SLDB Long Put Strategy
SLDB (Solid Biosciences Inc.), in the Healthcare sector, (Biotechnology industry), listed on NASDAQ.
Solid Biosciences Inc. is an American biotechnology firm dedicated to creating therapeutic solutions for Duchenne Muscular Dystrophy (DMD). Its most advanced experimental drug, SGT-001, is a gene transfer treatment currently in Phase I/II clinical trials, designed to encourage the production of functional dystrophin protein in patients' muscles. The company is also progressing with SGT-003, which represents a next-generation gene transfer therapy intended for DMD. Beyond specific drug candidates, Solid Biosciences is actively developing innovative platform technologies, such as "dual gene expression," a technique that allows for multiple therapeutic genes to be bundled into a single viral vector, and researching new capsid designs. The company maintains a strategic alliance through a collaboration and license agreement with Ultragenyx Pharmaceutical Inc., focusing on the joint development and market introduction of novel gene therapies for Duchenne Muscular Dystrophy. Founded in 2013, Solid Biosciences Inc. conducts its operations from its headquarters in Cambridge, Massachusetts.
SLDB (Solid Biosciences Inc.) trades in the Healthcare sector, specifically Biotechnology, with a market capitalization of approximately $723.8M, a beta of 2.43 versus the broader market, a 52-week range of 3.79-9.78, average daily share volume of 1.6M, a public-listing history dating back to 2018, approximately 100 full-time employees. These structural characteristics shape how SLDB stock options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 2.43 indicates SLDB has historically moved more than the broader market, amplifying both the directional payoff and the realized volatility relative to an index-equivalent position.
What is a long put on SLDB?
A long put buys downside exposure with a fixed maximum loss equal to the premium paid; profit accrues if the underlying closes below the strike minus premium at expiration.
Current SLDB snapshot
As of June 30, 2026, spot at $10.07, ATM IV 139.40%, IV rank 28.33%, expected move 39.96%. The long put on SLDB 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 long put structure on SLDB specifically: SLDB IV at 139.40% is on the cheap side of its 1-year range, which favors premium-buying structures like a SLDB long put, with a market-implied 1-standard-deviation move of approximately 39.96% (roughly $4.02 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 SLDB expiries trade a higher absolute premium for lower per-day decay. Position sizing on SLDB should anchor to the underlying notional of $10.07 per share and to the trader's directional view on SLDB stock.
SLDB long put setup
The SLDB long put below is built from the end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With SLDB near $10.07, the first option leg uses a $10.07 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed SLDB 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 SLDB shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Put | $10.07 | N/A |
SLDB long put 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 strike minus premium times 100 (reached at zero); max loss equals the premium times 100. Breakeven is strike minus premium.
SLDB long put payoff curve
Modeled P&L at expiration across a range of underlying prices for the long put on SLDB. 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 long put on SLDB
Long puts on SLDB hedge an existing long SLDB stock position or express a bearish view with defined risk; position sizing typically scales the put notional to the underlying SLDB exposure being hedged.
SLDB thesis for this long put
The market-implied 1-standard-deviation range for SLDB extends from approximately $6.05 on the downside to $14.09 on the upside. A SLDB long put expresses a directional view that the underlying closes below the strike minus premium at expiration, frequently sized to hedge an existing long SLDB position with one put per 100 shares held. Current SLDB IV rank near 28.33% 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 SLDB at 139.40%. As a Healthcare name, SLDB options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to SLDB-specific events.
SLDB long put positions are structurally bearish; 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. SLDB positions also carry Healthcare sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move SLDB alongside the broader basket even when SLDB-specific fundamentals are unchanged. Long-premium structures like a long put on SLDB are particularly exposed to IV-crush risk through scheduled events (earnings, FDA decisions, central-bank meetings) where IV typically contracts post-event regardless of the directional outcome. Always rebuild the position from current SLDB chain quotes before placing a trade.
Frequently asked questions
- What is a long put on SLDB?
- A long put on SLDB is the long put strategy applied to SLDB (stock). The strategy is structurally bearish: A long put buys downside exposure with a fixed maximum loss equal to the premium paid; profit accrues if the underlying closes below the strike minus premium at expiration. With SLDB stock trading near $10.07, the strikes shown on this page are snapped to the nearest listed SLDB chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are SLDB long put max profit and max loss calculated?
- Max profit equals the strike minus premium times 100 (reached at zero); max loss equals the premium times 100. Breakeven is strike minus premium. For the SLDB long put priced from the end-of-day chain at a 30-day expiry (ATM IV 139.40%), 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 SLDB long put?
- The breakeven for the SLDB long put 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 SLDB market-implied 1-standard-deviation expected move is approximately 39.96%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a long put on SLDB?
- Long puts on SLDB hedge an existing long SLDB stock position or express a bearish view with defined risk; position sizing typically scales the put notional to the underlying SLDB exposure being hedged.
- How does current SLDB implied volatility affect this long put?
- SLDB ATM IV is at 139.40% with IV rank near 28.33%, 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.