SherpaBonds
US461070AR57 · Corp · USD

Interstate Power And Light Co 3.50% 2049/09

Interstate Power And Light CoUnited StatesUS DOMESTICSenior Unsecured
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MID PRICE
69.41
par = 100
YIELD TO MAT.
5.96%
semi-annual
COUPON
3.500%
semi-annual · fixed
MATURITY
2049-09-30
bullet · 23.41y
OUTSTANDING
—
not disclosed
AS OF
2026-04-30
Fund disclosure

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Risk analytics

SEMI-ANNUAL · BULLET · PAR 100
Modified duration
14.01 y
1bp ↑ ≈ -0.140% P&L
Convexity
271.85
higher = more curvature
Years to maturity
23.41 y
YTM source
Ingested
Fund disclosure
Market signals · funds disclosing this bond
SignalCategoryExposureLast moveWeightAs of
Vanguard Long-Term Corporate Bond
Vanguard
US Corporate Long$1.6M—0.02%2026-03-31
Vanguard Total Bond Market
Vanguard
US Aggregate$1.3M—0.00%2026-03-31
iShares Core U.S. Aggregate Bond
iShares
US Aggregate$1.2M▼ $7990.00%2026-04-30
iShares Broad USD Investment Grade Corporate Bond
iShares
US Broad IG Corporate$548K▼ $1K0.00%2026-04-30
iShares USD Green Bond
iShares
USD Green Bonds$366K▼ $2480.08%2026-04-30
SPDR Portfolio Aggregate Bond
SPDR
US Aggregate$116K▼ $960.00%2026-04-30
SPDR Portfolio Long Term Corporate Bond
SPDR
US IG Corporate Long$41K▼ $340.00%2026-04-30
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Price history

Sherpa Signal

AS OF 2026-04-30

Institutional footprint · signal-level holdings

41/ 100Active coverage
Interpretation. Light institutional footprint, holding
HOLDERS
7
unchanged in 7d
AGGREGATE EXPOSURE
$5.2M
USD across all
TOP CONCENTRATION
30.8%
largest holder
FLOW
▼ $26K
unchanged 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
69,412 USD
PRICE
69.41

RFQ routing · coming soon

Security details

VIA OPENFIGI
Canonical
LNT 3 1/2 09/30/49
FIGI
BBG00QB1TJ86
CUSIP
461070AR5
ISIN
US461070AR57
Type
Corp
Issued
2019-09-26
Face value
100 USD
Ticker
LNT 3.5 09/30/49
Sec. type
US DOMESTIC
Seniority
Senior Unsecured

Issuer curve

LNT · 10 PTS

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

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