EFSC Butterfly Strategy
EFSC (Enterprise Financial Services Corp), in the Financial Services sector, (Banks - Regional industry), listed on NASDAQ.
Enterprise Financial Services Corp operates as the financial holding company for Enterprise Bank & Trust that offers banking and wealth management services to individuals and corporate customers. The company offers checking, savings, and money market accounts, and certificates of deposit. It also provides commercial and industrial, commercial real estate, construction and land development, residential real estate, agricultural, and consumer loans. In addition, the company offers treasury management and international trade services; tax credit brokerage services consisting of the acquisition of tax credits and sale of these tax credits to clients; and financial and estate planning, investment management, and trust services to businesses, individuals, institutions, retirement plans, and non-profit organizations. Further, it offers fiduciary, financial advisory, and merchant processing services; and debit and credit cards. Additionally, the company provides international banking, insurance, internet and mobile banking, remote deposit capture, positive pay, fraud detection and prevention, automated payable, check imaging, and statement and document imaging services; and cash management products, controlled disbursements, repurchase agreements, and sweep investment accounts.
EFSC (Enterprise Financial Services Corp) trades in the Financial Services sector, specifically Banks - Regional, with a market capitalization of approximately $2.14B, a trailing P/E of 10.75, a beta of 0.81 versus the broader market, a 52-week range of 50.88-62.3, average daily share volume of 278K, a public-listing history dating back to 2003, approximately 1K full-time employees. These structural characteristics shape how EFSC stock options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 0.81 places EFSC roughly in line with broader market moves, so the strategy payoff and realized volatility track the index-equivalent baseline. The trailing P/E of 10.75 is on the value side, where IV often compresses outside event windows because forward growth expectations are already discounted into the share price. EFSC pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.
What is a butterfly on EFSC?
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 EFSC snapshot
As of May 15, 2026, spot at $58.34, ATM IV 13.60%, IV rank 3.89%, expected move 3.90%. The butterfly on EFSC 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 EFSC specifically: EFSC IV at 13.60% is on the cheap side of its 1-year range, which favors premium-buying structures like a EFSC butterfly, with a market-implied 1-standard-deviation move of approximately 3.90% (roughly $2.27 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 EFSC expiries trade a higher absolute premium for lower per-day decay. Position sizing on EFSC should anchor to the underlying notional of $58.34 per share and to the trader's directional view on EFSC stock.
EFSC butterfly setup
The EFSC 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 EFSC near $58.34, the first option leg uses a $55.42 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed EFSC 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 EFSC shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Call | $55.42 | N/A |
| Sell 2 | Call | $58.34 | N/A |
| Buy 1 | Call | $61.26 | N/A |
EFSC 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.
EFSC butterfly payoff curve
Modeled P&L at expiration across a range of underlying prices for the butterfly on EFSC. 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 EFSC
Butterflies on EFSC are pinning bets - traders use them when they expect EFSC 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.
EFSC thesis for this butterfly
The market-implied 1-standard-deviation range for EFSC extends from approximately $56.07 on the downside to $60.61 on the upside. A EFSC long call butterfly is a pinning play: it pays maximum at the middle strike if EFSC settles there at expiration, with the wing legs capping both the cost and the maximum loss to the net debit. Current EFSC IV rank near 3.89% 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 EFSC at 13.60%. As a Financial Services name, EFSC options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to EFSC-specific events.
EFSC 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. EFSC positions also carry Financial Services sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move EFSC alongside the broader basket even when EFSC-specific fundamentals are unchanged. Always rebuild the position from current EFSC chain quotes before placing a trade.
Frequently asked questions
- What is a butterfly on EFSC?
- A butterfly on EFSC is the butterfly strategy applied to EFSC (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 EFSC stock trading near $58.34, the strikes shown on this page are snapped to the nearest listed EFSC chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are EFSC 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 EFSC butterfly priced from the end-of-day chain at a 30-day expiry (ATM IV 13.60%), 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 EFSC butterfly?
- The breakeven for the EFSC 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 EFSC market-implied 1-standard-deviation expected move is approximately 3.90%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a butterfly on EFSC?
- Butterflies on EFSC are pinning bets - traders use them when they expect EFSC 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 EFSC implied volatility affect this butterfly?
- EFSC ATM IV is at 13.60% with IV rank near 3.89%, 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.