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MPLX$56.38 +0.00%+ Alert
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● 10 Oct · US closed · scored 06:47
● 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
Stocks / Energy / 32 of 32 in the sector ☆ Add to book Compare… + Alert

MPLX

MPLX LP
$56.38 · +0.00% vs $56.38 close · scored 06:47 · stale
Decision brief
BEARISH · 52/100
What changed
Composite weakened 9.5 points.
Evidence is stale — treat this read cautiously.
What would change the view
composite rises above -15 · confidence deteriorates materially from 52/100
For the read
options volume favours puts · signal has been stable
Against / uncertainty
open interest leans against the read
The read
Strongly bearish, moderately evidenced, and the tape has led price here.
−100 bearish0bullish +100
−37.7 composite┆ −28.2 yesterday (−9.5)−9.5 vs a week ago
Evidence
52 / 100 · top 58% today
202 contracts · quality 50 · stability 0.78
hasn’t paid +0.10% · n=21,921
01

Why it’s −38

Method
What traded today · weight 62%
−42.4 pts
32 calls · 15.8%170 puts
bias −68.3 × 0.62
What’s on the books · weight 38%
+4.7 pts
3,229 call OI · 56.1%2,523 put OI
bias +12.3 × 0.38
Equals
−37.7
90% of the score comes from today’s volume, 10% 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 −5.51% · tape −86.4 · corr 0.67
● peak +85◆ −91.4 in a day▼ low −48.708-2709-0309-1009-1709-2410-0110-09$60$56

Plain English: Over 30 days, price has fallen 5.51% while the tape has faded 86.4 points. They agree.

03

Should you trust it?

note
Some evidence, not a lot
confidence 52 (42th pct) · quality 50 · 202 contracts
note
Jumpy
0.78 vs 7-day rolling · choppiness 50
against
This kind of read hasn’t paid
strongly bearish · put-heavy · low liquidity → +0.10% avg, n=21,921
pass
Tape has led price
tape has led MPLX’s price by 3 days (r=-0.29, n=44)
against
Our record on MPLX is poor
16% hit rate on 363 closed calls · payoff 0.49×
04

Where the positions sit

No per-strike chain is stored for this name yet, so we can’t show where the positions sit. The totals above still come from today’s chain.
Spot $56.38. The $55 strike holds the most open interest (the “wall”, 2,386).
05

Our record on MPLX

Proof
16%
hit rate · 363 closed
0.49×
payoff
−0.01%
avg return
3 Oct · 4h
$56.38 → $56.38
+0.00%flat
2 Oct · 4h
$56.35 → $56.35
+0.00%flat
2 Oct · 4h
$56.35 → $56.35
+0.00%flat
2 Oct · 4h
$56.22 → $56.22
+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; 271 of these 363 calls were flat.

06

Catalysts & context

EPS surprise · last 4 quarters
+37.91%Q3 ’25
+8.68%Q4 ’25
−15.58%Q1 ’26
−3.70%Q2 ’26
Street Buy-leaningNext report — P/E 12.30 · fwd 12.48Beta 0.475 52w $47.80–$60.95IV rank —
MPLX LP · Energy
Strongly bearish, moderately evidenced. The tape has led price here.
−100 bearish0bullish +100
−37.7┆ −28.2 ydayevidence 52
hasn’t paid +0.10% · n=21,921
Why it’s −38
−42.4 volume · 16% calls+4.7 OI · 56% calls
43 days · tape bars, price line
◆ −91.408-2709-0309-1009-1709-2410-0110-09$60$56
Price −5.51%, tape −86.4 over 30 days. The two agree.
Should you trust it?
noteSome evidence, not a lot
confidence 52 (42th pct) · quality 50 · 202 contracts
noteJumpy
0.78 vs 7-day rolling · choppiness 50
againstThis kind of read hasn’t paid
strongly bearish · put-heavy · low liquidity → +0.10% avg, n=21,921
againstOur record on MPLX is poor
16% hit rate on 363 closed calls · payoff 0.49×
Ask about MPLX
Why did the score rise from −49 to −38 this week?
It was mostly one day. The composite was −48.7 on 1 Oct, then rose to −28.2 on 2 Oct as the price moved from $56.68 to $56.35. It’s at −37.7 now.

Today’s −37.7 breaks down as −42.4 from volume and +4.7 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 · 06:47method · 62/38
Ask
Explain the $55 wallCompare MPLX vs OXYAlert me before earnings