WAT Butterfly Strategy
WAT (Waters Corporation), in the Healthcare sector, (Medical - Diagnostics & Research industry), listed on NYSE.
Waters Corporation is a global leader in specialized measurement, delivering analytical solutions across Asia, the Americas, and Europe. The company operates through two main divisions: Waters and TA. Under its Waters segment, it engineers, manufactures, sells, and provides support for high and ultra-performance liquid chromatography and mass spectrometry (MS) systems. This includes essential consumables like chromatography columns and comprehensive post-warranty service plans. The TA segment focuses on designing, producing, selling, and servicing instruments for thermal analysis, rheometry, and calorimetry. Additionally, Waters develops and supplies sophisticated software that integrates with both its own instruments and those from other manufacturers.
WAT (Waters Corporation) trades in the Healthcare sector, specifically Medical - Diagnostics & Research, with a market capitalization of approximately $31.12B, a trailing P/E of 245.99, a beta of 1.19 versus the broader market, a 52-week range of 282.77-416.6225, average daily share volume of 988K, a public-listing history dating back to 1995, approximately 8K full-time employees. These structural characteristics shape how WAT stock options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 1.19 places WAT roughly in line with broader market moves, so the strategy payoff and realized volatility track the index-equivalent baseline. The trailing P/E of 245.99 is on the rich side, which tends to correlate with higher earnings-window IV expansion as the market debates whether forward growth supports the multiple. WAT pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.
What is a butterfly on WAT?
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.
WAT snapshot
As of August 14, 2026, spot at $412.31, ATM IV 31.10%, IV rank 20.18%, expected move 8.92%. The butterfly on WAT below is built from the August 14, 2026 end-of-day chain, with strikes snapped to listed contracts and premiums pulled from the bid/ask midpoint at a 35-day expiry.
Why this butterfly structure on WAT specifically: WAT IV at 31.10% is on the cheap side of its 1-year range, which favors premium-buying structures like a WAT butterfly, with a market-implied 1-standard-deviation move of approximately 8.92% (roughly $36.76 on the underlying). The 35-day window matched to the front-month expiry keeps theta exposure bounded while still capturing the post-snapshot move; longer-dated WAT expiries trade a higher absolute premium for lower per-day decay. Position sizing on WAT should anchor to the underlying notional of $412.31 per share and to the trader's directional view on WAT stock.
WAT butterfly setup
The WAT butterfly below is built from the August 14, 2026 end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With WAT at $412.31 on that close, the first option leg uses a $390.00 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed WAT chain at a 35-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 WAT shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Call | $390.00 | $30.15 |
| Sell 2 | Call | $410.00 | $17.40 |
| Buy 1 | Call | $430.00 | $8.15 |
WAT butterfly risk and reward
- Net Premium / Debit
- -$350.00
- Max Profit (per contract)
- $1,625.69
- Max Loss (per contract)
- -$350.00
- Breakeven(s)
- $393.48, $426.50
- Risk / Reward Ratio
- 4.645
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.
WAT butterfly payoff curve
Modeled P&L at expiration across a range of underlying prices for the butterfly on WAT. 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.
| Underlying Price | % From Spot | P&L at Expiration |
|---|---|---|
| $0.01 | -100.0% | -$350.00 |
| $91.17 | -77.9% | -$350.00 |
| $182.34 | -55.8% | -$350.00 |
| $273.50 | -33.7% | -$350.00 |
| $364.66 | -11.6% | -$350.00 |
| $455.82 | +10.6% | -$350.00 |
| $546.99 | +32.7% | -$350.00 |
| $638.15 | +54.8% | -$350.00 |
| $729.31 | +76.9% | -$350.00 |
| $820.48 | +99.0% | -$350.00 |
When traders use butterfly on WAT
Butterflies on WAT are pinning bets - traders use them when they expect WAT 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.
WAT thesis for this butterfly
The market-implied 1-standard-deviation range for WAT extends from approximately $375.55 on the downside to $449.07 on the upside. A WAT long call butterfly is a pinning play: it pays maximum at the middle strike if WAT settles there at expiration, with the wing legs capping both the cost and the maximum loss to the net debit. Current WAT IV rank near 20.18% 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 WAT at 31.10%. As a Healthcare name, WAT options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to WAT-specific events.
WAT 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. WAT positions also carry Healthcare sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move WAT alongside the broader basket even when WAT-specific fundamentals are unchanged. Always rebuild the position from current WAT chain quotes before placing a trade.
Frequently asked questions
- What is a butterfly on WAT?
- A butterfly on WAT is the butterfly strategy applied to WAT (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 WAT stock at $412.31 on the August 14, 2026 close, the strikes shown on this page are snapped to the nearest listed WAT chain strike and the premiums come straight from that session's bid/ask midpoint.
- How are WAT 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 WAT butterfly priced from the August 14, 2026 end-of-day chain at a 30-day expiry (ATM IV 31.10%), the computed maximum profit is $1,625.69 per contract and the computed maximum loss is -$350.00 per contract. Live intraday quotes will differ as the chain moves through the trading session.
- What is the breakeven for a WAT butterfly?
- The breakeven for the WAT butterfly priced on this page is roughly $393.48 and $426.50 at expiration, derived from the August 14, 2026 end-of-day chain's premiums. Breakeven is the underlying price at which the strategy's P&L crosses zero ignoring transaction costs and assignment risk. The WAT market-implied 1-standard-deviation expected move in the same options snapshot is approximately 8.92%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a butterfly on WAT?
- Butterflies on WAT are pinning bets - traders use them when they expect WAT 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 WAT implied volatility affect this butterfly?
- WAT ATM IV is at 31.10% with IV rank near 20.18%, 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.