market-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-on-an-investment-basis?date_from=2024-01-01&date_to=2024-12-31&fmt=json

Ultra-long U.S.

Ultra-long U.S. government bond yield representing 30-year borrowing costs. Most sensitive to long-run inflation expectations and fiscal concerns. Used for duration analysis and pension/insurance liability matching. Daily frequency.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.005 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x22f7e951…8c425b3a

URL

https://stationfx.com/economic-data/interest-rates/market-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-on-an-investment-basis?date_from=2024-01-01&date_to=2024-12-31&fmt=json

Seen

first 11 days ago · last 10 hr ago

19 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.619 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held back by sample size, not by the seller · gap to 1.000 is 0.381: 0.242 uncertain ? + 0.139 short ? · 0.031 to C

How the composite of 0.619 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.91	0.504		0.302	−0.056	−0.242
latency p95 it answered as fast as its class	0.20	0.59	0.586		0.117	−0.083	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.619	gap to 1.000 = 0.381 · 0.139 short · 0.242 uncertain	0.619	−0.139	−0.242

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.600 × 0.504   liveness       
+ 0.200 × 0.586   latency p95    
+ 0.200 × 1.000   price stability
= 0.619           → UNRATED: 18 of 30 paid calls      weights 2026.09.6 · 18 samples · seed cap_01M36CPE934G7D3SB0WST2ZGWB|2026-09-03T16:29:31.861Z|2026.09.6

Verify it yourself

npx teppi-check https://stationfx.com/economic-data/interest-rates/market-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-on-an-investment-basis?date_from=2024-01-01&date_to=2024-12-31&fmt=json

curl -s https://api.teppi.xyz/v1/trust/cap_01M36CPE934G7D3SB0WST2ZGWB