The lost assumption
Traditional market risk frameworks contain a hidden assumption: a daily close exists at which positions are marked, valuations are crystallised, margin calls are issued, and tomorrow's exposure is reasoned about as a separable object. The close is the point at which risk becomes, temporarily, discrete. Saturday and Sunday are the other side of that assumption — a window in which nothing material can happen because no one can trade.
Digital asset markets invalidate both halves. Spot venues trade continuously. The funding mechanism on the derivatives side settles several times per day. Price moves large enough to trigger margin calls can and do occur at 03:00 UTC on a Sunday. There is no structural pause in which a human team can catch up.
What this changes in practice
The operational implications fall into four categories.
- Monitoring. A position book that can move materially at any hour requires an always-on monitoring layer. This is not a dashboard that a portfolio manager checks in the morning — it is a supervisory process that has to detect, classify and route events in real time, without human presence.
- Limits. Pre-trade limits must be enforced at the venue/API level, not reconciled after the fact. End-of-day limit checks are meaningless when there is no end of day. A breach that happens on Saturday and is only caught Monday is effectively an unmonitored breach for the entire weekend.
- Incident response. A venue outage, a wallet policy change, a sudden liquidity dislocation — these demand a response inside minutes, not hours. The incident-response process has to be written down, rehearsed, and executable by the on-call team without a portfolio manager in the loop.
- Valuation. Marking positions once per day at a convenient European close, using a single venue's last price, becomes an increasingly fragile approximation. A more defensible approach uses multi-venue, time-weighted reference prices, with explicit policies for the stress cases.
What a credible 24/7 risk stack looks like
We separate three tiers, each with its own operating rhythm.
Tier one — pre-trade. Hard limits enforced at the venue-integration layer. Position size, venue concentration, instrument concentration, and gross/net exposure are validated before an order is released. A rejected order never reaches the venue. This tier requires no human presence.
Tier two — real-time supervision. A monitoring layer consumes live positions, venue health signals, and market data, and compares them against a policy set. Deviations produce prioritised events. Low-severity events queue for the next business day. High-severity events page the on-call. This tier is designed to run unattended but to escalate cleanly.
Tier three — daily review. A research and risk committee reviews the prior 24 hours on a human cadence. Every severity-two or above event is reviewed, classified, and either closed or converted into a remediation action. This is the tier that retains institutional memory.
What institutional investors should ask
For professional investors evaluating a digital asset manager, a useful set of questions sits underneath the glossy pitch-book:
- Which limits are enforced pre-trade versus post-trade?
- What is the on-call structure outside European business hours?
- What is the documented response time for a venue incident, and when was it last rehearsed?
- How are weekend and public-holiday incidents reviewed? By whom, and on what timeline?
- Which valuation sources are used, how are they combined, and what is the policy when a primary source is unavailable?
The answers distinguish a manager that has internalised the continuous-market structure from one that is still running a weekday process with a crypto veneer.
Closing thought
The absence of a market close is the single most underestimated structural feature of digital asset investing. The compensating structure — a genuinely continuous risk framework — is not exotic. It is simply the translation of traditional institutional discipline into a market that does not stop. Firms that have already done that translation tend to become easier, not harder, to underwrite.
Continue the conversation.
We are happy to walk professional investors through our risk-governance stack in detail.