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● 10 Oct · US closed · scored 15:07
● Sat 10 Oct 2026/US closed · opens Mon 14:30 BST/166 names scored today/last score 15:07 BSTResearch, not advice · every call is published at Proof

BB

BlackBerry Ltd
$8.91 · +3.01% vs $8.65 close · scored 15:07 · fresh
Decision brief
BULLISH · 75/100
What changed
The read is broadly unchanged.
Evidence is current.
What would change the view
composite falls below +15 · confidence deteriorates materially from 75/100
For the read
options volume favours calls · open interest agrees with the read · signal has been stable · evidence confidence is high
Against / uncertainty
No material contradiction isolated.
The read
Strongly bullish, well evidenced, and the tape has led price here.
−100 bearish0bullish +100
+43.5 composite┆ +43.5 yesterday (+0.0)−26.8 vs a week ago
Evidence
75 / 100 · top 8% today
6,643 contracts · quality 90 · stability 0.85
hasn’t paid −1.64% · n=25,061
01

Why it’s +44

Method
What traded today · weight 62%
+25.9 pts
4,710 calls · 70.9%1,933 puts
bias +41.8 × 0.62
What’s on the books · weight 38%
+17.6 pts
78,025 call OI · 73.1%28,659 put OI
bias +46.3 × 0.38
Equals
+43.5
60% of the score comes from today’s volume, 40% from open interest. Disagree with either? See the method.
02

What changed: 43 days of tape against price

14d43d90d365d · Reader
tape composite (bars)— price◆ big one-day moves30d: price +14.97% · tape −9.8 · corr 0.44
● peak +74▼ low +15.1◆ +56.8 in a day08-2809-0409-1109-1909-2610-0310-10$9$8

Plain English: Over 30 days, price has risen 14.97% while the tape has faded 9.8 points. The two are drifting apart.

03

Should you trust it?

pass
Plenty behind it
confidence 75 (92th pct) · quality 90 · 6,643 contracts
pass
Stable
0.85 vs 7-day rolling · choppiness 21
against
This kind of read hasn’t paid
strongly bullish · call-heavy · mid liquidity → −1.64% avg, n=25,061
pass
Tape has led price
tape has led BB’s price by 3 days (r=0.17, n=44)
note
Stretched vs its own history
today’s tape sits low relative to price
against
Our record on BB is poor
8% hit rate on 2000 closed calls · payoff 0.59×
04

Where the positions sit

calls tradedstrikeputs traded
$13.5
$13
$12.5
$12
$11.5
$11
$10.5
$10
$9.5
$9
WALL · OI 25,730
$8.5
$8
$7.5
$7
$6.5
$6
$5.5
$5
$4.5
Spot $8.91 highlighted. The $9 strike holds the most open interest (the “wall”, 25,730). Near-dated expiry in the mix, so OI is noisier.
05

Our record on BB

Proof
8%
hit rate · 2000 closed
0.59×
payoff
−0.04%
avg return
9 Oct · 4h
$8.91 → $8.91
+0.00%flat
9 Oct · 4h
$8.78 → $8.91
+1.54%hit
9 Oct · 4h
$9.27 → $8.91
−3.88%miss
9 Oct · 4h
$8.79 → $8.91
+1.42%hit

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; 1652 of these 2000 calls were flat.

06

Catalysts & context

EPS surprise · last 4 quarters
+27.88%Q4 ’25
+29.31%Q1 ’26
+38.89%Q2 ’26
+61.66%Q3 ’26
Street Buy-leaningNext report — P/E 88.97 · fwd 40.99Beta 1.105 52w $4.35–$18.45IV rank —
BlackBerry Ltd · Technology
Strongly bullish, well evidenced. The tape has led price here.
−100 bearish0bullish +100
+43.5┆ +43.5 ydayevidence 75
hasn’t paid −1.64% · n=25,061
Why it’s +44
+25.9 volume · 71% calls+17.6 OI · 73% calls
43 days · tape bars, price line
◆ +56.808-2809-0409-1109-1909-2610-0310-10$9$8
Price +14.97%, tape −9.8 over 30 days. The two are drifting apart.
Should you trust it?
passPlenty behind it
confidence 75 (92th pct) · quality 90 · 6,643 contracts
passStable
0.85 vs 7-day rolling · choppiness 21
againstThis kind of read hasn’t paid
strongly bullish · call-heavy · mid liquidity → −1.64% avg, n=25,061
noteStretched vs its own history
today’s tape sits low relative to price
Ask about BB
Why did the score drop from +70 to +44 this week?
It moved over several days. The composite was +70.3 on 3 Oct, then fell to +59.2 on 4 Oct as the price moved from $9.30 to $9.30. It’s at +43.5 now.

Today’s +43.5 breaks down as +25.9 from volume and +17.6 from open interest. I can’t split past days the same way: the stored history keeps call/put volume but not open interest for past days.
tape_history · 45 ptsstock_scores · 15:07method · 62/38
Ask
Explain the $9 wallCompare BB vs ORCLAlert me before earnings