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ECL$281.83 +2.97%+ Alert
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● 10 Oct · US closed · scored 09:27
● Sat 10 Oct 2026/US closed · opens Mon 14:30 BST/101 names scored today/last score 10:32 BSTResearch, not advice · every call is published at Proof

ECL

Ecolab Inc
$281.83 · +2.97% vs $273.70 close · scored 09:27 · fresh
Decision brief
BEARISH · 54/100
What changed
Composite weakened 45.3 points.
Evidence is current.
What would change the view
composite rises above -15 · confidence deteriorates materially from 54/100
For the read
options volume favours puts
Against / uncertainty
open interest leans against the read
The read
Mildly bearish, moderately evidenced, and the tape has led price here.
−100 bearish0bullish +100
−24.2 composite┆ +21.1 yesterday (−45.3)−38.1 vs a week ago
Evidence
54 / 100 · top 52% today
1,344 contracts · quality 82 · stability 0.70
hasn’t paid +2.29% · n=7,579
01

Why it’s −24

Method
What traded today · weight 62%
−40.1 pts
237 calls · 17.6%1,107 puts
bias −64.7 × 0.62
What’s on the books · weight 38%
+15.9 pts
12,044 call OI · 71.0%4,931 put OI
bias +41.9 × 0.38
Equals
−24.2
72% of the score comes from today’s volume, 28% from open interest. Disagree with either? See the method.
02

What changed: 14 days of tape against price

14d43d90d365d · Reader
tape composite (bars)— price◆ big one-day moves30d: price +3.53% · tape −81.6 · corr -0.20
▼ low −36.7◆ +80.4 in a day● peak +6109-2709-2910-0110-0310-0510-0710-0910-10$283$271

Plain English: Over 30 days, price has risen 3.53% while the tape has faded 81.6 points. The two are drifting apart.

03

Should you trust it?

note
Some evidence, not a lot
confidence 54 (48th pct) · quality 82 · 1,344 contracts
note
Jumpy
0.70 vs 7-day rolling · choppiness 80
against
This kind of read hasn’t paid
mildly bearish · put-heavy · low liquidity → +2.29% avg, n=7,579
pass
Tape has led price
tape has led ECL’s price by 2 days (r=-0.39, n=52)
note
Stretched vs its own history
today’s tape sits low relative to price
against
Our record on ECL is poor
12% hit rate on 1415 closed calls · payoff 0.49×
04

Where the positions sit

calls tradedstrikeputs traded
$370
$360
$350
$340
$330
$320
$310
$300
WALL · OI 4,524
$290
$280
$270
$260
$250
$240
$230
$220
$210
$200
$195
Spot $281.83 highlighted. The $300 strike holds the most open interest (the “wall”, 4,524). Near-dated expiry in the mix, so OI is noisier.
05

Our record on ECL

Proof
12%
hit rate · 1415 closed
0.49×
payoff
−0.29%
avg return
4 Oct · 4h
$273.70 → $273.70
+0.00%flat
3 Oct · 4h
$273.70 → $273.70
+0.00%flat
2 Oct · 4h
$272.37 → $272.37
+0.00%flat
2 Oct · 4h
$271.26 → $271.26
+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; 844 of these 1415 calls were flat.

06

Catalysts & context

EPS surprise · last 4 quarters
−1.09%Q3 ’25
−0.34%Q4 ’25
−0.73%Q1 ’26
−0.55%Q2 ’26
Street Buy-leaningNext report — P/E 36.63 · fwd 30.58Beta 0.881 52w $243.15–$309.27IV rank —
Ecolab Inc · Chemicals
Mildly bearish, moderately evidenced. The tape has led price here.
−100 bearish0bullish +100
−24.2┆ +21.1 ydayevidence 54
hasn’t paid +2.29% · n=7,579
Why it’s −24
−40.1 volume · 18% calls+15.9 OI · 71% calls
14 days · tape bars, price line
◆ +80.409-2709-2910-0110-0310-0510-0710-0910-10$283$271
Price +3.53%, tape −81.6 over 30 days. The two are drifting apart.
Should you trust it?
noteSome evidence, not a lot
confidence 54 (48th pct) · quality 82 · 1,344 contracts
noteJumpy
0.70 vs 7-day rolling · choppiness 80
againstThis kind of read hasn’t paid
mildly bearish · put-heavy · low liquidity → +2.29% avg, n=7,579
noteStretched vs its own history
today’s tape sits low relative to price
Ask about ECL
Why did the score drop from +14 to −24 this week?
It was mostly one day. The composite was +21.1 on 9 Oct, then fell to −24.2 on 10 Oct as the price moved from $273.70 to $281.83. It’s at −24.2 now.

Today’s −24.2 breaks down as −40.1 from volume and +15.9 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 · 53 ptsstock_scores · 09:27method · 62/38
Ask
Explain the $300 wallCompare ECL vs SHWAlert me before earnings