What Is IBKR Fair Value?
Interactive Brokers Group Inc. (IBKR) fair value estimate using multiple valuation models, updated daily.
As of September 15, 2026, Interactive Brokers Group Inc. (IBKR) has a composite fair value estimate of $1,089.95 based on four valuation models: DCF (35% weight), Graham Number (25% weight), PEG (25% weight), and DDM (15% weight). The current market price is $88.80, suggesting the stock is undervalued by 1127.4%.
Data as of September 15, 2026 (today)
Composite Fair Value
Undervalued4 of 4 models$1,089.95
vs. current price of $88.80(+1127.4%)
How Is IBKR Fair Value Calculated?
Four independent models estimate what IBKR is worth. Each uses different inputs and assumptions. The composite blends them by weight.
IBKR Intrinsic Value
Forward-looking models based on future cash flows
DCF (Discounted Cash Flow)
35% weightEstimates how much cash the company will generate over the next 10 years, then calculates what all that future cash is worth in today's dollars. Includes a 15% safety cushion. Try the standalone DCF calculator →
$2,592.44
+2819.4%Undervalued
Inputs used
DDM (Dividend Discount Model)
15% weightIf a company pays you dividends, this model asks: how much are all those future dividend payments worth today? Only works for stocks that pay dividends. Try the intrinsic value calculator →
$9.64
-89.1%Overvalued
Inputs used
IBKR Fair Value
Current fundamentals: earnings, assets, and growth rate
Graham Number (Value Investing)
25% weightCreated by legendary investor Benjamin Graham. It looks at two things: how much the company earns (EPS) and what its assets are worth (Book Value), then calculates the maximum price a careful investor should pay. Try the fair value calculator →
$28.24
-68.2%Overvalued
Inputs used
PEG (Price/Earnings to Growth)
25% weightChecks if you're paying a fair price for the company's growth. A fast-growing company deserves a higher price than a slow one. This model finds the right price based on how fast earnings are growing.
$55.88
-37.1%Overvalued
Inputs used
What If You Change the Assumptions?
Drag the sliders to test different scenarios. Tap the ? buttons to learn what each input means.
Your DCF Fair Value
Current price $88.80 is 2819.4% below this estimate
View 10-year cash flow projections
| Year | Projected FCF (Free Cash Flow) | Present Value |
|---|---|---|
| Year 1 | $19.20B | $17.83B |
| Year 2 | $23.17B | $19.98B |
| Year 3 | $27.95B | $22.39B |
| Year 4 | $33.73B | $25.09B |
| Year 5 | $40.69B | $28.11B |
| Year 6 | $49.10B | $31.50B |
| Year 7 | $59.24B | $35.30B |
| Year 8 | $71.48B | $39.55B |
| Year 9 | $86.24B | $44.32B |
| Year 10 | $104.05B | $49.66B |
| Terminal Value | $2.06T | $983.04B |
What Are IBKR's Key Financial Metrics?
Earnings & Growth
Current Price
$88.80
EPS (TTM)
$2.52
Forward P/E
27.9
Profit Margin
16.5%
Cash & Balance Sheet
Free Cash Flow
0
EBITDA
0
Book Value
$13.10
Total Debt
45.8B
What Do Analysts Say About IBKR?
Low
$70.00
Average
$105.74
High
$121.00
Upside
+19.1%
IBKR Fair Value FAQ
What is the fair value of IBKR?
Based on our composite model (DCF 35%, Graham 25%, PEG 25%, DDM 15%), IBKR's estimated fair value is $1,089.95. The stock is currently trading at $88.80, which makes it undervalued by our analysis.
How is IBKR's fair value calculated?
We use four valuation methods: Discounted Cash Flow (DCF), Graham Number, PEG-based Fair Value, and Dividend Discount Model (for dividend-paying stocks). The composite score weights DCF at 35%, Graham and PEG at 25% each, and DDM at 15%. When a model can't be applied, its weight is redistributed proportionally.
Is IBKR overvalued or undervalued?
Based on our analysis, IBKR is undervalued. The current price of $88.80 is 1127.4% below our estimated fair value of $1,089.95.
What do Wall Street analysts say about IBKR?
13 analysts cover Interactive Brokers Group Inc. with a consensus rating of "Buy." The average price target is $105.74, ranging from $70.00 to $121.00. This implies 19.1% upside from the current price.