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PINS$21.18 +3.14%+ Alert
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● 10 Oct · US closed · scored 15:44
● Sat 10 Oct 2026/US closed · opens Mon 14:30 BST/150 names scored today/last score 14:36 BSTResearch, not advice · every call is published at Proof
Stocks / Media / 8 of 24 in the sector ☆ Add to book Compare… + Alert

PINS

Pinterest Inc
$21.18 · +3.14% vs $20.53 close · scored 15:44 · stale
Decision brief
BULLISH · 73/100
What changed
Composite strengthened 5.1 points.
Evidence is stale — treat this read cautiously.
What would change the view
composite falls below +15 · confidence deteriorates materially from 73/100
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, but it’s confirming price rather than calling it.
−100 bearish0bullish +100
+40.7 composite┆ +35.6 yesterday (+5.1)+8.5 vs a week ago
Evidence
73 / 100 · top 11% today
5,286 contracts · quality 89 · stability 0.88
hasn’t paid −1.64% · n=25,061
01

Why it’s +41

Method
What traded today · weight 62%
+30.9 pts
3,962 calls · 75.0%1,324 puts
bias +49.9 × 0.62
What’s on the books · weight 38%
+9.8 pts
25,546 call OI · 62.9%15,089 put OI
bias +25.7 × 0.38
Equals
+40.7
76% of the score comes from today’s volume, 24% 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 +0.64% · tape −9.4 · corr -0.23
● peak +60▼ low −33.0◆ +85.1 in a day08-2609-0209-0909-1609-2410-0110-09$23$18

Plain English: Over 30 days, price has risen 0.64% while the tape has faded 9.4 points. The two are drifting apart.

03

Should you trust it?

pass
Plenty behind it
confidence 73 (89th pct) · quality 89 · 5,286 contracts
pass
Stable
0.88 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
note
Tape is confirming, not predicting
price has led PINS’s tape by 3 days (r=-0.24, n=42)
against
Our record on PINS is poor
27% hit rate on 351 closed calls · payoff 0.32×
04

Where the positions sit

calls tradedstrikeputs traded
$25.5
$25
$24.5
$24
$23.5
$23
$22.5
$22
$21.5
$21
$20.5
$20
$19.5
$19
$18.5
$18
$17.5
$17
WALL · OI 6,346
$16.5
Spot $21.18 highlighted. The $17 strike holds the most open interest (the “wall”, 6,346). Near-dated expiry in the mix, so OI is noisier.
05

Our record on PINS

Proof
27%
hit rate · 351 closed
0.32×
payoff
−0.71%
avg return
9 Oct · 4h
$21.18 → $21.18
+0.00%flat
9 Oct · 4h
$20.53 → $21.18
+3.14%hit
9 Oct · 4h
$20.53 → $21.18
+3.14%hit
9 Oct · 4h
$20.53 → $21.18
+3.14%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; 143 of these 351 calls were flat.

06

Catalysts & context

EPS surprise · last 4 quarters
−10.69%Q3 ’25
−5.06%Q4 ’25
+14.84%Q1 ’26
+18.07%Q2 ’26
Street Buy-leaningNext report — P/E 46.56 · fwd 10.03Beta 0.984 52w $13.84–$35.42IV rank —
Pinterest Inc · Media
Strongly bullish, well evidenced. It’s confirming price rather than calling it.
−100 bearish0bullish +100
+40.7┆ +35.6 ydayevidence 73
hasn’t paid −1.64% · n=25,061
Why it’s +41
+30.9 volume · 75% calls+9.8 OI · 63% calls
43 days · tape bars, price line
◆ +85.108-2609-0209-0909-1609-2410-0110-09$23$18
Price +0.64%, tape −9.4 over 30 days. The two are drifting apart.
Should you trust it?
passPlenty behind it
confidence 73 (89th pct) · quality 89 · 5,286 contracts
passStable
0.88 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
noteTape is confirming, not predicting
price has led PINS’s tape by 3 days (r=-0.24, n=42)
Ask about PINS
Why did the score rise from +32 to +41 this week?
It was mostly one day. The composite was +24.1 on 6 Oct, then rose to +34.3 on 8 Oct as the price moved from $19.26 to $19.26. It’s at +40.7 now.

Today’s +40.7 breaks down as +30.9 from volume and +9.8 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 · 43 ptsstock_scores · 15:44method · 62/38
Ask
Explain the $17 wallCompare PINS vs AMCAlert me before earnings