CATY Butterfly Strategy
CATY (Cathay General Bancorp), in the Financial Services sector, (Banks - Regional industry), listed on NASDAQ.
Cathay General Bancorp operates as the holding company for Cathay Bank that offers various commercial banking products and services to individuals, professionals, and small to medium-sized businesses in the United States. The company offers various deposit products, including passbook accounts, checking accounts, money market deposit accounts, certificates of deposit, individual retirement accounts, and public funds deposits. It also provides loan products, such as commercial mortgage loans, commercial loans, small business administration loans, residential mortgage loans, real estate construction loans, and home equity lines of credit, as well as installment loans to individuals for household, and other consumer expenditures. In addition, the company offers trade financing, letter of credit, wire transfer, forward currency spot and forward contract, traveler's check, safe deposit, night deposit, social security payment deposit, collection, bank-by-mail, drive-up and walk-up window, automatic teller machine, Internet banking, investment, and other customary bank services, as well as securities and insurance products. As of March 1, 2022, it operated 31 branches in Southern California, 16 branches in Northern California, 10 branches in New York, four branches in Washington, two branches in Illinois, and two branches in Texas, as well as one branch each in Maryland, Massachusetts, Nevada, and New Jersey, and Hong Kong; and a representative office each in Beijing, Taipei, and Shanghai. The company was founded in 1962 and is headquartered in Los Angeles, California.
CATY (Cathay General Bancorp) trades in the Financial Services sector, specifically Banks - Regional, with a market capitalization of approximately $3.74B, a trailing P/E of 11.25, a beta of 0.86 versus the broader market, a 52-week range of 41.83-58, average daily share volume of 485K, a public-listing history dating back to 1990, approximately 1K full-time employees. These structural characteristics shape how CATY stock options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 0.86 places CATY roughly in line with broader market moves, so the strategy payoff and realized volatility track the index-equivalent baseline. The trailing P/E of 11.25 is on the value side, where IV often compresses outside event windows because forward growth expectations are already discounted into the share price. CATY pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.
What is a butterfly on CATY?
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 CATY snapshot
As of May 15, 2026, spot at $55.68, ATM IV 38.70%, IV rank 22.41%, expected move 11.09%. The butterfly on CATY 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 CATY specifically: CATY IV at 38.70% is on the cheap side of its 1-year range, which favors premium-buying structures like a CATY butterfly, with a market-implied 1-standard-deviation move of approximately 11.09% (roughly $6.18 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 CATY expiries trade a higher absolute premium for lower per-day decay. Position sizing on CATY should anchor to the underlying notional of $55.68 per share and to the trader's directional view on CATY stock.
CATY butterfly setup
The CATY 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 CATY near $55.68, the first option leg uses a $52.90 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed CATY 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 CATY shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Call | $52.90 | N/A |
| Sell 2 | Call | $55.68 | N/A |
| Buy 1 | Call | $58.46 | N/A |
CATY 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.
CATY butterfly payoff curve
Modeled P&L at expiration across a range of underlying prices for the butterfly on CATY. 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 CATY
Butterflies on CATY are pinning bets - traders use them when they expect CATY 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.
CATY thesis for this butterfly
The market-implied 1-standard-deviation range for CATY extends from approximately $49.50 on the downside to $61.86 on the upside. A CATY long call butterfly is a pinning play: it pays maximum at the middle strike if CATY settles there at expiration, with the wing legs capping both the cost and the maximum loss to the net debit. Current CATY IV rank near 22.41% 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 CATY at 38.70%. As a Financial Services name, CATY options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to CATY-specific events.
CATY 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. CATY positions also carry Financial Services sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move CATY alongside the broader basket even when CATY-specific fundamentals are unchanged. Always rebuild the position from current CATY chain quotes before placing a trade.
Frequently asked questions
- What is a butterfly on CATY?
- A butterfly on CATY is the butterfly strategy applied to CATY (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 CATY stock trading near $55.68, the strikes shown on this page are snapped to the nearest listed CATY chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are CATY 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 CATY butterfly priced from the end-of-day chain at a 30-day expiry (ATM IV 38.70%), 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 CATY butterfly?
- The breakeven for the CATY 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 CATY market-implied 1-standard-deviation expected move is approximately 11.09%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a butterfly on CATY?
- Butterflies on CATY are pinning bets - traders use them when they expect CATY 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 CATY implied volatility affect this butterfly?
- CATY ATM IV is at 38.70% with IV rank near 22.41%, 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.