QTTB Bear Put Spread Strategy

QTTB (Q32 Bio Inc.), in the Healthcare sector, (Biotechnology industry), listed on NASDAQ.

Operating as a clinical-stage biotechnology firm, Q32 Bio Inc. is dedicated to developing biologic therapies aimed at re-establishing healthy immune equilibrium in patients across the United States suffering from autoimmune and inflammatory disorders stemming from dysfunctional immune responses. The company's primary investigational therapy, ADX-097, is a humanized anti-C3d monoclonal antibody fusion protein designed to normalize complement regulation. This candidate has successfully finished its Phase I clinical trial, targeting severe renal and other complement-driven conditions where patient needs are largely unmet, such as lupus nephritis, IgA nephropathy, C3 glomerulopathy, and ANCA-associated vasculitis. Additionally, Q32 Bio is advancing Bempikibart (ADX-914), a fully human monoclonal antibody antagonist against interleukin-7 receptor alpha. Currently in Phase II trials, Bempikibart aims to recalibrate adaptive immune responses by inhibiting signaling pathways involving interleukin-7 and thymic stromal lymphopoietin, offering potential treatment for atopic dermatitis and alopecia areata. Founded in 2017 and headquartered in Waltham, Massachusetts, Q32 Bio Inc. adopted its current name in April 2020, having previously operated as AdMIRx Inc.

QTTB (Q32 Bio Inc.) trades in the Healthcare sector, specifically Biotechnology, with a market capitalization of approximately $457.5M, a trailing P/E of 9.25, a beta of -0.33 versus the broader market, a 52-week range of 1.62-23.57, average daily share volume of 1.2M, a public-listing history dating back to 2018, approximately 22 full-time employees. These structural characteristics shape how QTTB stock options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.

A beta of -0.33 indicates QTTB has historically moved less than the broader market, dampening realized volatility and producing tighter expected-move bands per unit of dollar exposure. The trailing P/E of 9.25 is on the value side, where IV often compresses outside event windows because forward growth expectations are already discounted into the share price.

What is a bear put spread on QTTB?

A bear put spread buys an at-the-money put and sells an out-of-the-money put at a lower strike for defined risk and defined reward bounded by the strike width.

QTTB snapshot

As of August 14, 2026, spot at $15.15, ATM IV 93.20%, IV rank 16.89%, expected move 26.72%. The bear put spread on QTTB below is built from the 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 bear put spread structure on QTTB specifically: QTTB IV at 93.20% is on the cheap side of its 1-year range, which favors premium-buying structures like a QTTB bear put spread, with a market-implied 1-standard-deviation move of approximately 26.72% (roughly $4.05 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 QTTB expiries trade a higher absolute premium for lower per-day decay. Position sizing on QTTB should anchor to the underlying notional of $15.15 per share and to the trader's directional view on QTTB stock.

QTTB bear put spread setup

The QTTB bear put 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 QTTB at $15.15 on that close, the first option leg uses a $15.15 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed QTTB 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 QTTB shares for the stock leg in covered calls and collars).

ActionTypeStrike / BasisPremium (est)
Buy 1Put$15.15N/A
Sell 1Put$14.39N/A

QTTB bear put 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-put strike minus net debit.

QTTB bear put spread payoff curve

Modeled P&L at expiration across a range of underlying prices for the bear put spread on QTTB. 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 bear put spread on QTTB

Bear put spreads on QTTB reduce the cost of a bearish QTTB stock position by selling a lower-strike put; suited to moderate-decline theses where price reaches but does not vastly exceed the short strike.

QTTB thesis for this bear put spread

The market-implied 1-standard-deviation range for QTTB extends from approximately $11.10 on the downside to $19.20 on the upside. A QTTB bear put spread caps both the risk and the reward of a bearish position; relative to an outright long put on QTTB, the spread reduces the cost basis but limits the maximum profit to the strike width minus net debit. Current QTTB IV rank near 16.89% 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 QTTB at 93.20%. As a Healthcare name, QTTB options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to QTTB-specific events.

QTTB bear put spread positions are structurally moderately bearish; 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. QTTB positions also carry Healthcare sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move QTTB alongside the broader basket even when QTTB-specific fundamentals are unchanged. Long-premium structures like a bear put spread on QTTB 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 QTTB chain quotes before placing a trade.

Frequently asked questions

What is a bear put spread on QTTB?
A bear put spread on QTTB is the bear put spread strategy applied to QTTB (stock). The strategy is structurally moderately bearish: A bear put spread buys an at-the-money put and sells an out-of-the-money put at a lower strike for defined risk and defined reward bounded by the strike width. With QTTB stock at $15.15 on the most recent close, the strikes shown on this page are snapped to the nearest listed QTTB chain strike and the premiums come straight from that session's bid/ask midpoint.
How are QTTB bear put 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-put strike minus net debit. For the QTTB bear put spread priced from the end-of-day chain at a 30-day expiry (ATM IV 93.20%), 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 QTTB bear put spread?
The breakeven for the QTTB bear put spread priced on this page is no defined breakeven on the modeled curve at expiration, derived from the 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 QTTB market-implied 1-standard-deviation expected move in the same options snapshot is approximately 26.72%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
When should you consider a bear put spread on QTTB?
Bear put spreads on QTTB reduce the cost of a bearish QTTB stock position by selling a lower-strike put; suited to moderate-decline theses where price reaches but does not vastly exceed the short strike.
How does current QTTB implied volatility affect this bear put spread?
QTTB ATM IV is at 93.20% with IV rank near 16.89%, 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.

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