BIL Covered Call: Strike Selection, Premium & Risk
How to sell covered calls on SPDR Bloomberg 1-3 Month T-Bill ETF — optimal strikes, expected premium, and the risks that actually matter for a large-cap etf name.
Is BIL a good covered call candidate?
BIL (SPDR Bloomberg 1-3 Month T-Bill ETF) is one of the most heavily traded ETFs for options strategies. Tight spreads and good open interest across strikes make it ideal for premium sellers. Because BIL is a basket rather than a single name, single-stock earnings risk is diffused, which is a meaningful edge for consistent income.
Strike selection for a BIL covered call
For BIL covered calls, target strikes 3-5% out of the money at deltas around 0.25-0.35. Use 30-45 DTE (theta decays slow, so longer dated). On a low-volatility name like BIL, going closer to the money chases premium at the cost of a much higher assignment probability — the risk of being called away becomes meaningful below 3-5% OTM.
Expected premium and income on BIL
Typical monthly premium collected on BIL runs around 0.5-1.0% of capital, which annualizes to roughly 6-12% if you sell new contracts every cycle. Capital required to run a single contract wheel on BIL is under $5,000 — the share price and the 100-share lot size set the minimum, not the strategy.
Risk management for BIL covered call trades
The core risk on a covered call is opportunity cost: if the stock rips through your strike, your upside is capped. You still profit, just less than someone who held the shares outright. BIL is a low-volatility name — the main risk is not sudden moves but slow grinds against you, which hurt covered-call writers who picked strikes too close to the money. ETFs diffuse single-stock risk but still carry basket-level exposure — a sector ETF will move on macro shocks even if individual holdings are fine.
BIL Covered Call FAQ
What is the best strike price for a BIL covered call?
On BIL, target 3-5% out of the money at 0.25-0.35 delta. On a low-volatility stock like this, closer-to-the-money strikes chase premium but spike assignment probability to uncomfortable levels.
How much premium can I collect selling calls on BIL?
Typical monthly premium on BIL is 0.5-1.0% of position value, annualizing to 6-12% when you roll every cycle. Earnings months can pay 2-3x the normal rate because of elevated IV.
What expiration should I use for BIL covered call trades?
Use 30-45 DTE as a default for BIL. This is the classic theta sweet spot and works well on a stable ticker like this.
Is BIL 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.
Related BIL strategies
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