What move does the options market price into Alector's report?

Implied ±40.1%, either direction.

How often does Alector move more than the options market prices?

3 of the last 8 reports moved at least as far as the implied move.

ALECNasdaqBiological Products, (No Diagnostic Substances)

Alector, Inc. (ALEC) earnings date, market-implied expected move, and options open interest by expiry

2.05

pre 2.08 +1.46%

Pre-market05:36 ETdelayed

Open2.08Volume1.4MMkt cap$228.9MEPS-1.10

Day2.02 – 2.08100%52-wk1.09 – 2.7659%

ALEC

Alector, Inc.

OpenVolumeMkt capP/EEPSDiv yield

Day – 52-wk –

Expected move

Inputs

±40.1%implied · report alone

8Q avg ±17.3%·×2.32·rich

1.232.87

straddle ±41.5%

spot 2.05exp Nov 20ATM strike 2ATM straddle 1.00IV 292%

Nov 3 closereport share · term structure

Expected move

Inputs

Next report

Nov 5

after close · in 1 day

est.Q3 FY26

Calendar

Next report

Last report

−2.73%

vs ±39.7% implied · ×0.07

shaded = implied · ▲▼ = realized

Aug 6 '26 · confirmed

Implied vs realized

Linked news

16hABBV · customerAbbVie posts net earnings $4,220 million, diluted EPS $2.37 for quarter
1dGSK · customerGSK total voting rights 4,045,439,182

News

Largest filed tie

13F top-10 QoQ

+10.55%

shares held · 10 largest managers

13F · Jun 30 '26127d lag

141 managers

Top fund weight

0.01%

ALEC weight · IWM

N-PORTJun 30 '26

3 funds

Last reportshaded = implied▲▼ = realized× = |realized| ÷ implied

Alector (ALEC) is expected to report on Nov 5 after close (estimated date).

Implied vs realized

8 reports

3 of 8≥ implied

avg implied: ±40.3%
avg realized: ±17.3%

Feb 26 '25Feb 26 '25confirmed±46.2%▼−3.49%×0.08

May 8 '25May 8 '25confirmed±36.4%▲+12.50%×0.34

Aug 7 '25Aug 7 '25confirmed±37.1%▲+47.26%×1.27

Q3 FY25Oct 21 '25confirmed±37.8%▼−49.84%×1.32

Nov 6 '25Nov 6 '25confirmed±80.9%▼−1.54%×0.02

Q1 FY26Feb 25 '26confirmed±31.5%▲+7.11%×0.23

May 7 '26May 7 '26confirmed±13.1%▼−13.93%×1.07

Q2 FY26Aug 6 '26confirmed±39.7%▼−2.73%×0.07

quarterimplied−85%0+85%realized×

Q2 FY26±39.7%▼−2.73%×0.07

May '26±13.1%

Shaded = implied · tick ▲▼ = realized · × = |realized| ÷ impliedSource: options EOD · implied at prior close · realized close to close

Implied vs realized

Positioning

OI · 3 expiries · Oct 30 close

0.16OI · 3 expiries · Oct 30 closeP/C open interest · Nov 20 · first expiry after the report

PUTS · chgexpiry · days · P/CCALLS · chgP/C

280+1%Nov 2016d1,777+10%

40,8670%Jan 1572d36.651,1150%36.65

474+19%Apr 16163d0.361,324+8%0.36

ExpiryPutsCallsP/C

Nov 2016d280+1%1,777+10%0.16

Jan 1572d40,8670%1,1150%36.65

Apr 16163d474+19%1,324+8%0.36

Hatched = puts · solid = calls · bars scaled per expiry · chg = OI vs prior sessionSource: options EOD

Positioning

Linked exposure

scenario · straddle±41.5%

Funds 3

IWM±0.0%

UWM±0.0%

VTI±0.0%

Dashed = straddleMethod Source: SEC filings · N-PORT · market data

Linked exposure

Revenue flow

as filedQ2 FY26

−692.47%as filednet margin · revenue +217.40% QoQ · −57.84% YoY

Revenue$3M+217.40%

Gross profit$3M100.00%+217.40%

Operating income−$24M−734.73%+2.11%

Pre-tax income−$23M+0.31%

Net income−$23M−692.47%−0.26%

Cost of revenue$0—

Operating expenses$28M+6.73%

Tax$130,000—

Other income$2M−22.93%

Source: SEC filings · standardized · QE Jun 30 '26 · bars = % of revenue

Revenue flow

Intraday

15m bars

Long dash = implied range · Nov 3 close · Hatch = extended hours · ▯ up · ▮ downSource: market data · 05:30 ET

Intraday

Event sensitivity

NFP ×1.08· ±4.3% vs ±4.0% · 10 releases

eventrelease day|move|up · n×base

NFPjobs report±4.3%3 of 10×1.08

PPIproducer prices±4.1%4 of 11×1.03

FOMCrate decision±3.7%12 of 24×0.93

CPIconsumer prices±3.4%6 of 11×0.84

PCEpersonal income & outlays±3.0%7 of 20×0.76

GDPgross domestic product±2.6%8 of 20×0.65

CPROFcorporate profits±2.1%4 of 12×0.53

Bar = avg |move| to ±5% · tick = ±4.0% avg day · ×base = |move| ÷ ±4.0% · min 6 releases

Earnings history

EPS -0.21 · consensus —

Quarter	Reported	EPS	Consensus
Q2 FY26	Aug 6 '26 · confirmed	-0.21	—
Q1 FY26	Feb 25 '26 · confirmed	-0.21	—
Q3 FY25	Oct 21 '25 · confirmed	-0.34	—

Source: filed financials

Methodology

ties · implied moves · holdersMethod