Options/ALNY

ALNYAlnylam Pharmaceuticals, Inc.

Options Analysis Report•PHARMACEUTICAL PREPARATIONS

Market Cap $31.7B|NASDAQ

● 2026-08-31$237.10

NEUTRAL

Analysis: 2026-08-28 EOD data

1Y -47.0%YTD -40.8%7D +0.5%

Options Vol

949

30D

Implied Move

±12.7%

IV Rank

ALNY Options Overview

IV is elevated. Conditions favor premium sellers.

REWARDS

RISK ANALYSIS

Snowflake Analysis

Balanced conditions with no clear edge

Learn

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ALNY Gamma Walls

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Value

Is IV priced right?

6.7

ExpensiveCheap

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

levels.

Risk Checks7/9 checks passed

IV Rank

≤35%

IV Rank 74.2% — elevated vs history

IV/HV Ratio

<1.05x

IV/HV 0.97x — IV ≤ HV

Sector Relative≤50%

Sector percentile 46% — below sector median

Term Structure

<1.1x

Front/Back 0.88x — contango

Skew Normal

<1.25x

Put/Call IV 1.16x — elevated

Absolute IV

<80%

ATM IV 48.3% — normal range

Spread-Adjusted Value

<80%

Effective IV 69.4% (ATM 48.3% + spread 10.5% + bias) — fair

Execution Efficiency

<3.0%

Total drag 18.57% (spread 10.54% + slippage 8.03%) — high friction

Vega Efficiency

≥5.0

Vega efficiency 54.89 (vega 57.858 / spread 10.54%) — efficient

Sentiment

Bullish or bearish?

6.3

BearishBullish

Analyzes

put/call ratios

open interest skew

, and flow direction to determine market bias.

Risk ChecksVery Bullish - Strong signal (Conviction: +54%, Raw: +47%)

Flow Direction

|net sentiment| ≥25%

Conviction-weighted: +54% (strong bullish) — Raw: +47%

OI Skew Magnitude

≥15%

|OI skew| 27.1% — call-heavy

Volume-OI Alignment

Same sign, |vol skew| ≥10%

Vol skew -32.8%, OI skew +27.1% — 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: +77%, ATM: +5%, OTM: +44% — strong bullish (ITM/ATM aligned)

Sector Relative≤40% or ≥60%

Sector P/C percentile 85% — very bearish vs sector

Activity

Unusual activity?

3.8

QuietActive

Detects volume surges,

block trades

, and unusual options activity that may signal moves.

Risk Checks2/8 checks passed

Volume Surge

≥1.5x

Volume 0.6x avg — normal

Turnover Rate

≥15%

Vol/OI 2.0% — normal turnover

Multi-Day Persistence

≥2 days

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

OI Build

≥5%

OI change +13.4% (5d) — building

Sector Relative≥60%

Sector activity percentile 57% — neutral vs sector

Trade Quality

≥30%

Large trade volume 0% — mostly retail

Execution Urgency

≥60%

Aggressive execution 37% — patient

Flow Conviction

≥30

Conviction +54 (bullish) — strong conviction

Liquidity

Can I trade efficiently?

3.7

IlliquidLiquid

Evaluates

bid-ask spreads

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

Risk Checks2/8 checks passed

Tradeable Spread

≤5.0%

Spread 10.5% — wide

Adequate OI

≥10,000

OI 46,625 — adequate

Active Volume

≥500

Volume 949/day — adequate

Reasonable Cost

≤$0.50

$0.53 to cross — expensive

Strike Coverage

≥5 strikes

2 liquid strikes — limited options

Sector Relative≤40%

Sector spread percentile 78% — wider than sector

Order Book Depth

≥100 contracts

Depth 38.6 contracts (bid:18.3 ask:20.3) — thin

Execution Quality

<1.0%

Avg slippage 8.03% — poor

Timing

Is now a good time?

7.5

RiskyFavorable

Considers earnings proximity,

time decay

, and event calendar for optimal entry timing.

Risk Checks7/9 checks passed

Term Structure Clarity

|slope| ≥5%

Slope -11.6% — contango

IV Percentile Clarity

<30 or >70

IV percentile 74% — seller opportunity

Event Detection

≥10pts kink

IV kink -3.7pts — no clear event

Theta/Vega Clarity

<0.5 or >2.0

θ/ν ratio 503.99 — 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 +54% @ 77% consistency — STRONG directional (bullish)

Smart Money Timing

≥40 composite score

Score 30 (ITM 20% + inst 0%) — retail dominated

Directional Strategy Fit

Option Buyers

Long Calls6.2

bullishIV cheap, bullish flow

Long Puts5.3

bearishIV cheap, bullish flow

Premium Sellers

Cash-Secured Put5.1

bullishIV too cheap, bullish flow

Covered Call4.2

bearishIV too cheap, bullish 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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