TWST Covered Call Strategy
TWST (Twist Bioscience Corporation), in the Healthcare sector, (Medical - Diagnostics & Research industry), listed on NASDAQ.
Twist Bioscience Corporation, a synthetic biology company, manufactures and sells synthetic DNA-based products. The company's DNA synthesis platform enables the manufacturing of synthetic DNA by writing DNA on a silicon chip. It offers synthetic DNA-based products, including synthetic genes, tools for sample preparation, antibody libraries for drug discovery and development, and DNA as a digital data storage medium. The company has collaboration agreements with Victorian Clinical Genetic Services; Vivlion GmbH.; Kyowa Kirin Pharmaceutical Research, Inc.; deepCDR Biologics AG; and Centogene N.V to develop advanced sequencing tools. It also has a research collaboration with Boehringer Ingelheim International GmbH to use proprietary antibody libraries to discover therapeutic antibodies against multiple targets. Twist Bioscience Corporation was incorporated in 2013 and is headquartered in South San Francisco, California.
TWST (Twist Bioscience Corporation) trades in the Healthcare sector, specifically Medical - Diagnostics & Research, with a market capitalization of approximately $3.39B, a beta of 2.23 versus the broader market, a 52-week range of 23.3-66.06, average daily share volume of 1.3M, a public-listing history dating back to 2018, approximately 923 full-time employees. These structural characteristics shape how TWST stock options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 2.23 indicates TWST has historically moved more than the broader market, amplifying both the directional payoff and the realized volatility relative to an index-equivalent position.
What is a covered call on TWST?
A covered call pairs long stock with a short out-of-the-money call, collecting premium and capping upside above the short strike in exchange for income.
Current TWST snapshot
As of May 15, 2026, spot at $48.87, ATM IV 91.40%, IV rank 42.49%, expected move 26.20%. The covered call on TWST 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 covered call structure on TWST specifically: TWST IV at 91.40% is mid-range versus its 1-year history, so the credit collected on a TWST covered call sits in line with its long-run distribution, with a market-implied 1-standard-deviation move of approximately 26.20% (roughly $12.81 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 TWST expiries trade a higher absolute premium for lower per-day decay. Position sizing on TWST should anchor to the underlying notional of $48.87 per share and to the trader's directional view on TWST stock.
TWST covered call setup
The TWST covered call below is built from the end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With TWST near $48.87, the first option leg uses a $52.50 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed TWST 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 TWST shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 100 shares | Stock | $48.87 | long |
| Sell 1 | Call | $52.50 | $4.25 |
TWST covered call risk and reward
- Net Premium / Debit
- -$4,462.00
- Max Profit (per contract)
- $788.00
- Max Loss (per contract)
- -$4,461.00
- Breakeven(s)
- $44.62
- Risk / Reward Ratio
- 0.177
Max profit equals short-strike minus cost basis plus premium times 100; max loss is cost basis minus premium (at zero). Breakeven is cost basis minus premium.
TWST covered call payoff curve
Modeled P&L at expiration across a range of underlying prices for the covered call on TWST. 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% | -$4,461.00 |
| $10.81 | -77.9% | -$3,380.57 |
| $21.62 | -55.8% | -$2,300.14 |
| $32.42 | -33.7% | -$1,219.70 |
| $43.23 | -11.5% | -$139.27 |
| $54.03 | +10.6% | +$788.00 |
| $64.84 | +32.7% | +$788.00 |
| $75.64 | +54.8% | +$788.00 |
| $86.44 | +76.9% | +$788.00 |
| $97.25 | +99.0% | +$788.00 |
When traders use covered call on TWST
Covered calls on TWST are an income strategy run on existing TWST stock positions; traders typically sell calls at 25-35 delta with 30-45 days to expiration to balance premium against upside cap.
TWST thesis for this covered call
The market-implied 1-standard-deviation range for TWST extends from approximately $36.06 on the downside to $61.68 on the upside. A TWST covered call collects premium on an existing long TWST position, trading off upside above the short call strike for immediate income; the short strike selection should reflect the trader's view on whether TWST will breach that level within the expiration window. Current TWST IV rank near 42.49% is mid-range against its 1-year distribution, so the IV signal is neutral; the covered call thesis on TWST should anchor more to the directional view and the expected-move geometry. As a Healthcare name, TWST options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to TWST-specific events.
TWST covered call positions are structurally neutral to slightly 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. TWST positions also carry Healthcare sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move TWST alongside the broader basket even when TWST-specific fundamentals are unchanged. Short-premium structures like a covered call on TWST carry tail risk when realized volatility exceeds the implied move; review historical TWST earnings reactions and macro stress periods before sizing. Always rebuild the position from current TWST chain quotes before placing a trade.
Frequently asked questions
- What is a covered call on TWST?
- A covered call on TWST is the covered call strategy applied to TWST (stock). The strategy is structurally neutral to slightly bullish: A covered call pairs long stock with a short out-of-the-money call, collecting premium and capping upside above the short strike in exchange for income. With TWST stock trading near $48.87, the strikes shown on this page are snapped to the nearest listed TWST chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are TWST covered call max profit and max loss calculated?
- Max profit equals short-strike minus cost basis plus premium times 100; max loss is cost basis minus premium (at zero). Breakeven is cost basis minus premium. For the TWST covered call priced from the end-of-day chain at a 30-day expiry (ATM IV 91.40%), the computed maximum profit is $788.00 per contract and the computed maximum loss is -$4,461.00 per contract. Live intraday quotes will differ as the chain moves through the trading session.
- What is the breakeven for a TWST covered call?
- The breakeven for the TWST covered call priced on this page is roughly $44.62 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 TWST market-implied 1-standard-deviation expected move is approximately 26.20%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a covered call on TWST?
- Covered calls on TWST are an income strategy run on existing TWST stock positions; traders typically sell calls at 25-35 delta with 30-45 days to expiration to balance premium against upside cap.
- How does current TWST implied volatility affect this covered call?
- TWST ATM IV is at 91.40% with IV rank near 42.49%, which is mid-range against its 1-year history. Strategy selection depends more on directional thesis and expected move than on a strong IV signal.