MIST Butterfly Strategy
MIST (Milestone Pharmaceuticals Inc.), in the Healthcare sector, (Biotechnology industry), listed on NASDAQ.
Milestone Pharmaceuticals Inc., a biopharmaceutical company, focuses on the development and commercialization of cardiovascular medicines. The company is developing etripamil, a novel channel blocker, which is in Phase III clinical trial for the treatment of paroxysmal supraventricular tachycardia in the United States and Canada; and Phase II clinical trial for the treatment of atrial fibrillation and rapid ventricular rate. It has a license and collaboration agreement with Ji Xing Pharmaceuticals to develop and commercialize etripamil prophylactic and therapeutic uses in humans. The company was incorporated in 2003 and is headquartered in Montréal, Canada.
MIST (Milestone Pharmaceuticals Inc.) trades in the Healthcare sector, specifically Biotechnology, with a market capitalization of approximately $147.7M, a beta of 1.04 versus the broader market, a 52-week range of 1-3.06, average daily share volume of 2.0M, a public-listing history dating back to 2019, approximately 33 full-time employees. These structural characteristics shape how MIST stock options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 1.04 places MIST roughly in line with broader market moves, so the strategy payoff and realized volatility track the index-equivalent baseline.
What is a butterfly on MIST?
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 MIST snapshot
As of May 15, 2026, spot at $1.50, ATM IV 65.50%, IV rank 12.05%, expected move 18.78%. The butterfly on MIST 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 MIST specifically: MIST IV at 65.50% is on the cheap side of its 1-year range, which favors premium-buying structures like a MIST butterfly, with a market-implied 1-standard-deviation move of approximately 18.78% (roughly $0.28 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 MIST expiries trade a higher absolute premium for lower per-day decay. Position sizing on MIST should anchor to the underlying notional of $1.50 per share and to the trader's directional view on MIST stock.
MIST butterfly setup
The MIST 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 MIST near $1.50, the first option leg uses a $1.42 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed MIST 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 MIST shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Call | $1.42 | N/A |
| Sell 2 | Call | $1.50 | N/A |
| Buy 1 | Call | $1.58 | N/A |
MIST 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.
MIST butterfly payoff curve
Modeled P&L at expiration across a range of underlying prices for the butterfly on MIST. 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 MIST
Butterflies on MIST are pinning bets - traders use them when they expect MIST 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.
MIST thesis for this butterfly
The market-implied 1-standard-deviation range for MIST extends from approximately $1.22 on the downside to $1.78 on the upside. A MIST long call butterfly is a pinning play: it pays maximum at the middle strike if MIST settles there at expiration, with the wing legs capping both the cost and the maximum loss to the net debit. Current MIST IV rank near 12.05% 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 MIST at 65.50%. As a Healthcare name, MIST options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to MIST-specific events.
MIST 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. MIST positions also carry Healthcare sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move MIST alongside the broader basket even when MIST-specific fundamentals are unchanged. Always rebuild the position from current MIST chain quotes before placing a trade.
Frequently asked questions
- What is a butterfly on MIST?
- A butterfly on MIST is the butterfly strategy applied to MIST (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 MIST stock trading near $1.50, the strikes shown on this page are snapped to the nearest listed MIST chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are MIST 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 MIST butterfly priced from the end-of-day chain at a 30-day expiry (ATM IV 65.50%), 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 MIST butterfly?
- The breakeven for the MIST 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 MIST market-implied 1-standard-deviation expected move is approximately 18.78%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a butterfly on MIST?
- Butterflies on MIST are pinning bets - traders use them when they expect MIST 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 MIST implied volatility affect this butterfly?
- MIST ATM IV is at 65.50% with IV rank near 12.05%, 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.