VUSB Butterfly Strategy
VUSB (Vanguard Ultra-Short Bond ETF), in the Financial Services sector, (Asset Management - Bonds industry), listed on CBOE.
The fund’s investment objective is to seek to provide current income while maintaining limited price volatility. The fund invests in a diversified portfolio of high-quality and, to a lesser extent, medium-quality fixed income securities. The fund is expected to maintain a dollar-weighted average maturity of 0 to 2 years. Under normal circumstances, the fund will invest at least 80% of its assets in fixed income securities. The fund is designed to give investors low-cost exposure to money market instruments and short-term high-quality bonds, including asset-backed, government, and investment-grade corporate securities. Although short-term bond funds tend to have a higher yield than money market funds, their share price fluctuates.
VUSB (Vanguard Ultra-Short Bond ETF) trades in the Financial Services sector, specifically Asset Management - Bonds, with a market capitalization of approximately $8.22B, a beta of 0.10 versus the broader market, a 52-week range of 49.58-50.03, average daily share volume of 1.7M, a public-listing history dating back to 2021. These structural characteristics shape how VUSB etf options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 0.10 indicates VUSB has historically moved less than the broader market, dampening realized volatility and producing tighter expected-move bands per unit of dollar exposure. VUSB pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.
What is a butterfly on VUSB?
A long call butterfly buys one lower-strike call, sells two ATM calls, and buys one higher-strike call, paying a small net debit for a defined-risk position that maxes out if the underlying pins the middle strike at expiration.
Current VUSB snapshot
As of May 15, 2026, spot at $49.70, ATM IV 22.50%, IV rank 28.54%, expected move 6.45%. The butterfly on VUSB below is built from the same end-of-day chain, with strikes snapped to listed contracts and premiums pulled from the bid/ask midpoint at a 34-day expiry.
Why this butterfly structure on VUSB specifically: VUSB IV at 22.50% is on the cheap side of its 1-year range, which favors premium-buying structures like a VUSB butterfly, with a market-implied 1-standard-deviation move of approximately 6.45% (roughly $3.21 on the underlying). The 34-day window matched to the front-month expiry keeps theta exposure bounded while still capturing the post-snapshot move; longer-dated VUSB expiries trade a higher absolute premium for lower per-day decay. Position sizing on VUSB should anchor to the underlying notional of $49.70 per share and to the trader's directional view on VUSB etf.
VUSB butterfly setup
The VUSB butterfly below is built from the end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With VUSB near $49.70, the first option leg uses a $47.22 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed VUSB chain at a 34-day expiry; the cross-strike IV skew is reflected directly in the per-leg values rather than approximated. Quantity sizing assumes one contract per option leg (or 100 VUSB shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Call | $47.22 | N/A |
| Sell 2 | Call | $49.70 | N/A |
| Buy 1 | Call | $52.19 | N/A |
VUSB butterfly risk and reward
- Net Premium / Debit
- N/A
- Max Profit (per contract)
- Unbounded
- Max Loss (per contract)
- Unbounded
- Breakeven(s)
- None on modeled curve
- Risk / Reward Ratio
- N/A
Max profit equals the wing width minus net debit times 100 (reached when the underlying pins the middle strike); max loss equals the net debit times 100. Two breakevens at lower-wing plus debit and upper-wing minus debit.
VUSB butterfly payoff curve
Modeled P&L at expiration across a range of underlying prices for the butterfly on VUSB. Each row is one sampled price point from the computed payoff curve; the full curve uses 200 price points internally before being summarized into 10 rows here.
When traders use butterfly on VUSB
Butterflies on VUSB are pinning bets - traders use them when they expect VUSB to settle near a specific level at expiration (often the prior close, a round number, or the max-pain strike) and want defined-risk exposure to that outcome.
VUSB thesis for this butterfly
The market-implied 1-standard-deviation range for VUSB extends from approximately $46.49 on the downside to $52.91 on the upside. A VUSB long call butterfly is a pinning play: it pays maximum at the middle strike if VUSB settles there at expiration, with the wing legs capping both the cost and the maximum loss to the net debit. Current VUSB IV rank near 28.54% sits in the lower third of its 1-year distribution, where IV often re-expands toward the mean; this favors premium-buying structures and disadvantages premium-selling structures on VUSB at 22.50%. As a Financial Services name, VUSB options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to VUSB-specific events.
VUSB butterfly positions are structurally neutral / pin (limited-risk, limited-reward); the modeled P&L assumes European-style exercise at expiration and ignores early assignment, transaction costs, dividends paid before expiry on the stock leg (when present), and the bid-ask spread on the listed chain. VUSB positions also carry Financial Services sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move VUSB alongside the broader basket even when VUSB-specific fundamentals are unchanged. Always rebuild the position from current VUSB chain quotes before placing a trade.
Frequently asked questions
- What is a butterfly on VUSB?
- A butterfly on VUSB is the butterfly strategy applied to VUSB (etf). The strategy is structurally neutral / pin (limited-risk, limited-reward): A long call butterfly buys one lower-strike call, sells two ATM calls, and buys one higher-strike call, paying a small net debit for a defined-risk position that maxes out if the underlying pins the middle strike at expiration. With VUSB etf trading near $49.70, the strikes shown on this page are snapped to the nearest listed VUSB chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are VUSB butterfly max profit and max loss calculated?
- Max profit equals the wing width minus net debit times 100 (reached when the underlying pins the middle strike); max loss equals the net debit times 100. Two breakevens at lower-wing plus debit and upper-wing minus debit. For the VUSB butterfly priced from the end-of-day chain at a 30-day expiry (ATM IV 22.50%), the computed maximum profit is unbounded per contract and the computed maximum loss is unbounded per contract. Live intraday quotes will differ as the chain moves through the trading session.
- What is the breakeven for a VUSB butterfly?
- The breakeven for the VUSB butterfly priced on this page is no defined breakeven on the modeled curve at expiration, derived from end-of-day chain premiums. Breakeven is the underlying price at which the strategy's P&L crosses zero ignoring transaction costs and assignment risk. The current VUSB market-implied 1-standard-deviation expected move is approximately 6.45%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a butterfly on VUSB?
- Butterflies on VUSB are pinning bets - traders use them when they expect VUSB to settle near a specific level at expiration (often the prior close, a round number, or the max-pain strike) and want defined-risk exposure to that outcome.
- How does current VUSB implied volatility affect this butterfly?
- VUSB ATM IV is at 22.50% with IV rank near 28.54%, which is on the low end of its 1-year range. Premium-buying structures (long call, long put, debit spreads) are relatively cheap in this regime; premium-selling structures collect less credit per unit risk.