VUSB Butterfly Strategy
VUSB (Vanguard Ultra-Short Bond ETF), in the Financial Services sector, (Asset Management - Bonds industry), listed on CBOE.
This ETF is designed to achieve two primary goals: generating consistent current income for investors while keeping its share price fluctuations to a minimum. It invests predominantly in a diverse portfolio of high-quality fixed income securities, with a smaller portion allocated to those of medium quality. The fund typically maintains a dollar-weighted average maturity ranging from zero to two years. Under normal market conditions, at least 80% of its assets will be dedicated to these debt instruments. The VUSB aims to provide investors with economical access to short-duration, high-quality bonds, including those issued by governments, asset-backed securities, and investment-grade corporations, as well as money market instruments. While it often offers a higher yield than traditional money market funds, it's crucial to understand that its share price will fluctuate.
VUSB (Vanguard Ultra-Short Bond ETF) trades in the Financial Services sector, specifically Asset Management - Bonds, with a market capitalization of approximately $8.93B, a beta of 0.10 versus the broader market, a 52-week range of 49.595-50.03, average daily share volume of 1.8M, 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.
VUSB snapshot
As of August 14, 2026, spot at $49.72, ATM IV 28.60%, IV rank 20.38%, expected move 8.20%. The butterfly on VUSB below is built from the end-of-day chain, with strikes snapped to listed contracts and premiums pulled from the bid/ask midpoint at a 35-day expiry.
Why this butterfly structure on VUSB specifically: VUSB IV at 28.60% 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 8.20% (roughly $4.08 on the underlying). The 35-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 $49.72 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 at $49.72 on that close, the first option leg uses a $47.23 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 35-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 | $47.23 | N/A |
| Sell 2 | Call | $49.72 | N/A |
| Buy 1 | Call | $52.21 | 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 $45.64 on the downside to $53.80 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 20.38% 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 28.60%. 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 at $49.72 on the most recent close, the strikes shown on this page are snapped to the nearest listed VUSB chain strike and the premiums come straight from that session's 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 28.60%), 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 the end-of-day chain's premiums. Breakeven is the underlying price at which the strategy's P&L crosses zero ignoring transaction costs and assignment risk. The VUSB market-implied 1-standard-deviation expected move in the same options snapshot is approximately 8.20%; 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 28.60% with IV rank near 20.38%, 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.