SXI Butterfly Strategy
SXI (Standex International Corporation), in the Industrials sector, (Industrial - Machinery industry), listed on NYSE.
Standex International Corporation (SXI) operates as a diversified global manufacturer and provider of products and services, catering to commercial and industrial markets across the United States and internationally. The company's operations are strategically organized into five key segments: Electronics, Engraving, Scientific, Engineering Technologies, and Specialty Solutions. The Electronics division specializes in a wide array of sensors, including reed relays, fluid level, proximity, motion, flow, and HVAC condensate, along with custom electronic sensing solutions. It also delivers cutting-edge current sense and advanced planar transformer technologies, value-added assemblies, mechanical packaging, and bespoke wound transformers and inductors for both low and high-frequency applications. The Engraving segment offers mold texturizing, produces slush molding tools, provides roll engraving, and manufactures tooling for hygiene products and low observation vents. Additionally, it supplies project management and design services tailored for stealth aircraft, alongside process machinery for various industries.
SXI (Standex International Corporation) trades in the Industrials sector, specifically Industrial - Machinery, with a market capitalization of approximately $4.13B, a trailing P/E of 41.45, a beta of 1.09 versus the broader market, a 52-week range of 152.64-344.3, average daily share volume of 206K, a public-listing history dating back to 1969, approximately 4K full-time employees. These structural characteristics shape how SXI stock options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 1.09 places SXI roughly in line with broader market moves, so the strategy payoff and realized volatility track the index-equivalent baseline. The trailing P/E of 41.45 is on the rich side, which tends to correlate with higher earnings-window IV expansion as the market debates whether forward growth supports the multiple. SXI pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.
What is a butterfly on SXI?
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 SXI snapshot
As of June 30, 2026, spot at $362.33, ATM IV 35.00%, IV rank 58.13%, expected move 10.03%. The butterfly on SXI 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 17-day expiry.
Why this butterfly structure on SXI specifically: SXI IV at 35.00% is mid-range versus its 1-year history, so strategy selection should anchor more to the directional thesis than to the IV regime, with a market-implied 1-standard-deviation move of approximately 10.03% (roughly $36.36 on the underlying). The 17-day window matched to the front-month expiry keeps theta exposure bounded while still capturing the post-snapshot move; longer-dated SXI expiries trade a higher absolute premium for lower per-day decay. Position sizing on SXI should anchor to the underlying notional of $362.33 per share and to the trader's directional view on SXI stock.
SXI butterfly setup
The SXI 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 SXI near $362.33, the first option leg uses a $344.21 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed SXI chain at a 17-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 SXI shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Call | $344.21 | N/A |
| Sell 2 | Call | $362.33 | N/A |
| Buy 1 | Call | $380.45 | N/A |
SXI 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.
SXI butterfly payoff curve
Modeled P&L at expiration across a range of underlying prices for the butterfly on SXI. 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 SXI
Butterflies on SXI are pinning bets - traders use them when they expect SXI 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.
SXI thesis for this butterfly
The market-implied 1-standard-deviation range for SXI extends from approximately $325.97 on the downside to $398.69 on the upside. A SXI long call butterfly is a pinning play: it pays maximum at the middle strike if SXI settles there at expiration, with the wing legs capping both the cost and the maximum loss to the net debit. Current SXI IV rank near 58.13% is mid-range against its 1-year distribution, so the IV signal is neutral; the butterfly thesis on SXI should anchor more to the directional view and the expected-move geometry. As a Industrials name, SXI options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to SXI-specific events.
SXI 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. SXI positions also carry Industrials sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move SXI alongside the broader basket even when SXI-specific fundamentals are unchanged. Always rebuild the position from current SXI chain quotes before placing a trade.
Frequently asked questions
- What is a butterfly on SXI?
- A butterfly on SXI is the butterfly strategy applied to SXI (stock). 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 SXI stock trading near $362.33, the strikes shown on this page are snapped to the nearest listed SXI chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are SXI 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 SXI butterfly priced from the end-of-day chain at a 30-day expiry (ATM IV 35.00%), 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 SXI butterfly?
- The breakeven for the SXI 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 SXI market-implied 1-standard-deviation expected move is approximately 10.03%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a butterfly on SXI?
- Butterflies on SXI are pinning bets - traders use them when they expect SXI 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 SXI implied volatility affect this butterfly?
- SXI ATM IV is at 35.00% with IV rank near 58.13%, which is mid-range against its 1-year history. Strategy selection depends more on directional thesis and expected move than on a strong IV signal.