Face-value yield on starting capital: 9.75% over 9 months = ~13% annualized
- After unit-price drift (slight NAV decay from cap-bite during two rally weeks): net income in pocket was roughly HK$900
- Realized yield in the hand: ~12% annualized
The 15% headline figure in marketing materials reflects the distribution rate at peak-premium moments, not a steady-state realized yield across a typical quarter. My result — 12% realized — is still very solid income, but it's three percentage points shy of what a casual brochure read would suggest.
I don't have an equally disciplined 3415 test to publish alongside, but based on S&P 500 option chain data and the 0.4% WHT drag, a reasonable expectation for 3415 is 7–9% realized in the same period. Lower face yield, lower tax drag, more predictable.
Between "~12% realized from 3417" and "~8% realized from 3415," the HKD investor earns roughly 4 percentage points of additional yield for taking on substantially more index volatility and sector concentration. That's the trade. Whether it's a good trade depends on whether you can stomach a 20% HSTECH drawdown without selling.
Decision Tree: HKD vs USD Investor
You are an HKD-based income investor (paid in HKD, spend in HKD):
- 3417 is the cleaner pick. Zero WHT means the underlying income flows through without friction. The 0.9% ER is offset and then some by the 0.39% WHT you'd eat on 3415.
- Caveat: HSTECH is heavily concentrated in a handful of names (Tencent, Alibaba, Meituan, Xiaomi, JD, NetEase). If you already hold these individually, 3417 doubles your exposure.
You are a USD-based investor (earnings in USD, retire in USD):
- 3415 reduces FX mismatch. The underlying S&P 500 is USD-denominated even though the ETF trades in HKD, so distributions track USD-real terms better.
- S&P 500 volatility (~15%) is substantially lower than HSTECH (~42%). Your portfolio won't swing as hard — useful if you're drawing on it for living expenses.
- If you're a US tax resident, the 30% WHT on US dividends is creditable against your US tax bill. The WHT drag doesn't apply to you the way it does to an HK investor.
You want the highest possible income and accept higher risk:
- 3417, sized carefully. Treat it as a satellite position, not a core holding. 10–15% of an income-focused portfolio is a reasonable upper bound.
You want the smoothest ride with some income uplift over a plain S&P 500 ETF:
- 3415. You sacrifice some upside participation for the premium income; volatility and drawdowns are closer to the underlying index.
You want to buy both and diversify the volatility regime:
- Reasonable. 60/40 split between 3415 (lower-vol base) and 3417 (higher-vol income amplifier) gives you a blended realized yield around 9–10% with less sector concentration than either alone.
SSRN Academic Study
A working paper on SSRN (ID 5268716), "Covered Call ETF War in Hong Kong," authored by CS Lo, analyzes the full set of HKEX covered-call ETFs including 3415, 3417, and the HSI-tracking products. Three findings from the paper are worth flagging for this comparison:
- Risk-adjusted return differential is smaller than headline yield implies. The paper computes Sortino ratios and finds that 3417's information ratio versus HSTECH is modest — much of the excess distribution yield is compensation for realized drawdowns, not free alpha.
- Fee pressure is likely to intensify. The paper argues that as this ETF category matures, management fees across the Global X HK covered-call lineup are likely to compress toward 0.5–0.6%. If that plays out, the 0.15% ER gap between 3415 and 3417 may narrow, but the WHT arithmetic persists.
- Cross-border tax treatment dominates small ER differences. Lo specifically identifies the HK 0% WHT versus US 30% WHT asymmetry as the single largest driver of net yield differential between HK-underlying and US-underlying covered-call products. That finding is consistent with the rough numbers I laid out in the tax section above.
For anyone putting real money into these products, the paper is worth reading in full. The takeaway is not that one product beats the other universally — it's that the comparison depends on your tax residency, your currency of living expenses, and your tolerance for sector concentration.
FAQ
Is 3417's 15% yield sustainable?
Probably not at 15% exactly, based on my 9-month test showing 12% realized. Closer to 10–12% is a reasonable steady-state expectation. The "15%" figure reflects peak-premium weeks and marketing rounding.
Can I hold both 3415 and 3417?
Yes, and many income investors do. They diversify across volatility regimes (low-IV US large-cap vs high-IV HK tech). A 60/40 or 50/50 split is reasonable.
What happens if HSTECH crashes 30%?
3417 will fall by roughly 25–27% — the premium income offsets about 10–15% of the index drop. Covered-call ETFs are not hedges. They are yield-enhanced long positions with a capped upside and nearly full downside participation.
Why does 3415 charge less than 3417 if US options are more liquid?
The fee is largely about the cost of running the active option-writing operation. Hang Seng TECH options are less liquid than S&P 500 options, so the operational friction is higher, justifying the modest fee premium. The 0.15% differential is not arbitrage — it reflects real execution cost.
Should I prefer 3417 if I'm already long Tencent, Alibaba, and Meituan directly?
Probably not at full weight. You'd be concentrating further into a handful of names. Consider 3415 for sector diversification while keeping your direct HK tech picks.
Bottom Line
3415 and 3417 sit at opposite ends of the covered-call volatility spectrum. 3415 harvests modest premium from a calm, deep, heavily-traded US index with a tax drag that hurts HK investors but helps US ones. 3417 harvests fat premium from a volatile, concentrated HK tech index with no tax drag for HK investors but real sector and drawdown risk.
The honest version: neither is a bull-market vehicle, both will disappoint in sharp rallies, and both earn their keep when markets chop sideways or drift down modestly. If you're building an HKD income portfolio, 3417 is the cleaner fit. If you're building a USD income portfolio or you already hold HK tech names individually, 3415 probably serves you better.
Before committing capital, pull up the current factsheets from Global X ETFs Hong Kong. Distribution policies shift, fee schedules adjust, and the option-writing discipline behind the scenes does drift over time. Knowing which of those matter to your specific tax and currency situation is what separates yield chasing from actual income investing.
If you're shopping for a broker to trade these, moomoo Hong Kong and Interactive Brokers both offer clean HKEX access with competitive commission structures for board-lot orders. Neither pays you to buy either ETF; pick based on your platform comfort and your other holdings.