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FSLY$22.07 —+ Alert
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● 21 Oct · US extended hours · scored 01:48
● Wed 21 Oct 2026/US extended hours · opens 14:30 BST/399 names scored today/last score 10:43 BSTResearch, not advice · every call is published at Proof

FSLY

FSLY
$22.07 · scored 01:48 · stale
Decision brief
BULLISH · 62/100
What changed
No prior comparable read.
Evidence is stale — treat this read cautiously.
What would change the view
composite falls below +15 · confidence deteriorates materially from 62/100
For the read
options volume favours calls
Against / uncertainty
signal stability is low
The read
Strongly bullish, moderately evidenced.
−100 bearish0bullish +100
+28.0 composite
Evidence
62 / 100 · top 16% today
4,639 contracts · quality 78 · stability 0.00
hasn’t paid −0.01% · n=73,379
01

Why it’s +28

Method
What traded today · weight 62%
+26.9 pts
3,327 calls · 71.7%1,312 puts
bias +43.4 × 0.62
What’s on the books · weight 38%
+1.1 pts
13,508 call OI · 51.4%12,750 put OI
bias +2.9 × 0.38
Equals
+28.0
96% of the score comes from today’s volume, 4% from open interest. Disagree with either? See the method.
02

What changed: 1 days of tape against price

14d43d90d365d · Reader
tape composite (bars)— price◆ big one-day moves
NO HISTORY YET

We started scoring FSLY today.

There’s one reading so far. The 14-day chart fills in as the hourly tape arrives. Nothing here is back-filled or guessed.

03

Should you trust it?

note
Some evidence, not a lot
confidence 62 (84th pct) · quality 78 · 4,639 contracts
note
Jumpy
0.00 vs 7-day rolling · choppiness 34
against
This kind of read hasn’t paid
strongly bullish · call-heavy · low liquidity → −0.01% avg, n=73,379
note
Too few of our calls checked
1 closed call on FSLY
04

Where the positions sit

calls tradedstrikeputs traded
$26.5
$26
$25.5
$25
$24.5
$24
$23.5
$23
$22.5
$22
$21.5
$21
$20.5
$20
WALL · OI 4,584
$19.5
$19
$18.5
$18
$17.5
Spot $22.07 highlighted. The $20 strike holds the most open interest (the “wall”, 4,584). Near-dated expiry in the mix, so OI is noisier.
05

Our record on FSLY

Proof
0%
hit rate · 1 closed
—
payoff
+0.00%
avg return
21 Oct · 4h
$22.07 → $22.07
+0.00%flat

One rule everywhere: a move of 0.05% or less is flat, and flat is not a hit. That is the same rule Proof uses; 1 of these 1 calls were flat.

06

Catalysts & context

EPS surprise · last 4 quarters
No reported quarters stored yet.
Street —Next report — P/E —Beta — 52w —IV rank —
FSLY
Strongly bullish, moderately evidenced.
−100 bearish0bullish +100
+28.0evidence 62
hasn’t paid −0.01% · n=73,379
Why it’s +28
+26.9 volume · 72% calls+1.1 OI · 51% calls
1 days · tape bars, price line
Not enough tape history to draw this yet.
Should you trust it?
noteSome evidence, not a lot
confidence 62 (84th pct) · quality 78 · 4,639 contracts
noteJumpy
0.00 vs 7-day rolling · choppiness 34
againstThis kind of read hasn’t paid
strongly bullish · call-heavy · low liquidity → −0.01% avg, n=73,379
noteToo few of our calls checked
1 closed call on FSLY
Ask about FSLY
Not enough tape history on FSLY for a weekly brief yet. Ask anything below.
Ask
Explain the $20 wallAlert me before earnings