SPXU Butterfly Strategy
SPXU (ProShares - UltraPro Short S&P500), in the Financial Services sector, (Asset Management - Leveraged industry), listed on AMEX.
The ProShares UltraPro Short S&P500 (SPXU) aims to deliver daily investment performance that inversely correlates with the S&P 500 index, specifically targeting three times (-3x) the opposite of its day-to-day return. This objective is pursued prior to accounting for any fund expenses or management fees.
SPXU (ProShares - UltraPro Short S&P500) trades in the Financial Services sector, specifically Asset Management - Leveraged, with a market capitalization of approximately $469.0M, a beta of -2.75 versus the broader market, a 52-week range of 35.82-68.12, average daily share volume of 10.3M, a public-listing history dating back to 2009. These structural characteristics shape how SPXU etf options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of -2.75 indicates SPXU has historically moved less than the broader market, dampening realized volatility and producing tighter expected-move bands per unit of dollar exposure. SPXU pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.
What is a butterfly on SPXU?
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 SPXU snapshot
As of June 30, 2026, spot at $37.03, ATM IV 40.72%, IV rank 22.38%, expected move 11.67%. The butterfly on SPXU 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 31-day expiry.
Why this butterfly structure on SPXU specifically: SPXU IV at 40.72% is on the cheap side of its 1-year range, which favors premium-buying structures like a SPXU butterfly, with a market-implied 1-standard-deviation move of approximately 11.67% (roughly $4.32 on the underlying). The 31-day window matched to the front-month expiry keeps theta exposure bounded while still capturing the post-snapshot move; longer-dated SPXU expiries trade a higher absolute premium for lower per-day decay. Position sizing on SPXU should anchor to the underlying notional of $37.03 per share and to the trader's directional view on SPXU etf.
SPXU butterfly setup
The SPXU 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 SPXU near $37.03, the first option leg uses a $35.00 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed SPXU chain at a 31-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 SPXU shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Call | $35.00 | $2.83 |
| Sell 2 | Call | $37.00 | $2.18 |
| Buy 1 | Call | $39.00 | $1.25 |
SPXU butterfly risk and reward
- Net Premium / Debit
- +$27.50
- Max Profit (per contract)
- $212.39
- Max Loss (per contract)
- $27.50
- Breakeven(s)
- None on modeled curve
- Risk / Reward Ratio
- 7.723
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.
SPXU butterfly payoff curve
Modeled P&L at expiration across a range of underlying prices for the butterfly on SPXU. 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.
| Underlying Price | % From Spot | P&L at Expiration |
|---|---|---|
| $0.01 | -100.0% | +$27.50 |
| $8.20 | -77.9% | +$27.50 |
| $16.38 | -55.8% | +$27.50 |
| $24.57 | -33.7% | +$27.50 |
| $32.76 | -11.5% | +$27.50 |
| $40.94 | +10.6% | +$27.50 |
| $49.13 | +32.7% | +$27.50 |
| $57.32 | +54.8% | +$27.50 |
| $65.50 | +76.9% | +$27.50 |
| $73.69 | +99.0% | +$27.50 |
When traders use butterfly on SPXU
Butterflies on SPXU are pinning bets - traders use them when they expect SPXU 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.
SPXU thesis for this butterfly
The market-implied 1-standard-deviation range for SPXU extends from approximately $32.71 on the downside to $41.35 on the upside. A SPXU long call butterfly is a pinning play: it pays maximum at the middle strike if SPXU settles there at expiration, with the wing legs capping both the cost and the maximum loss to the net debit. Current SPXU IV rank near 22.38% 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 SPXU at 40.72%. As a Financial Services name, SPXU options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to SPXU-specific events.
SPXU 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. SPXU positions also carry Financial Services sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move SPXU alongside the broader basket even when SPXU-specific fundamentals are unchanged. Always rebuild the position from current SPXU chain quotes before placing a trade.
Frequently asked questions
- What is a butterfly on SPXU?
- A butterfly on SPXU is the butterfly strategy applied to SPXU (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 SPXU etf trading near $37.03, the strikes shown on this page are snapped to the nearest listed SPXU chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are SPXU 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 SPXU butterfly priced from the end-of-day chain at a 30-day expiry (ATM IV 40.72%), the computed maximum profit is $212.39 per contract and the computed maximum loss is $27.50 per contract. Live intraday quotes will differ as the chain moves through the trading session.
- What is the breakeven for a SPXU butterfly?
- The breakeven for the SPXU 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 SPXU market-implied 1-standard-deviation expected move is approximately 11.67%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a butterfly on SPXU?
- Butterflies on SPXU are pinning bets - traders use them when they expect SPXU 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 SPXU implied volatility affect this butterfly?
- SPXU ATM IV is at 40.72% with IV rank near 22.38%, 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.