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ISIN
US7625441040
CUSIP
762544104
IPO Date
May 25, 2000

Highlights

Market Cap
$548.06M
Enterprise Value
$578.25M
EPS (TTM)
$0.18
PE Ratio
17.58
PEG Ratio
0.04
Total Revenue (TTM)
$825.88M
Gross Profit (TTM)
$402.24M
EBITDA (TTM)
$29.92M
Year Range
$1.80 - $4.29
Target Price
$3.50
ROA (TTM)
2.77%
ROE (TTM)
7.49%

Share Price Chart


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Ribbon Communications Inc.

Often compared with RBBN:
RBBN vs. APLD

Performance

RBBN Performance Chart

Ribbon Communications Inc. (RBBN) is up 8.3% since the beginning of the year. At $3 per share, RBBN is trading 27.3% below its 52-week high of $4. Investors who bought $1,000 worth of RBBN shares 5 years ago would now be looking at an investment worth $409.


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S&P 500 Index

Returns By Period

Ribbon Communications Inc. (RBBN) has returned 8.33% so far this year and -18.32% over the past 12 months.


Ribbon Communications Inc.

1D
-6.59%
1M
16.85%
YTD
8.33%
6M
8.33%
1Y
-18.32%
3Y*
2.12%
5Y*
-16.38%
10Y*

Benchmark (S&P 500 Index)

1D
-0.74%
1M
4.90%
YTD
10.35%
6M
10.28%
1Y
26.52%
3Y*
20.83%
5Y*
12.30%
10Y*
13.66%
*Multi-year figures are annualized to reflect compound growth (CAGR)

RBBN Monthly Returns History

Based on dividend-adjusted daily data since Nov 29, 2017, RBBN's average daily return is +0.02%, while the average monthly return is +0.28%. At this rate, an investment would double in approximately 20.7 years.

Historically, 50% of months were positive and 50% were negative. The best month was Nov 2020 with a return of +59.2%, while the worst month was Sep 2022 at -36.8%. The longest winning streak lasted 4 consecutive months, and the longest losing streak was 5 months.

On a daily basis, RBBN closed higher 48% of trading days. The best single day was Apr 24, 2024 with a return of +26.5%, while the worst single day was Feb 6, 2026 at -27.9%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026-9.03%-14.89%-4.93%24.53%16.67%1.30%8.33%
2025-1.44%15.12%-16.95%-18.11%5.30%18.64%-6.23%8.51%-6.86%-11.58%-14.88%0.70%-30.77%
20244.83%-1.64%7.02%-0.94%-0.95%4.78%3.04%0.59%-4.69%9.54%9.83%6.39%43.45%
202325.81%27.07%-23.32%-25.15%8.59%0.36%13.98%-6.92%-9.46%-29.85%13.30%36.15%3.94%
2022-25.62%-32.44%1.64%11.65%-17.97%7.42%11.51%3.54%-36.75%19.37%-4.53%10.28%-53.88%
202111.43%18.19%-4.98%-17.78%10.22%2.28%-9.20%-5.50%-8.42%-8.53%-0.37%11.01%-7.77%

Benchmark Metrics

Ribbon Communications Inc. has an annualized alpha of -11.76%, beta of 1.30, and R2 of 0.19 versus S&P 500 Index. Calculated based on daily prices since November 30, 2017.

  • This stock participated in 124.48% of S&P 500 Index downside but only 37.22% of its upside - more exposed to losses than it benefited from rallies.
  • R2 of 0.19 means this stock moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

Alpha
-11.76%
Beta
1.30
0.19
Upside Capture
37.22%
Downside Capture
124.48%

Return for Risk

Risk / Return Rank

RBBN ranks 29 for risk / return — below 29% of stocks on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.


RBBN Risk / Return Rank: 2929
Overall Rank
RBBN Sharpe Ratio Rank: 2828
Sharpe Ratio Rank
RBBN Sortino Ratio Rank: 2929
Sortino Ratio Rank
RBBN Omega Ratio Rank: 2929
Omega Ratio Rank
RBBN Calmar Ratio Rank: 3030
Calmar Ratio Rank
RBBN Martin Ratio Rank: 3030
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for Ribbon Communications Inc. (RBBN) and compare them to S&P 500 Index.


RBBNBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-2.56

Sortino ratioReturn per unit of downside risk

-3.12

Omega ratioGain probability vs. loss probability

0.99

1.41

-0.41

Calmar ratioReturn relative to maximum drawdown

-0.34

2.93

-3.27

Martin ratioReturn relative to average drawdown

-0.61

13.52

-14.13

Dividends

Dividend History


Ribbon Communications Inc. doesn't pay dividends

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the Ribbon Communications Inc.. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Ribbon Communications Inc. was 83.30%, occurring on Nov 1, 2023. The portfolio has not yet recovered.

The current Ribbon Communications Inc. drawdown is 71.99%.


Related event

Drawdown

Fall

Recovery

Underwater

2023 bear market2023
-83.30%Nov 2023
2y 8mo
5y 3moFeb 2021 - now
COVID crash2020
-75.63%Mar 2020
2y 3mo10mo 22d
3y 1moDec 2017 - Feb 2021
2021 pullback2021
-7.16%Feb 2021
1d5d
6dFeb 2021 - Feb 2021
2017 pullback2017
-4.70%Dec 2017
4d8d
12dNov 2017 - Dec 2017

Drawdown Indicators


RBBNBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-83.30%

-56.78%

-26.52%

Max Drawdown (1Y)

Largest decline over 1 year

-54.12%

-9.10%

-45.02%

Max Drawdown (3Y)

Largest decline over 3 years

-62.06%

-18.90%

-43.16%

Max Drawdown (5Y)

Largest decline over 5 years

-77.45%

-25.43%

-52.02%

Max Drawdown (10Y)

Largest decline over 10 years

-33.92%

Current Drawdown

Current decline from peak

-71.99%

-0.74%

-71.25%

Average Drawdown

Average peak-to-trough decline

-54.79%

-10.72%

-44.07%

Ulcer Index

Depth and duration of drawdowns from previous peaks

30.17%

1.97%

+28.20%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Financials

Financial Performance

The chart below illustrates the trends in the financial health of Ribbon Communications Inc. over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.


Annual
Quarterly

0.0

Valuation

The Valuation section provides an overview of how Ribbon Communications Inc. is priced in the market compared to other companies in the Telecom Services industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.


PE Ratio

The chart displays the Price-to-Earnings (P/E) ratio for RBBN, comparing it with other companies in the Telecom Services industry. Currently, RBBN has a P/E ratio of 17.6. This P/E ratio is in line with the industry average, suggesting the stock may be fairly valued relative to its earnings.

PEG Ratio

The chart shows the Price/Earnings to Growth (PEG) ratio for RBBN compared to other companies in the Telecom Services industry. RBBN currently has a PEG ratio of 0.0. This PEG ratio is close to the industry average, suggesting the stock’s valuation is balanced against its growth outlook.

PS Ratio

This chart shows the Price-to-Sales (P/S) ratio for RBBN relative to other companies in the Telecom Services industry. Currently, RBBN has a P/S ratio of 0.7. This P/S ratio falls within the average range for the industry, suggesting the stock is fairly valued based on its revenue.

PB Ratio

The chart illustrates the Price-to-Book (P/B) ratio for RBBN in comparison with other companies in the Telecom Services industry. Currently, RBBN has a P/B value of 1.3. This P/B ratio is in line with the industry average, suggesting the stock is valued fairly in relation to its book value.

Income Statement



TTM
Revenue

Total Revenue

Cost Of Revenue

Gross Profit

Operating Expenses

Selling, General & Admin Expenses

R&D Expenses

Depreciation And Amortization

Total Operating Expenses

Income

Income Before Tax

Operating Income

EBITDA

EBIT

Earnings From Continuing Operations

Net Income

Income Tax Expense

Other Non-Operating Income (Expenses)

Extraordinary Items

Discontinued Operations

Effect Of Accounting Charges

Non Recurring

Minority Interest

Other Items

Interest Income

Interest Expense

Net Interest Income

Values in undefined except per share items
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