Options/GRAL

GRALGRAIL, Inc. Common Stock

Options Analysis Report•SERVICES-MEDICAL LABORATORIES

Market Cap $3.6B|NASDAQ

● 2026-08-31$80.00

NEUTRAL

Analysis: 2026-08-28 EOD data

1Y +153.1%YTD -10.0%7D +4.5%

Options Vol

1,318

30D

Implied Move

±23.7%

IV Rank

21%

GRAL Options Overview

IV is elevated with unusual activity. Conditions favor premium sellers.

REWARDS

RISK ANALYSIS

Snowflake Analysis

Favorable conditions for premium sellers

Learn

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GRAL Gamma Walls

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Value

Is IV priced right?

4.7

ExpensiveCheap

Measures whether options are cheap, fair, or rich relative to historical and peer

levels.

Risk Checks4/9 checks passed

IV Rank

≤35%

IV Rank 94.4% — elevated vs history

IV/HV Ratio

<1.05x

IV/HV 0.94x — IV ≤ HV

Sector Relative≤50%

Sector percentile 85% — above sector median

Term Structure

<1.1x

Front/Back 0.97x — contango

Skew Normal

<1.25x

Put/Call IV 1.16x — elevated

Absolute IV

<80%

ATM IV 87.2% — crisis-level IV

Spread-Adjusted Value

<80%

Effective IV 127.7% (ATM 87.2% + spread 20.3% + bias) — expensive

Execution Efficiency

<3.0%

Total drag 28.02% (spread 20.27% + slippage 7.75%) — high friction

Vega Efficiency

≥5.0

Vega efficiency 16.03 (vega 32.494 / spread 20.27%) — efficient

Sentiment

Bullish or bearish?

3.1

BearishBullish

Analyzes

put/call ratios

open interest skew

, and flow direction to determine market bias.

Risk ChecksVery Bearish - Moderate signal (Conviction: -36%, Raw: -14%)

Flow Direction

|net sentiment| ≥25%

Conviction-weighted: -36% (strong bearish) — Raw: -14%

OI Skew Magnitude

≥15%

|OI skew| 11.3% — balanced

Volume-OI Alignment

Same sign, |vol skew| ≥10%

Vol skew -24.0%, OI skew +11.3% — divergent (opposite)

Conviction Quality

≥2/3 conditions

0-DTE 0%, far-OTM 15%, avg DTE 30

OI Momentum

|change| ≥3%

OI change +0.0% (5d) — stable

Smart Money Flow

|weighted flow| ≥20%

ITM: -61%, ATM: +89%, OTM: -29% — neutral (ITM/ATM divergent)

Sector Relative≤40% or ≥60%

Sector P/C percentile 82% — very bearish vs sector

Activity

Unusual activity?

4.1

QuietActive

Detects volume surges,

block trades

, and unusual options activity that may signal moves.

Risk Checks2/8 checks passed

Volume Surge

≥1.5x

Volume 0.8x avg — normal

Turnover Rate

≥15%

Vol/OI 4.2% — normal turnover

Multi-Day Persistence

≥2 days

1 day(s) elevated — may be one-day event

OI Build

≥5%

OI change +2.3% (5d) — building

Sector Relative≥60%

Sector activity percentile 76% — active vs sector

Trade Quality

≥30%

Large trade volume 25% — mixed

Execution Urgency

≥60%

Aggressive execution 42% — patient

Flow Conviction

≥30

Conviction -36 (bearish) — moderate

Liquidity

Can I trade efficiently?

2.6

IlliquidLiquid

Evaluates

bid-ask spreads

, volume depth, and open interest for trade execution quality.

Risk Checks2/8 checks passed

Tradeable Spread

≤5.0%

Spread 20.3% — wide

Adequate OI

≥10,000

OI 31,444 — adequate

Active Volume

≥500

Volume 1,318/day — adequate

Reasonable Cost

≤$0.50

$1.01 to cross — expensive

Strike Coverage

≥5 strikes

0 liquid strikes — limited options

Sector Relative≤40%

Sector spread percentile 94% — much wider than sector

Order Book Depth

≥100 contracts

Depth 21.3 contracts (bid:12.3 ask:9.0) — thin

Execution Quality

<1.0%

Avg slippage 7.75% — poor

Timing

Is now a good time?

7.1

RiskyFavorable

Considers earnings proximity,

time decay

, and event calendar for optimal entry timing.

Risk Checks7/9 checks passed

Term Structure Clarity

|slope| ≥5%

Slope -3.0% — flat/unclear

IV Percentile Clarity

<30 or >70

IV percentile 94% — seller opportunity

Event Detection

≥10pts kink

IV kink -9.0pts — no clear event

Theta/Vega Clarity

<0.5 or >2.0

θ/ν ratio 1112.79 — favors income trades

Expiration Distribution

≥3 expirations

3 liquid expirations — flexible

Event Risk

≥60% (safe)

safe window: No events detected

Spread Momentum

<1.2 ratio

Spread ratio 1.00x — stable

Flow Momentum

≥25% strength + ≥50% consistency

Flow -36% @ 68% consistency — moderate (bearish)

Smart Money Timing

≥40 composite score

Score 55 (ITM 20% + inst 25%) — moderate institutional

Directional Strategy Fit

Option Buyers

Long Calls4.2

bullishIV fair, bearish flow

Long Puts5.5

bearishIV fair, bearish flow

Premium Sellers

Cash-Secured Put4.3

bullishIV fair, bearish flow

Covered Call5.6

bearishIV fair, bearish flow

For educational purposes only. Not investment advice.

The Options Desk tracks the move options price into every US earnings report the week of Aug 31, next to how much each stock has actually moved on its past prints — plus the SPY, QQQ and IWM expected ranges and the gamma walls that box them in.

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