SGMT Butterfly Strategy
SGMT (Sagimet Biosciences Inc.), in the Healthcare sector, (Biotechnology industry), listed on NASDAQ.
Sagimet Biosciences Inc., a clinical-stage biopharmaceutical company, develops therapeutics called fatty acid synthase (FASN) inhibitors for the treatment of diseases that result from dysfunctional lipid metabolism pathways. Its lead drug candidate is Denifanstat, a FASN inhibitor for the treatment of nonalcoholic steatohepatitis and acne. The company is also developing TVB-3567, a FASN inhibitor for the treatment of various types of cancers. The company was formerly known as 3-V Biosciences, Inc. and changed its name to Sagimet Biosciences Inc. in August 2019. Sagimet Biosciences Inc. was incorporated in 2006 and is headquartered in San Mateo, California.
SGMT (Sagimet Biosciences Inc.) trades in the Healthcare sector, specifically Biotechnology, with a market capitalization of approximately $247.6M, a beta of 3.64 versus the broader market, a 52-week range of 3.08-11.41, average daily share volume of 1.4M, a public-listing history dating back to 2023, approximately 14 full-time employees. These structural characteristics shape how SGMT stock options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 3.64 indicates SGMT 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 butterfly on SGMT?
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 SGMT snapshot
As of May 15, 2026, spot at $6.92, ATM IV 85.10%, IV rank 8.25%, expected move 24.40%. The butterfly on SGMT 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 SGMT specifically: SGMT IV at 85.10% is on the cheap side of its 1-year range, which favors premium-buying structures like a SGMT butterfly, with a market-implied 1-standard-deviation move of approximately 24.40% (roughly $1.69 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 SGMT expiries trade a higher absolute premium for lower per-day decay. Position sizing on SGMT should anchor to the underlying notional of $6.92 per share and to the trader's directional view on SGMT stock.
SGMT butterfly setup
The SGMT 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 SGMT near $6.92, the first option leg uses a $6.57 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed SGMT 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 SGMT shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Call | $6.57 | N/A |
| Sell 2 | Call | $6.92 | N/A |
| Buy 1 | Call | $7.27 | N/A |
SGMT 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.
SGMT butterfly payoff curve
Modeled P&L at expiration across a range of underlying prices for the butterfly on SGMT. 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 SGMT
Butterflies on SGMT are pinning bets - traders use them when they expect SGMT 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.
SGMT thesis for this butterfly
The market-implied 1-standard-deviation range for SGMT extends from approximately $5.23 on the downside to $8.61 on the upside. A SGMT long call butterfly is a pinning play: it pays maximum at the middle strike if SGMT settles there at expiration, with the wing legs capping both the cost and the maximum loss to the net debit. Current SGMT IV rank near 8.25% 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 SGMT at 85.10%. As a Healthcare name, SGMT options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to SGMT-specific events.
SGMT 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. SGMT positions also carry Healthcare sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move SGMT alongside the broader basket even when SGMT-specific fundamentals are unchanged. Always rebuild the position from current SGMT chain quotes before placing a trade.
Frequently asked questions
- What is a butterfly on SGMT?
- A butterfly on SGMT is the butterfly strategy applied to SGMT (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 SGMT stock trading near $6.92, the strikes shown on this page are snapped to the nearest listed SGMT chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are SGMT 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 SGMT butterfly priced from the end-of-day chain at a 30-day expiry (ATM IV 85.10%), 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 SGMT butterfly?
- The breakeven for the SGMT 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 SGMT market-implied 1-standard-deviation expected move is approximately 24.40%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a butterfly on SGMT?
- Butterflies on SGMT are pinning bets - traders use them when they expect SGMT 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 SGMT implied volatility affect this butterfly?
- SGMT ATM IV is at 85.10% with IV rank near 8.25%, 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.