Rollover & basis
What is the impact of a negative futures price event (e.g., April 2020 CL) on clearinghouse structural software logic?
By Easy Money Scanner · Educational reference · Not investment advice
The short answer
The April 20, 2020 negative settlement of the expiring NYMEX May WTI crude oil futures contract (-$37.63/barrel) exposed risk-system and software assumptions at some brokers and vendors that had not been built to handle negative futures prices, contributing to processing failures and disputed client losses.
How it works
CFTC staff's interim report found the negative settlement stemmed from a confluence of collapsing demand, near-full storage at the Cushing, Oklahoma delivery point, and a thin, illiquid order book in the final minutes of trading — not a single software glitch at the exchange. Separately, some retail brokers' risk engines could not process negative prices, resulting in client account losses exceeding deposited funds and subsequent regulatory and legal scrutiny of broker risk controls.
An example
The May 2020 WTI contract settled at -$37.63/barrel on April 20, 2020, after trading as low as -$40.32.
Risk & limitations
Extreme events can exceed even clearinghouse and broker risk-system assumptions; the CFTC report is an interim staff report, not a final enforcement finding.
Examples are hypothetical, not trade recommendations. US contract and regulatory references do not automatically apply in Canada. Rules, margin requirements and broker policies can change; confirm them with the relevant authority and your broker.