How are executions allocated when an order receives a partial fill because an insufficient quantity is available to complete the allocation of shares/contracts to sub-accounts?
Overview:
From time-to-time, one may experience an allocation order which is partially executed and is canceled prior to being completed (i.e. market closes, contract expires, halts due to news, prices move in an unfavorable direction, etc.). In such cases, IB determines which customers (who were originally included in the order group and/or profile) will receive the executed shares/contracts. The methodology used by IB to impartially determine who receives the shares/contacts in the event of a partial fill is described in this article.
Background:
Before placing an order CTAs and FAs are given the ability to predetermine the method by which an execution is to be allocated amongst client accounts. They can do so by first creating a group (i.e. ratio/percentage) or profile (i.e. specific amount) wherein a distinct number of shares/contracts are specified per client account (i.e. pre-trade allocation). These amounts can be prearranged based on certain account values including the clients’ Net Liquidation Total, Available Equity, etc., or indicated prior to the order execution using Ratios, Percentages, etc. Each group and/or profile is generally created with the assumption that the order will be executed in full. However, as we will see, this is not always the case. Therefore, we are providing examples that describe and demonstrate the process used to allocate partial executions with pre-defined groups and/or profiles and how the allocations are determined.
Here is the list of allocation methods with brief descriptions about how they work.
· AvailableEquity
Use sub account’ available equality value as ratio.
· NetLiq
Use subaccount’ net liquidation value as ratio
· EqualQuantity
Same ratio for each account
· PctChange1:Portion of the allocation logic is in Trader Workstation (the initial calculation of the desired quantities per account).
· Profile
The ratio is prescribed by the user
· Inline Profile
The ratio is prescribed by the user.
· Model1:
Roughly speaking, we use each account NLV in the model as the desired ratio. It is possible to dynamically add (invest) or remove (divest) accounts to/from a model, which can change allocation of the existing orders.
Basic Examples:
Details:
CTA/FA has 3-clients with a predefined profile titled “XYZ commodities” for orders of 50 contracts which (upon execution) are allocated as follows:
Account (A) = 25 contracts
Account (B) = 15 contracts
Account (C) = 10 contracts
Example #1:
CTA/FA creates a DAY order to buy 50 Sept 2016 XYZ future contracts and specifies “XYZ commodities” as the predefined allocation profile. Upon transmission at 10 am (ET) the order begins to execute2but in very small portions and over a very long period of time. At 2 pm (ET) the order is canceled prior to being executed in full. As a result, only a portion of the order is filled (i.e., 7 of the 50 contracts are filled or 14%). For each account the system initially allocates by rounding fractional amounts down to whole numbers:
Account (A) = 14% of 25 = 3.5 rounded down to 3
Account (B) = 14% of 15 = 2.1 rounded down to 2
Account (C) = 14% of 10 = 1.4 rounded down to 1
To Summarize:
A: initially receives 3 contracts, which is 3/25 of desired (fill ratio = 0.12)
B: initially receives 2 contracts, which is 2/15 of desired (fill ratio = 0.134)
C: initially receives 1 contract, which is 1/10 of desired (fill ratio = 0.10)
The system then allocates the next (and final) contract to an account with the smallest ratio (i.e. Account C which currently has a ratio of 0.10).
A: final allocation of 3 contracts, which is 3/25 of desired (fill ratio = 0.12)
B: final allocation of 2 contracts, which is 2/15 of desired (fill ratio = 0.134)
C: final allocation of 2 contract, which is 2/10 of desired (fill ratio = 0.20)
The execution(s) received have now been allocated in full.
Example #2:
CTA/FA creates a DAY order to buy 50 Sept 2016 XYZ future contracts and specifies “XYZ commodities” as the predefined allocation profile. Upon transmission at 11 am (ET) the order begins to be filled3 but in very small portions and over a very long period of time. At 1 pm (ET) the order is canceled prior being executed in full. As a result, only a portion of the order is executed (i.e., 5 of the 50 contracts are filled or 10%).For each account, the system initially allocates by rounding fractional amounts down to whole numbers:
Account (A) = 10% of 25 = 2.5 rounded down to 2
Account (B) = 10% of 15 = 1.5 rounded down to 1
Account (C) = 10% of 10 = 1 (no rounding necessary)
To Summarize:
A: initially receives 2 contracts, which is 2/25 of desired (fill ratio = 0.08)
B: initially receives 1 contract, which is 1/15 of desired (fill ratio = 0.067)
C: initially receives 1 contract, which is 1/10 of desired (fill ratio = 0.10)
The system then allocates the next (and final) contract to an account with the smallest ratio (i.e. to Account B which currently has a ratio of 0.067).
A: final allocation of 2 contracts, which is 2/25 of desired (fill ratio = 0.08)
B: final allocation of 2 contracts, which is 2/15 of desired (fill ratio = 0.134)
C: final allocation of 1 contract, which is 1/10 of desired (fill ratio = 0.10)
The execution(s) received have now been allocated in full.
Example #3:
CTA/FA creates a DAY order to buy 50 Sept 2016 XYZ future contracts and specifies “XYZ commodities” as the predefined allocation profile. Upon transmission at 11 am (ET) the order begins to be executed2 but in very small portions and over a very long period of time. At 12 pm (ET) the order is canceled prior to being executed in full. As a result, only a portion of the order is filled (i.e., 3 of the 50 contracts are filled or 6%). Normally the system initially allocates by rounding fractional amounts down to whole numbers, however for a fill size of less than 4 shares/contracts, IB first allocates based on the following random allocation methodology.
In this case, since the fill size is 3, we skip the rounding fractional amounts down.
For the first share/contract, all A, B and C have the same initial fill ratio and fill quantity, so we randomly pick an account and allocate this share/contract. The system randomly chose account A for allocation of the first share/contract.
To Summarize3:
A: initially receives 1 contract, which is 1/25 of desired (fill ratio = 0.04)
B: initially receives 0 contracts, which is 0/15 of desired (fill ratio = 0.00)
C: initially receives 0 contracts, which is 0/10 of desired (fill ratio = 0.00)
Next, the system will perform a random allocation amongst the remaining accounts (in this case accounts B & C, each with an equal probability) to determine who will receive the next share/contract.
The system randomly chose account B for allocation of the second share/contract.
A: 1 contract, which is 1/25 of desired (fill ratio = 0.04)
B: 1 contract, which is 1/15 of desired (fill ratio = 0.067)
C: 0 contracts, which is 0/10 of desired (fill ratio = 0.00)
The system then allocates the final [3] share/contract to an account(s) with the smallest ratio (i.e. Account C which currently has a ratio of 0.00).
A: final allocation of 1 contract, which is 1/25 of desired (fill ratio = 0.04)
B: final allocation of 1 contract, which is 1/15 of desired (fill ratio = 0.067)
C: final allocation of 1 contract, which is 1/10 of desired (fill ratio = 0.10)
The execution(s) received have now been allocated in full.
Available allocation Flags
Besides the allocation methods above, user can choose the following flags, which also influence the allocation:
· Strict per-account allocation.
For the initially submitted order if one or more subaccounts are rejected by the credit checking, we reject the whole order.
· “Close positions first”1.This is the default handling mode for all orders which close a position (whether or not they are also opening position on the other side or not). The calculation are slightly different and ensure that we do not start opening position for one account if another account still has a position to close, except in few more complex cases.
Other factor affects allocations:
1) Mutual Fund: the allocation has two steps. The first execution report is received before market open. We allocate based onMonetaryValue for buy order and MonetaryValueShares for sell order. Later, when second execution report which has the NetAssetValue comes, we do the final allocation based on first allocation report.
2) Allocate in Lot Size: if a user chooses (thru account config) to prefer whole-lot allocations for stocks, the calculations are more complex and will be described in the next version of this document.
3) Combo allocation1: we allocate combo trades as a unit, resulting in slightly different calculations.
4) Long/short split1: applied to orders for stocks, warrants or structured products. When allocating long sell orders, we only allocate to accounts which have long position: resulting in calculations being more complex.
5) For non-guaranteed smart combo: we do allocation by each leg instead of combo.
6) In case of trade bust or correction1: the allocations are adjusted using more complex logic.
7) Account exclusion1: Some subaccounts could be excluded from allocation for the following reasons, no trading permission, employee restriction, broker restriction, RejectIfOpening, prop account restrictions, dynamic size violation, MoneyMarketRules restriction for mutual fund. We do not allocate to excluded accountsand we cancel the order after other accounts are filled. In case of partial restriction (e.g. account is permitted to close but not to open, or account has enough excess liquidity only for a portion of the desired position).
Footnotes:
IB provides a feature which allows account holders to check what impact, if any, an order will have upon the projected Exposure Fee. The feature is intended to be used prior to submitting the order to provide advance notice as to the fee and allow for changes to be made to the order prior to submission in order to minimize or eliminate the fee.
The feature is enabled by right-clicking on the order line at which point the Order Preview window will open. This window will contain a link titled "Check Exposure Fee Impact" (see red highlighted box in Exhibit I below).
Exhibit I
Clicking the link will expand the window and display the Exposure fee, if any, associated with the current positions, the change in the fee were the order to be executed, and the total resultant fee upon order execution (see red highlighted box in Exhibit II below). These balances are further broken down by the product classification to which the fee applies (e.g. Equity, Oil). Account holders may simply close the window without transmitting the order if the fee impact is determined to be excessive.
Exhibit II
Please see KB2275 for information regarding the use of IB's Risk Navigator for managing and projecting the Exposure Fee and KB2344 for monitoring fees through the Account Window
Important Notes
1. The Estimated Next Exposure Fee is a projection based upon readily available information. As the fee calculation is based upon information (e.g., prices and implied volatility factors) available only after the close, the actual fee may differ from that of the projection.
2. The Check Exposure Fee Impact is only available for accounts that have been charged an exposure fee in the last 30 days
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Introduction
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Tools provided to monitor and manage margin
How to determine if you are borrowing funds from IBKR
Why does IBKR calculate and report a margin requirement when I am not borrowing funds?
As a U.S. broker-dealer registered with the Securities & Exchange Commission (SEC) for the purpose of facilitating customer securities transactions, IB LLC is subject to various regulations relating to the extension of credit and margining of those transactions. In the case of foreign equity securities (i.e., non-U.S. issuer), Reg T. allows a U.S. broker to extend margin credit to those which either appear on the Federal Reserve Board's periodically published List of Foreign Margin Stocks, or are deemed to have a have a "ready market" under SEC Rule 15c3-1 or SEC no-action letter.
Prior to November 2012, "ready market" was deemed to include equity securities of a foreign issuer that are listed on what is now known as the FTSE World Index. This definition was based upon a 1993 SEC no-action letter and was premised upon the fact that, while there may not have been a ready market for such securities within the U.S., the securities could be readily resold in the applicable foreign market. In November of 2012, the SEC issued a follow-up no-action letter (www.sec.gov/divisions/marketreg/mr-noaction/2012/finra-112812.pdf) which expanded the population of foreign equity securities deemed to have a ready market to also include those not listed on the FTSE World Index provided that the following four conditions are met:
1. The security is listed on a foreign exchange located within a FTSE World Index recognized country, where the security has been trading on the exchange for at least 90 days;
2. Daily bid, ask and last quotations for the security as provided by the foreign listing exchange are made continuously available to the U.S. broker through an electronic quote system;
3. The median daily trading volume calculated over the preceding 20 business day period of the security on its listing exchange is either at least 100,000 shares or $500,000 (excluding shares purchased by the computing broker);
4. The aggregate unrestricted market capitalization in shares of the security exceed $500 million over each of the preceding 10 business days.
Note: if a security previously meeting the above conditions no longer does so, the broker is provided with a 5 business day window after which time the security will no longer be deemed readily marketable and must be treated as non-marginable.
Foreign equity securities which do not meet the above conditions, will be treated as non-marginable and will therefore have no loan value. Note that for purposes of this no-action letter foreign equity securities do not include options.
Below is a listing of some of the more commonly used margin terms:
Equity with Loan Value (ELV) – Forms the basis for determining whether a client has the necessary assets to either initiate or maintain security positions. Equals cash + stock value + bond value + mutual fund value + European and Asian options value (excludes market value U.S. securities & futures options and cash maintained in futures segment).
IBKR's margin compliance policy does not allow for transfers or other deposits if there is a margin violation/deficit in the account. In the case of a margin violation/deficit, the account in deficit is immediately subject to liquidation. Automated liquidations are accomplished with market orders, and any/all positions in the account can be liquidated. There are cases where, due to specific market conditions, a deficit is better addressed via a manual liquidation.
Funds deposited or wired into the account are not taken into consideration from a risk standpoint until those funds have cleared all the appropriate funds and banking channels and are officially in the account. The liquidation system is automated and programmed to act immediately if there is a margin violation/deficit.
Note for Prime Clients: Executing away is not a means to resolve real time deficits as away trades will not be taken into consideration for beneficial margin purposes until 9 pm ET on Trade Date or when the trades have been reported and matched with external confirms, whichever is later. Trading away for expiring options, on expiration day, is also discouraged due to the potential for late or inaccurate reporting which can lead to erroneous margin calculations or incorrect exercise and assignment activity. Clients who wish to trade expiring options on expiration day and away from IB, must load their FTP file no later than 2:50 pm ET, and do so at their own risk.
There are many different formulas used to calculate the margin requirement on options. Which formula is used will depend on the option type or strategy determined by the system. There are a significant number of detailed formulas that are applied to various strategies. To find this information go to the IBKR home page at www.interactivebrokers.com. Go to the Trading menu and click on Margin. From the Margin Requirements page, click on the Options tab. There is a table on this page which will list all possible strategies, and the various formulas used to calculate margin on each.
The information above applies to equity options and index options. Options on futures employ an entirely different method known as SPAN margining. For information on SPAN margining, conduct a search on this page for “SPAN” or “Futures options margin”.
When an account holder sells a marginable security, it will typically increase their SMA by 50% of the value of the security sold.