KRROKorro Bio, Inc. Common Stock
Options Analysis Report•PHARMACEUTICAL PREPARATIONS
Market Cap $160M|NASDAQ
● 2026-05-15$11.08
BEARISH
Analysis: 2026-05-14 EOD data
1Y -23.5%YTD +37.6%7D -8.0%
Options Vol
86
30D
Implied Move
±8.6%
IV Rank
3%
KRRO Options Overview
bearish flow. No clear edge detected.
REWARDS
RISK ANALYSIS
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Value
Is IV priced right?
6.4
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 221.9% (ATM 0.0% + spread 111.0% + bias) — expensive
Execution Efficiency
<3.0%Total drag 155.25% (spread 110.97% + slippage 44.28%) — high friction
Vega Efficiency
≥5.0Vega efficiency 0.00 (vega 0.000 / spread 110.97%) — spread drag
Sentiment
Bullish or bearish?
2.3
BearishBullish
Analyzes
put/call ratios
, open interest skew
, and flow direction to determine market bias.Risk ChecksVery Bearish - Moderate signal (Conviction: -61%, Raw: -80%)
Flow Direction
|net sentiment| ≥25%Conviction-weighted: -61% (strong bearish) — Raw: -80%
OI Skew Magnitude
≥15%|OI skew| 30.4% — call-heavy
Volume-OI Alignment
Same sign, |vol skew| ≥10%Vol skew -51.2%, OI skew +30.4% — divergent (opposite)
Conviction Quality
≥2/3 conditions0-DTE 95%, far-OTM 15%, avg DTE 30
OI Momentum
|change| ≥3%OI change +0.0% (5d) — stable
Smart Money Flow
|weighted flow| ≥20%ITM: +0%, ATM: +0%, OTM: -80% — neutral (ITM/ATM divergent)
Sector Relative≤40% or ≥60%
Sector P/C percentile 89% — very bearish vs sector
Activity
Unusual activity?
5.2
QuietActive
Detects volume surges,
block trades
, and unusual options activity that may signal moves.Risk Checks4/9 checks passed
Volume Surge
≥1.5xVolume 1.6x avg — elevated
Turnover Rate
≥15%Vol/OI 3.5% — 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 -16.9% (5d) — unwinding
Sector Relative≥60%
Sector activity percentile 67% — active vs sector
Trade Quality
≥30%Large trade volume 0% — mostly retail
Execution Urgency
≥60%Aggressive execution 71% — urgent
Flow Conviction
≥30Conviction -61 (bearish) — strong conviction
Liquidity
Can I trade efficiently?
3.0
IlliquidLiquid
Evaluates
bid-ask spreads
, volume depth, and open interest for trade execution quality.Risk Checks1/8 checks passed
Tradeable Spread
≤5.0%Spread 111.0% — wide
Adequate OI
≥10,000OI 2,457 — thin
Active Volume
≥500Volume 86/day — thin
Reasonable Cost
≤$0.50$5.55 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 44.2 contracts (bid:5.6 ask:38.6) — thin
Execution Quality
<1.0%Avg slippage 44.28% — poor
Timing
Is now a good time?
6.2
RiskyFavorable
Considers earnings proximity,
time decay
, and event calendar for optimal entry timing.Risk Checks4/9 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 -61% @ 86% consistency — STRONG directional (bearish)
Smart Money Timing
≥40 composite scoreScore 30 (ITM 20% + inst 0%) — retail dominated
Directional Strategy Fit
Option Buyers
Long Calls4.4
bullishIV cheap, bearish flow
Long Puts6.3
bearishIV cheap, bearish flow
Premium Sellers
Cash-Secured Put3.4
bullishIV too cheap, bearish flow
Covered Call5.3
bearishIV too cheap, bearish flow
For educational purposes only. Not investment advice.