XOMA Bull Call Spread Strategy
XOMA (XOMA Royalty Corp.), in the Healthcare sector, (Biotechnology industry), listed on NASDAQ.
XOMA Royalty Corp. operates as a biotechnology royalty aggregator in Europe, the United States, and the Asia Pacific. The company engages in helping biotech companies for enhancing human health. It acquires the potential future economics associated with pre-commercial therapeutic candidates that have been licensed to pharmaceutical or biotechnology companies. The company focuses on early to mid-stage clinical assets primarily in Phase 1 and 2 with commercial sales potential that are licensed to partners. It has a portfolio with approximately 70 assets. XOMA Corporation was incorporated in 1981 and is headquartered in Emeryville, California.
XOMA (XOMA Royalty Corp.) trades in the Healthcare sector, specifically Biotechnology, with a market capitalization of approximately $507.0M, a trailing P/E of 15.78, a beta of 0.90 versus the broader market, a 52-week range of 22.29-42.81, average daily share volume of 225K, a public-listing history dating back to 1986, approximately 13 full-time employees. These structural characteristics shape how XOMA stock options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 0.90 places XOMA roughly in line with broader market moves, so the strategy payoff and realized volatility track the index-equivalent baseline. XOMA pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.
What is a bull call spread on XOMA?
A bull call spread buys an at-the-money call and sells an out-of-the-money call at a higher strike for defined risk and defined reward bounded by the strike width.
Current XOMA snapshot
As of May 15, 2026, spot at $41.67, ATM IV 9.60%, IV rank 0.16%, expected move 2.75%. The bull call spread on XOMA 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 bull call spread structure on XOMA specifically: XOMA IV at 9.60% is on the cheap side of its 1-year range, which favors premium-buying structures like a XOMA bull call spread, with a market-implied 1-standard-deviation move of approximately 2.75% (roughly $1.15 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 XOMA expiries trade a higher absolute premium for lower per-day decay. Position sizing on XOMA should anchor to the underlying notional of $41.67 per share and to the trader's directional view on XOMA stock.
XOMA bull call spread setup
The XOMA bull call spread below is built from the end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With XOMA near $41.67, the first option leg uses a $41.67 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed XOMA 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 XOMA shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Call | $41.67 | N/A |
| Sell 1 | Call | $43.75 | N/A |
XOMA bull call spread 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 strike width minus net debit times 100; max loss equals net debit times 100. Breakeven is long-call strike plus net debit.
XOMA bull call spread payoff curve
Modeled P&L at expiration across a range of underlying prices for the bull call spread on XOMA. 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 bull call spread on XOMA
Bull call spreads on XOMA reduce the cost of a bullish XOMA stock position by selling a higher-strike call; suited to moderate-move theses where price reaches but does not vastly exceed the short strike.
XOMA thesis for this bull call spread
The market-implied 1-standard-deviation range for XOMA extends from approximately $40.52 on the downside to $42.82 on the upside. A XOMA bull call spread caps both the risk and the reward of a bullish position; relative to an outright long call on XOMA, the spread reduces the cost basis but limits the maximum profit to the strike width minus net debit. Current XOMA IV rank near 0.16% 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 XOMA at 9.60%. As a Healthcare name, XOMA options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to XOMA-specific events.
XOMA bull call spread positions are structurally moderately bullish; 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. XOMA positions also carry Healthcare sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move XOMA alongside the broader basket even when XOMA-specific fundamentals are unchanged. Long-premium structures like a bull call spread on XOMA 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 XOMA chain quotes before placing a trade.
Frequently asked questions
- What is a bull call spread on XOMA?
- A bull call spread on XOMA is the bull call spread strategy applied to XOMA (stock). The strategy is structurally moderately bullish: A bull call spread buys an at-the-money call and sells an out-of-the-money call at a higher strike for defined risk and defined reward bounded by the strike width. With XOMA stock trading near $41.67, the strikes shown on this page are snapped to the nearest listed XOMA chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are XOMA bull call spread max profit and max loss calculated?
- Max profit equals strike width minus net debit times 100; max loss equals net debit times 100. Breakeven is long-call strike plus net debit. For the XOMA bull call spread priced from the end-of-day chain at a 30-day expiry (ATM IV 9.60%), 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 XOMA bull call spread?
- The breakeven for the XOMA bull call spread 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 XOMA market-implied 1-standard-deviation expected move is approximately 2.75%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a bull call spread on XOMA?
- Bull call spreads on XOMA reduce the cost of a bullish XOMA stock position by selling a higher-strike call; suited to moderate-move theses where price reaches but does not vastly exceed the short strike.
- How does current XOMA implied volatility affect this bull call spread?
- XOMA ATM IV is at 9.60% with IV rank near 0.16%, 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.