
Getting started with shorting at IBKR requires a solid understanding of the platform's features and risks.
IBKR offers a variety of tools and resources to help you get started, including a demo account and a comprehensive guide to shorting.
To begin, you'll need to fund your account and familiarize yourself with the trading interface.
Shorting involves selling a security you don't own, with the expectation of buying it back at a lower price to realize a profit.
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How to Get Started Short-Selling
To get started with short-selling on IBKR, you'll need a margin account. A margin account is a prerequisite to entering short-selling orders because you'll need to borrow stock with a potential for unlimited loss.
You can upgrade your account to a margin account by going to Interactive Brokers' client portal, selecting the settings tab, and then the account settings option. This will allow you to request the account change, which will then go under review to be approved by the Compliance Officer before a change is made.
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To check whether a stock is shortable, you can use Interactive Brokers' Trading Workstation (TWS) or IBKR's Short Stock Availability tool. These tools will show you the amount available, the current borrowing rate, and the number of lenders.
If you're new to short-selling, it's essential to have the right broker and tools in place. IBKR's Short Stock Availability tool is a self-service, electronic one that updates throughout the day to show real-time availability.
To short a stock, you'll first need to sell the shares at their current price, earning cash in the process. For example, if you sell 20 borrowed shares of ABC stock at $50 each, you'll earn $1,000 in cash.
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Understanding Short Selling
Short selling can be a harsh environment for beginners, as the potential downside is unlimited. This means that if the stock you owe explodes in price, your debt can go up indefinitely.
The key to navigating short selling is to be set up properly, with the right broker and tools. This will help you make more informed decisions and increase your chances of success.
Short selling poses a significant risk, and it's not recommended for beginners. In fact, it's suggested that short selling should be left to more experienced traders.
Short-Selling Impact on the Market
Short-selling plays an important role in the liquidity of the stock market. If a stock is believed to be overvalued, a short-seller may sell the stock to bring its value down.
Short-selling creates higher liquidity, giving short-term traders and day traders more opportunities. This can result in better bid/offer spreads that bring down overall costs.
Short-selling increases capital and reduces the likelihood of recessions by bringing the asset back to its real value in the market.
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Check Stock Shortability
You can search for shortable stocks using Interactive Brokers' (IBKR) Short Stock Availability tool, which provides real-time availability and lets you view historical borrow rates and search by groups like exchange or symbol.
IBKR's tool is easily accessible and allows you to see the amount available, the current borrowing rate, and the number of lenders for each shortable stock.
You can also check whether a stock is shortable on TWS by selecting the country where the stock is listed, which will display a list of available shorted stocks.
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If there are too many stocks to display, they will be grouped together for easier viewing.
To search for a specific stock, you can use the search box to look for the product description, currency of denomination, and the number of shares open for borrowing.
Here's a quick rundown of what you can do with Interactive Brokers' tools:
- Search for shortable stocks with IBKR's Short Stock Availability tool
- Check if a stock is shortable on TWS
- View historical borrow rates and search by groups like exchange or symbol
- Use the search box to look for a specific stock by product description, currency of denomination, and number of shares open for borrowing
Short Selling Strategies
Short selling can be very harsh towards beginners, so it's crucial that you're set up properly with the right broker and tools before investing.
As a beginner, you should be aware that the potential downside of short selling is unlimited, and you owe someone shares up until the moment you cash in.
Short selling should be left to more experienced traders, who can make more informed decisions and strategize for success.
To set yourself up for a greater chance of success, you can use strategies like those mentioned in the article, but it's essential to understand the potential risks involved.
Short selling poses the potential for unlimited loss, so it's vital to have the right tools and knowledge before investing.
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Beware Risks
Selling a stock short can be a tricky business, and it's essential to be aware of the potential risks involved. Unlimited losses are a possibility when short-selling, as there's no limit on how high a stock price can rise.
If you're planning to short-sell, you should know that shares loaned for this purpose are generally used and may not be protected by SIPC, which is why IBKR provides you with cash collateral equal to the value of your shares in case you don't get them back.
The loan rates and interest you receive can change regularly, sometimes by as much as 50% or more, which can impact your profits.
Short-sellers can't just buy back the stock whenever they want at a suitable price because the market might not be there for that stock. This can lead to a situation where you're forced to sell at a higher price, resulting in a huge loss.
Here are some potential risks to consider:
- Unlimited losses due to the stock price rising
- Shares loaned may not be protected by SIPC
- Loan rates and interest can change frequently
- Market volatility can make it difficult to buy back the stock
Interactive Brokers Short Selling
Interactive Brokers offers a range of tools to facilitate short selling, including the Securities Loan Borrow (SLB) system, which provides real-time availability of shortable securities.
The SLB system allows clients to search for shortable securities by symbol, exchange, ISIN or CUSIP number, and even credit rating for bonds. You can also upload a bulk request text file to search for multiple shortable securities at once.
To get started with short selling on Interactive Brokers, you'll need to open an account and fund it with the desired amount of capital. Once you're logged in, navigate to the trading platform and search for the cryptocurrency you want to short. From there, you can select the 'short' option and specify the amount you want to short, as well as set your stop-loss and take-profit levels.
Here are the steps to short sell a cryptocurrency on Interactive Brokers:
- Open an account with Interactive Brokers if you haven't already.
- Fund your account with the desired amount of capital.
- Navigate to the trading platform and search for the cryptocurrency you want to short.
- Once you've found the cryptocurrency, select the 'short' option.
- Specify the amount you want to short and set your stop-loss and take-profit levels.
- Review your order details and confirm the trade.
- Monitor your position and manage it accordingly.
Keep in mind that short selling on Interactive Brokers is subject to approval by the firm, and not all US stocks may be eligible for short selling due to DTC continuous net settlement requirements.
Interactive Brokers: For Seasoned Traders
Interactive Brokers is a great platform for seasoned traders who want to short cryptocurrencies. You can open an account with Interactive Brokers if you haven't already.
To get started, you'll need to fund your account with the desired amount of capital. This can be done by depositing funds into your account.
Once you're funded, navigating to the trading platform and searching for the cryptocurrency you want to short is a straightforward process. You can do this by logging in to your Interactive Brokers account and going to the trading platform.
When selecting the 'short' option, specify the amount you want to short and set your desired stop-loss and take-profit levels. This will help you manage your risk and maximize your potential gains.
Here's a step-by-step guide to shorting cryptocurrencies using Interactive Brokers:
By following these steps, you can successfully short a cryptocurrency using Interactive Brokers.
Shorting ABC Shares
If you believe that the value of a stock is overvalued, you can sell it at the current price and hope to buy it back later for less to make a profit. This process is called shorting.
To short a stock, you'll need to borrow shares from your broker, which you'll then sell at the current market price. For example, if you sell 20 borrowed shares of ABC stock at $50 each, you'll earn $1,000 in cash.
However, you now have an obligation to re-buy the 20 shares of ABC stock and return them to your broker. If your stock increases to $100 per share, it would cost you $2,000 to buy back the 20 shares, resulting in a loss of $1,000.
On the other hand, if your shares decrease in value to $10, you'll make $800 in profit. Interactive Brokers' Securities Loan Borrow (SLB) system can help you search for availability of shortable securities, including bonds, by symbol, exchange, ISIN or CUSIP number, and credit rating.
Here's a summary of the steps involved in shorting a stock:
- Open an account with Interactive Brokers if you haven't already.
- Fund your account with the desired amount of capital.
- Navigate to the trading platform and search for the stock you want to short.
- Specify the amount you want to short and set your desired stop-loss and take-profit levels.
- Review your order details and confirm the trade.
Keep in mind that shorting stocks carries significant risks, and it's essential to understand the mechanics and potential consequences before entering into a short sale.
Short Selling Tools and Resources
IBKR offers a range of tools and resources to help you navigate short selling. You can use their Securities Loan Borrow (SLB) system, which provides real-time availability of shortable securities.
The SLB system allows you to view quantity available, number of lenders, and current indicative borrow rate, which is the rate at which dealers in the Securities Lending/Borrowing Market are willing to transact today. You can also view historical indicative borrow rates and search for shortable securities by symbol and exchange, ISIN or CUSIP number, or credit rating.
To make the most of IBKR's tools, it's essential to understand the basics of short selling. Short selling can be very harsh towards beginners, with unlimited potential downside. To get a head-start, you should be set up properly, have the right broker, and the right tools before you invest.
Here are some key features of IBKR's short selling tools:
Remember, all short sale orders are subject to approval by IBKR, and the availability of shortable securities is indicative only and subject to change.
Stock Loan Borrow Tool Pricing
The Stock Loan Borrow Tool is a handy feature at Interactive Brokers (IBKR) that helps you estimate the cost of borrowing stock before entering your order. This tool provides charted daily rate history, intraday time & sales of stock loan fees, and a bar graph of historical rates for 10 days prior.
IBKR's Stock Loan Borrow (SLB) rates tool is an automated tool that's very efficient and good to have in your arsenal. The firm will also provide indicative borrow rates when possible, which are the rates that the dealer in the Securities Lending/Borrowing Market are open to transacting.
You can expect to pay a borrow fee, as well as interest on short sale proceeds that you'll need to pay to IBKR. The borrow fee is determined by how much of the shares there are available to borrow and how in demand they are from other short-sellers.
Here's a breakdown of the costs you'll need to consider:
All transactions will be settled 3 business days after their execution, at which time you might find the borrow rates changing, which may be significantly.
Automated Tools

Automated Tools can make a big difference in your short selling strategy. IBKR's tools are designed to save you time and money.
The Stock Yield Enhancement Program lets you earn cash on fully-paid shares of stocks held in your account. This is a great way to maximize your returns.
The Short Stock Availability tool is a real-time search function that helps you find short stocks that are available. This is a game-changer for traders who need to short sell in a hurry.
IBKR's Pre-Borrow Program minimizes the chances of being bought-in on settlement dates. This program is a must-have for traders who want to avoid costly surprises.
The Pre-Borrow Program also provides FYI Notifications, which keep you informed about stock availability. This is a great feature for traders who need to stay on top of market changes.
Here are the automated tools provided by IBKR:
- Stock Yield Enhancement Program
- Short Stock Availability
- Pre-Borrow Program
- FYI Notifications
Short Selling Availability and Rates
You can search for shortable securities using IBKR's Securities Loan Borrow (SLB) system, which is a fully electronic, self-service utility that updates periodically throughout the day.
The system lets you view the quantity available, number of lenders, and current indicative borrow rate for a particular security. You can also view historical indicative borrow rates and search for shortable securities by symbol and exchange, ISIN or CUSIP number, or credit rating.
You can upload a bulk request text file to search for availability of multiple shortable securities at once, and download prepared lists of shortable securities grouped by country.
The availability list for bonds is indicative only and is subject to change, and all short sale orders are subject to approval by IBKR.
Availability Overview
IBKR's Trader Workstation allows you to see how many shares are available for shorting, in addition to interest rates charged on borrowed shares, and the Fed Funds rate at the time.
You can add the Shortable Shares, Fee Rate, and Rebate Rate columns to view this information.
The Short Stock Availability tool is a self-service, electronic one that notifies you when a security that you were looking to short becomes available.
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This tool is easily accessible and lets you search for shortable stocks in real-time.
IBKR does not accept short sale orders for US stocks that are not eligible for DTC continuous net settlement, and all short sale orders are subject to approval by IBKR.
The number of shortable stocks varies by country, with the United States having 17,535 shortable stocks, Canada having 2,549, and Mexico having 561.
Here's a breakdown of shortable stocks by country:
This information can help you locate securities that are difficult to borrow, while also protecting you from buy-ins and recalls.
Transparent Rates
Interactive Brokers offers transparent rates for their securities financing services, providing efficiency and competitive pricing for the stock loan and borrow markets. Their automated pricing tools and greater 'credit-worthiness' make them a reliable choice.
The firm uses a variety of high-quality sources to develop their prices, which are all visible in their automated securities financing tools. This transparency is invaluable for short traders who need to make informed decisions quickly.
Interactive Brokers shows the charted daily rate history and intraday time and sales of stock loan fees in their SLB rates window, giving users a clear picture of their costs. This level of transparency is rare in the industry.
IBKR charges a daily interest rate and posts actual interest monthly on the 3rd business day of the following month. This means you can plan your finances accordingly.
The firm offers low commissions on stock, options, futures, and forex, as well as a tiered pricing structure. For example, a balance over 1,000,000 is charged at the Tier I rate, with the subsequent 900,000 at the Tier II rate.
Options trades have no set base costs, and commissions will cost $0.69 per contract. This can add up, especially for frequent traders, so it's essential to keep track of your fees.
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Short Selling Pre-Borrow Program
Interactive Brokers offers a Pre-Borrow Program to help reduce the chances of being bought-in on settlement date.
You can join the Pre-Borrow Program as long as you have a Portfolio Margin account.
The Pre-Borrow Program allows you to pre-borrow shares if you think you might short-sell later using Interactive Brokers' Stock Borrow Loan feature.
This can help prevent a buy-in because it ensures that shares are available to short before you put on a short sale.
Without the Pre-Borrow Program, it's hard to know for sure if shares have been procured before the short sale settles.
Here are the requirements to join the Pre-Borrow Program:
- Have a Portfolio Margin account
- Pre-borrow stocks using the Stock Borrow Loan feature
By pre-borrowing shares, you can ensure that you have the necessary shares available to short before you put on a short sale, reducing the risk of a buy-in on settlement date.
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Short Selling Balance and Interest
When you're short selling at Interactive Brokers, it's essential to understand how your balance and interest work. You'll be charged a Borrow Fee for borrowing stock, which is a straightforward cost.
Your short sale proceeds will earn interest, and you'll receive this interest from IBKR. This is a nice perk, as it can help offset some of the costs associated with short selling.
Here's a breakdown of how your short selling balance and interest work:
Interest on Short Sale Proceeds Balances
If you have an account with a net asset value (NAV) of USD 100,000 or more, you'll receive interest on your short sale proceeds at the full rate.
Accounts with a NAV below USD 100,000 will receive interest at rates proportional to the size of the account, but there will be no interest paid on the first USD 100,000.
Interest is paid on balances held in certain currencies, but for JPY or RUB balances, IBKR may apply an effective negative rate, regardless of account size.
For other currencies with an effective rate less than zero, the interest paid is 0%.
Here's a breakdown of how interest is paid on short sale proceeds balances:
Keep in mind that these rates are subject to change and may not reflect your specific financial situation. It's essential to review your account details and consult with a financial advisor if needed.
Balance

When you're considering short selling, understanding balance rates is crucial. The balance rate you'll pay depends on the currency and the tier of your balance.
For US dollars, if your balance is between $100,001 and $1,000,000, you'll pay a 3.080% balance rate. This rate is calculated by subtracting 1.25% from the benchmark market rate (BM).
If your balance is between $1,000,001 and $3,000,000, the balance rate jumps to 3.830%. This rate is calculated by subtracting 0.5% from the benchmark market rate (BM).
If your balance exceeds $3,000,000, you'll pay a balance rate of 4.080%. This rate is calculated by subtracting 0.25% from the benchmark market rate (BM).
Here's a breakdown of the balance rates for different currencies and tiers:
Automated Tools and Pricing
To help you estimate how much you'll need to pay to borrow a stock before entering your order, IBKR offers a handy Stock Loan Borrow (SLB) rates tool.
This tool shows charted daily rate history, intraday time & sales of stock loan fees, and a bar graph of historical rates for 10 days prior.
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The firm will also provide indicative borrow rates when possible, which are the rates that the dealer in the Securities Lending/Borrowing Market are open to transacting.
All transactions will be settled 3 business days after their execution, at which time you might find the borrow rates changing, which may be significantly.
Sources
- https://www.interactivebrokers.com/en/trading/short-securities-availability.php
- https://www.interactivebrokers.com.sg/en/pricing/short-sale-cost.php
- https://www.bydfi.com/en/questions/how-can-i-short-cryptocurrencies-using-interactive-brokers
- https://tokenist.com/investing/best-broker-for-short-selling-stocks/
- https://www.interactivebrokers.com/campus/trading-lessons/shorting-stocks-on-ibkrs-trader-workstation-tws/
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