SherpaBonds
US960413BC50 · Corp · USDInvestment Grade · BBB

Westlake Corp 6.38% 2055/11

Westlake CorpUnited StatesGLOBALSenior Unsecured
SHARE
▶ Start radio
MID PRICE
98.60
par = 100
YIELD TO MAT.
6.48%
semi-annual
COUPON
6.380%
semi-annual · fixed
MATURITY
2055-11-15
bullet · 29.52y
OUTSTANDING
—
not disclosed
AS OF
2026-05-07

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Risk analytics

SEMI-ANNUAL · BULLET · PAR 100
Modified duration
12.73 y
1bp ↑ ≈ -0.127% P&L
Convexity
262.67
higher = more curvature
Years to maturity
29.52 y
YTM source
Ingested
Market signals · funds disclosing this bond
SignalCategoryExposureLast moveWeightAs of
Vanguard Total Bond Market
Vanguard
US Aggregate$20.1M—0.01%2026-03-31
iShares Core U.S. Aggregate Bond
iShares
US Aggregate$2.2M▼ $15K0.00%2026-05-07
Vanguard Long-Term Bond
Vanguard
US Aggregate Long$1.6M—0.02%2026-03-31
iShares Broad USD Investment Grade Corporate Bond
iShares
US Broad IG Corporate$906K▼ $7K0.01%2026-05-07
Vanguard Long-Term Corporate Bond
Vanguard
US Corporate Long$901K—0.01%2026-03-31
iShares 10+ Year Investment Grade Corporate Bond
iShares
US IG Corporate$575K▼ $4K0.02%2026-05-07
iShares Core Universal USD Bond
iShares
US Aggregate$514K▼ $3K0.00%2026-05-07
SPDR Portfolio Aggregate Bond
SPDR
US Aggregate$494K▼ $3100.01%2026-05-05
SPDR Portfolio Long Term Corporate Bond
SPDR
US IG Corporate Long$464K▲ $19K0.04%2026-05-05
SPDR Portfolio Corporate Bond
SPDR
US IG Corporate$247K▼ $1550.01%2026-05-05
iShares Core 10+ Year USD Bond
iShares
US Aggregate$41K▼ $2760.01%2026-05-07
iShares Interest Rate Hedged Long-Term Corporate Bond
iShares
US IG Corporate Hedged$34K▼ $2660.02%2026-05-07
iShares BBB Rated Corporate Bond
iShares
US IG Corporate$15K▼ $1150.03%2026-05-07
iShares Interest Rate Hedged U.S. Aggregate Bond
iShares
US Aggregate$78—0.00%2026-05-07
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Price history

Sherpa Signal

AS OF 2026-05-07

Institutional footprint · signal-level holdings

46/ 100Active coverage
Interpretation. Light institutional footprint, holding
HOLDERS
14
▲ 3 signals in 7d
AGGREGATE EXPOSURE
$28.0M
USD across all
TOP CONCENTRATION
71.6%
largest holder
FLOW
▲ $21K
▲ 3 signals in 7d

Sherpa Signal is derived from a panel of tracked institutional portfolios. Names of individual holders are not disclosed.

100K PAR NOTIONAL · MARKET VALUE
98,600 USD
PRICE
98.60

RFQ routing · coming soon

Security details

VIA OPENFIGI
Canonical
WLK 6 3/8 11/15/55
FIGI
BBG01YC0MC54
CUSIP
960413BC5
ISIN
US960413BC50
Type
Corp
Issued
2025-11-06
Face value
100 USD
Ticker
WLK 6.375 11/15/55
Sec. type
GLOBAL
Seniority
Senior Unsecured

Issuer curve

WLK · 9 PTS

Yield (%) plotted against years-to-maturity. This bond highlighted in amber.

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