SEM Strangle Strategy

SEM (Select Medical Holdings Corporation), in the Healthcare sector, (Medical - Care Facilities industry), listed on NYSE.

Select Medical Holdings Corporation, through its subsidiaries, operates critical illness recovery hospitals, rehabilitation hospitals, outpatient rehabilitation clinics, and occupational health centers in the United States. The company's Critical Illness Recovery Hospital segment consists of hospitals that provide services for heart failure, infectious disease, respiratory failure and pulmonary disease, surgery requiring prolonged recovery, renal disease, neurological events, and trauma. Its Rehabilitation Hospital segment offers therapy and rehabilitation treatments, including rehabilitative services for brain and spinal cord injuries, strokes, amputations, neurological disorders, orthopedic conditions, pediatric congenital or acquired disabilities, and cancer. The company's Outpatient Rehabilitation segment operates rehabilitation clinics that provide physical, occupational, and speech rehabilitation programs and services; and specialized programs, such as functional programs for work related injuries, hand therapy, post-concussion rehabilitation, pediatric and cancer rehabilitation, and athletic training services. Its Concentra segment operates and provides occupational health centers and contract services at employer worksites that deliver occupational medicine, consumer health, physical therapy, and wellness services. As of December 31, 2021, the company operated 104 critical illness recovery hospitals in 28 states; 30 rehabilitation hospitals in 12 states; 1,881 outpatient rehabilitation clinics in 38 states and the District of Columbia; and 518 occupational health centers in 41 states, and 134 onsite clinics at employer worksites states.

SEM (Select Medical Holdings Corporation) trades in the Healthcare sector, specifically Medical - Care Facilities, with a market capitalization of approximately $2.04B, a trailing P/E of 15.23, a beta of 0.80 versus the broader market, a 52-week range of 11.65-16.99, average daily share volume of 2.3M, a public-listing history dating back to 2009, approximately 30K full-time employees. These structural characteristics shape how SEM stock options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.

A beta of 0.80 places SEM roughly in line with broader market moves, so the strategy payoff and realized volatility track the index-equivalent baseline. SEM pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.

What is a strangle on SEM?

A long strangle buys an OTM call and an OTM put at offset strikes, cheaper than a straddle but requiring a larger underlying move to profit since both wings start out-of-the-money.

Current SEM snapshot

As of May 15, 2026, spot at $16.51, ATM IV 155.20%, IV rank 45.32%, expected move 2.24%. The strangle on SEM 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 strangle structure on SEM specifically: SEM IV at 155.20% 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 2.24% (roughly $0.37 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 SEM expiries trade a higher absolute premium for lower per-day decay. Position sizing on SEM should anchor to the underlying notional of $16.51 per share and to the trader's directional view on SEM stock.

SEM strangle setup

The SEM strangle below is built from the end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With SEM near $16.51, the first option leg uses a $17.34 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed SEM 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 SEM shares for the stock leg in covered calls and collars).

ActionTypeStrike / BasisPremium (est)
Buy 1Call$17.34N/A
Buy 1Put$15.68N/A

SEM strangle 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

Upside max profit is unbounded; downside max profit is bounded at the put strike minus the combined debit (reached at zero). Max loss equals the combined debit times 100 (reached anywhere between the two OTM strikes). Two breakevens at call-strike plus debit and put-strike minus debit.

SEM strangle payoff curve

Modeled P&L at expiration across a range of underlying prices for the strangle on SEM. 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 strangle on SEM

Strangles on SEM are the cheaper cousin of the straddle - traders use them when they want a large directional move but are willing to give up the inner-strike sensitivity in exchange for a lower up-front debit on the SEM chain.

SEM thesis for this strangle

The market-implied 1-standard-deviation range for SEM extends from approximately $16.14 on the downside to $16.88 on the upside. A SEM long strangle is the OTM cousin of the straddle: lower up-front cost but the underlying has to travel further past either OTM strike before the position turns profitable at expiration. Current SEM IV rank near 45.32% is mid-range against its 1-year distribution, so the IV signal is neutral; the strangle thesis on SEM should anchor more to the directional view and the expected-move geometry. As a Healthcare name, SEM options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to SEM-specific events.

SEM strangle positions are structurally neutral / high-volatility (long premium, OTM); 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. SEM positions also carry Healthcare sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move SEM alongside the broader basket even when SEM-specific fundamentals are unchanged. Always rebuild the position from current SEM chain quotes before placing a trade.

Frequently asked questions

What is a strangle on SEM?
A strangle on SEM is the strangle strategy applied to SEM (stock). The strategy is structurally neutral / high-volatility (long premium, OTM): A long strangle buys an OTM call and an OTM put at offset strikes, cheaper than a straddle but requiring a larger underlying move to profit since both wings start out-of-the-money. With SEM stock trading near $16.51, the strikes shown on this page are snapped to the nearest listed SEM chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
How are SEM strangle max profit and max loss calculated?
Upside max profit is unbounded; downside max profit is bounded at the put strike minus the combined debit (reached at zero). Max loss equals the combined debit times 100 (reached anywhere between the two OTM strikes). Two breakevens at call-strike plus debit and put-strike minus debit. For the SEM strangle priced from the end-of-day chain at a 30-day expiry (ATM IV 155.20%), 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 SEM strangle?
The breakeven for the SEM strangle 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 SEM market-implied 1-standard-deviation expected move is approximately 2.24%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
When should you consider a strangle on SEM?
Strangles on SEM are the cheaper cousin of the straddle - traders use them when they want a large directional move but are willing to give up the inner-strike sensitivity in exchange for a lower up-front debit on the SEM chain.
How does current SEM implied volatility affect this strangle?
SEM ATM IV is at 155.20% with IV rank near 45.32%, 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.

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