GOSSGossamer Bio, Inc. Common Stock
Options Analysis Report•PHARMACEUTICAL PREPARATIONS
Market Cap $106M|NASDAQ
● 2026-04-17$0.45
BULLISH
Analysis: 2026-04-16 EOD data
1Y -45.1%YTD -84.5%7D +8.9%
Options Vol
49
30D
Implied Move
±8.6%
IV Rank
21%
GOSS Options Overview
bullish flow. No clear edge detected.
REWARDS
RISK ANALYSIS
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Value
Is IV priced right?
5.7
ExpensiveCheap
Measures whether options are cheap, fair, or rich relative to historical and peer
IV
levels.Risk Checks5/9 checks passed
IV Rank
≤35%IV Rank 50.0% — elevated vs history
IV/HV Ratio
<1.05xIV/HV 1.00x — IV ≤ HV
Sector Relative≤50%
Sector percentile 50% — below sector median
Term Structure
<1.1xFront/Back 1.00x — flat
Skew Normal
<1.25xPut/Call IV 1.00x — normal
Absolute IV
<80%ATM IV 0.0% — normal range
Spread-Adjusted Value
<80%Effective IV 158.6% (ATM 0.0% + spread 79.3% + bias) — expensive
Execution Efficiency
<3.0%Total drag 100.07% (spread 79.31% + slippage 20.76%) — high friction
Vega Efficiency
≥5.0Vega efficiency 0.00 (vega 0.000 / spread 79.31%) — spread drag
Sentiment
Bullish or bearish?
5.2
BearishBullish
Analyzes
put/call ratios
, open interest skew
, and flow direction to determine market bias.Risk ChecksBearish - Moderate signal (Conviction: -13%, Raw: +11%)
Flow Direction
|net sentiment| ≥25%Conviction-weighted: -13% (bearish) — Raw: +11%
OI Skew Magnitude
≥15%|OI skew| 74.7% — call-heavy
Volume-OI Alignment
Same sign, |vol skew| ≥10%Vol skew +6.1%, OI skew +74.7% — weak (same direction)
Conviction Quality
≥2/3 conditions0-DTE 8%, far-OTM 15%, avg DTE 30
OI Momentum
|change| ≥3%OI change +0.0% (5d) — stable
Smart Money Flow
|weighted flow| ≥20%ITM: -33%, ATM: +0%, OTM: +33% — bearish (ITM/ATM divergent)
Sector Relative≤40% or ≥60%
Sector P/C percentile 58% — bearish vs sector
Activity
Unusual activity?
1.8
QuietActive
Detects volume surges,
block trades
, and unusual options activity that may signal moves.Risk Checks0/9 checks passed
Volume Surge
≥1.5xVolume 0.0x avg — normal
Turnover Rate
≥15%Vol/OI 0.1% — normal turnover
Strike Concentration
≥60%Top 3 strikes = 50% — dispersed
Multi-Day Persistence
≥2 days1 day(s) elevated — may be one-day event
OI Build
≥5%OI change +0.1% (5d) — stable
Sector Relative≥60%
Sector activity percentile 3% — quiet vs sector
Trade Quality
≥30%Large trade volume 0% — mostly retail
Execution Urgency
≥60%Aggressive execution 33% — patient
Flow Conviction
≥30Conviction -13 (bearish) — mixed
Liquidity
Can I trade efficiently?
3.3
IlliquidLiquid
Evaluates
bid-ask spreads
, volume depth, and open interest for trade execution quality.Risk Checks3/8 checks passed
Tradeable Spread
≤5.0%Spread 79.3% — wide
Adequate OI
≥10,000OI 81,058 — deep
Active Volume
≥500Volume 49/day — thin
Reasonable Cost
≤$0.50$3.97 to cross — expensive
Strike Coverage
≥5 strikes0 liquid strikes — limited options
Sector Relative≤40%
Sector spread percentile 0% — much tighter than sector
Order Book Depth
≥100 contractsDepth 1,100.3 contracts (bid:597.4 ask:502.9) — deep
Execution Quality
<1.0%Avg slippage 20.76% — poor
Timing
Is now a good time?
5.6
RiskyFavorable
Considers earnings proximity,
time decay
, and event calendar for optimal entry timing.Risk Checks3/9 checks passed
Term Structure Clarity
|slope| ≥5%Slope +0.0% — flat/unclear
IV Percentile Clarity
<30 or >70IV percentile 50% — neutral
Event Detection
≥10pts kinkIV kink 0.0pts — no clear event
Theta/Vega Clarity
<0.5 or >2.0θ/ν ratio 1.00 — favors mixed
Expiration Distribution
≥3 expirations3 liquid expirations — flexible
Event Risk
≥60% (safe)safe window: No earnings detected
Spread Momentum
<1.2 ratioSpread ratio 1.00x — stable
Flow Momentum
≥25% strength + ≥50% consistencyFlow -13% @ 57% consistency — unclear
Smart Money Timing
≥40 composite scoreScore 30 (ITM 20% + inst 0%) — retail dominated
Directional Strategy Fit
Option Buyers
Long Calls5.2
bullishIV fair, mixed flow
Long Puts5.0
bearishIV fair, mixed flow
Premium Sellers
Cash-Secured Put4.6
bullishIV fair, mixed flow
Covered Call4.5
bearishIV fair, mixed flow
For educational purposes only. Not investment advice.