BRK.Bx

Terms

What is posted on chain right now, signed by the Kerb attester inside the contract guardrails.

Regime

Normal

Normal executable liquidity in the underlying's regular session.

Credit Mark

506.584023

band 501.4122 to 508.5131

Carry LTV

55.00%

The ceiling a position can be drawn to and still be safe to hold through the next weakening.

Session Max LTV

60.00%

Only available while the session holds, and only with the cure covenant attached.

Debt ceiling

12,750.25

In USDG, the total debt this asset may support.

Executable depth at 1%

17,000.34

The notional that can be sold into the real pools for at most 1% impact, in USDG.

Usable for new risk

yes

Posted 2026-09-21 08:45 UTC, 6m 39s ago. transaction

Input bundle

0x4372007e…0b0fd97f

The keccak256 of the canonical inputs, posted on chain with the report. Every number above is computed from these exact bytes, served by the Kerb API. This one is not on IPFS: pinning is being refused right now, and that is reported on the proof page rather than hidden. Recompute them yourself: pnpm --filter @kerb/engine kerb verify 0x4372007edb7449ec5e9d759e569f08e74e2814476ded872cc24f9e580b0fd97f

Executable depth

Simulated by walking the real pool tick by tick, in the direction of a sale, from the pool state Kerb observed. Not an aggregator estimate.

Aggregate depth

17,000.34 at 1%

C(0.5%) 8,012.33 · C(3%) 51,720.69 · fragmentation factor 1 applied across eligible venues.

Cross-check

17,000.34

simulated 17,000.34 against okx-dex:v6-quote 17,075.50, a difference of 0.440%

The tick-walk and the independent aggregator quote agree within the configured maximum.

How the Credit Mark was made

The conservative minimum of the reference median and the pool price, after the dispersion guard and the regime haircut. Every component names its sources.

Reference

510.047500

Sources used: xstocks:price-data, yahoo:chart:BRK-B

Pool

508.513150

Time-weighted average over 900s along 0x34Fa…A507

Dispersion

0.301%

Within the guard.

Regime haircut

0.400%

Credit Mark

506.476999

Band 501.412229 to 508.513150. USDG is treated as 1 USD; the USDG peg is observed separately and reported

Next transitions

Resolved from the Kerb calendar, kerb-calendar@0.1.0 (2025-12-01..2027-12-31). The onchain KerbClock is equivalence-tested against this same resolver.

Session now

PRE

XNYS · America/New_York · since 2026-09-21 08:00 UTC

Next transition

session open

2026-09-21 13:30 UTC · in 4h 37m

Next weakening

session close

2026-09-21 20:00 UTC

The deadline a Session Max position must cure by.

Last Call window

closed

2026-09-21 19:00 UTC to 2026-09-21 20:00 UTC · 1h 00m long

Terms history

Every post Kerb has made for this asset, newest first, each one a transaction.

Scroll the table sideways for capacity and the transaction.