ALNY Cash-Secured Put: Strike Selection, Premium & Risk
How to sell cash-secured puts on Alnylam Pharmaceuticals — optimal strikes, expected premium, and the risks that actually matter for a large-cap healthcare name.
Is ALNY a good cash-secured put candidate?
ALNY (Alnylam Pharmaceuticals) is a large-cap healthcare name with an elevated share price and good options liquidity. Implied volatility is high enough to pay meaningful premium without being wild, which is why this ticker shows up frequently in wheel-strategy watchlists. It pays no dividend, so every dollar of income must come from the options you sell.
Strike selection for a ALNY cash-secured put
For ALNY cash-secured puts, target strikes 10-15% below the current price at deltas of 0.15-0.25. Use 21-35 DTE to capture IV without excess gamma risk. The rule is simple: only sell a put at a strike where you would genuinely be happy owning 100 shares, because on a high-volatility ticker you will occasionally get assigned.
Expected premium and income on ALNY
Typical monthly premium collected on ALNY runs around 2.0-3.5% of capital, which annualizes to roughly 24-42% if you sell new contracts every cycle. Capital required to run a single contract wheel on ALNY is $20,000+ — the share price and the 100-share lot size set the minimum, not the strategy.
Risk management for ALNY cash-secured put trades
The core risk on a cash-secured put is assignment into a falling stock: your break-even is the strike minus the premium, so a sharp drop below that level leaves you with unrealized losses on the assigned shares. ALNY's high-volatility profile means 3-6% daily moves are normal during earnings or macro catalysts. Healthcare is exposed to FDA decisions, clinical trial readouts, and policy headlines that can gap the stock overnight. Pharma names need special care around PDUFA dates.
ALNY Cash-Secured Put FAQ
What is the best delta for a ALNY cash-secured put?
A delta of 0.15-0.25 on ALNY balances premium income with assignment probability. Many traders anchor to 0.20 delta as a starting point and adjust based on their willingness to own shares.
How much cash do I need to sell a put on ALNY?
Cash required is 100 × strike price. For ALNY, that's roughly $20,000+ per contract at a typical strike. Most brokers let you use margin, but for a true cash-secured put you set aside the full amount.
What expiration should I use for ALNY cash-secured put trades?
Use 21-35 DTE to capture IV without excess gamma risk as a default for ALNY. This window captures the steepest part of the theta curve without excess gamma risk.
Is ALNY suitable for beginners selling options?
Yes — it's a well-known, liquid name with established options markets, which is what beginners need. Always check the bid/ask spread before entering — anything wider than 5% of the mid price is a warning sign.
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