OCC’s September 10, 2026 memo 59737 restores NSCC settlement for Docebo option exercise and assignment activity from that date onward. Existing obligations generated from August 21 through September 9 remain broker to broker. The deliverable continues to be 100 Docebo common shares per contract.
The practical distinction is between a new transaction and an outstanding obligation. A notice about restored eligibility is not a receipt showing that an earlier delivery has been completed. For a trader reviewing an account, those are different pieces of evidence and should be checked separately.
Two dates, two settlement paths
The new memo follows OCC memo 59626, issued August 21. That earlier notice moved DCBO exercises and assignments out of NSCC settlement and into direct settlement between clearing members. It did not impose an exercise restriction. It also provided special handling when a delivering member could not deliver shares on the designated settlement date.
Under that framework, members had to coordinate settlement, notify OCC when delivery was impossible, and report completion. OCC said it would continue to margin the activity until settlement. The earlier notice allowed for subsequent OCC determinations about alternative settlement methods; it did not promise that every delayed delivery would automatically become a cash payment.
The distinction matters when reading historical account messages. A status recorded during a disruption should be reconciled against evidence of what happened to that obligation, rather than interpreted solely from today’s symbol eligibility. Where a broker reports an unresolved delivery, the relevant follow-up is its transaction reference and current settlement status.
What Continuous Net Settlement does
Continuous Net Settlement, or CNS, is NSCC’s central netting system. DTCC explains that eligible transactions are consolidated into daily positions by security and member. NSCC becomes the counterparty through novation, with its trade guarantee applying after the required validation and acceptance checks. Securities transfers use DTC’s book-entry infrastructure.
This reduces the number of separate deliveries that members need to coordinate. It also provides centralized records and processes for open positions. These are clearing-system functions: an individual investor does not manually submit a retail option position into CNS.
Centralized settlement should therefore be understood as a processing arrangement, not as a forecast of a company’s business or share price. Nor does a general description of the service establish that a particular account has received shares, released collateral, or completed a pending cash movement. Those are account-level observations that require the broker’s records.
Why It Matters For Options Traders
Exercise converts an option right into the contractual purchase or sale of shares. Assignment places the corresponding obligation on an option writer. A trader can correctly understand a stock’s direction while overlooking what must happen after an option is exercised. The site’s guide to expiration, assignment and exercise explains this transition.
For a simple educational example, one unadjusted 100-share call at a hypothetical $20 strike involves a $2,000 exercise payment, excluding fees and the premium already paid. Ten such contracts involve 1,000 shares and a $20,000 payment. These figures illustrate contractual scale; they are not actual DCBO strikes, prices, holdings or suggested trades. A small-looking option premium does not describe the size of a resulting stock transaction.

The distinction is also useful for a multi-leg position. A strategy label is a summary of an intended payoff, while each leg remains a separate contract. An account review can identify the option series, quantity, exercise or assignment reference, share movement and cash movement associated with each leg. Matching those records helps avoid confusing a position that has disappeared from an options screen with one whose resulting obligations have finished settling.
Exercise instructions still require attention
The Options Industry Council explains that American-style options can be exercised before expiration. The holder sends instructions through the broker, and the broker has its own deadline. OCC assigns exercise notices to clearing members; the member then allocates assignment under its customer procedures.
This means an investor should distinguish a request submitted to a broker from confirmation that it was accepted for the intended day. A broker’s cutoff and handling process are relevant operational facts. The calendar date printed on a news article cannot establish whether a particular instruction met that cutoff.
OIC also notes that broker practices can differ on selling shares after exercising a call. Some accounts may be able to sell immediately, while others may need to wait for settlement. Cash or stock resources and account permissions can affect what the broker permits. A change in the central settlement route does not substitute for checking these account-specific arrangements.
Common misunderstandings and caveats
Settlement information is not an option valuation model. An option’s premium depends on the stock price, strike, time remaining, volatility and other inputs. Delta describes sensitivity to the underlying, while time decay and changes in implied volatility can offset a favorable stock move. The options Greeks guide provides background.
No synchronized option-chain observations accompany this article. It therefore makes no claim that DCBO spreads narrowed, implied volatility fell, share borrowing became easier, or market prices incorporated the notice in a particular way. Those would require separately timestamped evidence.
A useful reading order is to establish the contract, identify the relevant activity date, and then reconcile the resulting delivery and payment. If records conflict, the unresolved item is a concrete question for the carrying broker, with the transaction reference attached. General descriptions of normal processing cannot resolve an individual discrepancy.
This is not financial advice. Options trading involves risk and is not suitable for all investors. Assignment, funding requirements and incomplete settlement can affect an account independently of whether an option trade appeared profitable. Review the site’s risk disclosure for broader context.
Sources
OCC Information Memo 59737, September 10, 2026, Docebo settlement update:
https://infomemo.theocc.com/infomemos?number=59737
OCC Information Memo 59626, August 21, 2026, Docebo broker-to-broker settlement and exercise considerations:
https://infomemo.theocc.com/infomemos?number=59626
DTCC, Continuous Net Settlement:
https://www.dtcc.com/products-and-services/clearing-settlement-services/equities-clearing/cns
Options Industry Council, Exercising Options:
https://www.optionseducation.org/optionsoverview/exercising-options
Options Industry Council, Options Exercise FAQ:
https://www.optionseducation.org/referencelibrary/faq/options-exercise
Options Industry Council, Option Price Behavior:
https://www.optionseducation.org/referencelibrary/faq/option-price-behavior





