Transocean Ltd. (RIG) P/E Ratio History
Historical price-to-earnings valuation from 1994 to 2021
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RIG Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 8, 2026, Transocean Ltd. (RIG) trades at a price-to-earnings ratio of -2.0x, with a stock price of $6.17 and trailing twelve-month earnings per share of $-2.46.
The current P/E is 109% below its 5-year average of 23.8x. Over the past five years, RIG's P/E has ranged from a low of 2.2x to a high of 236.2x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Energy sector median P/E of 16.8x, RIG trades at a 112% discount to its sector peers. The sector includes 173 companies with P/E ratios ranging from 3.2x to 186.1x.
Relative to the broader market, RIG trades at a notable discount to the S&P 500 median P/E of 25.1x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our RIG DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
RIG P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $6B | 6.6 | -Best | +171% | |
| $8B | 35.9 | -Best | -54% | |
| $2B | 5.6 | -Best | +177% | |
| $680M | 4.0Lowest | -Best | +417%Best | |
| $80B | 22.6 | -Best | -24% | |
| $33B | 26.1 | -Best | -47% | |
| $63B | 24.4 | -Best | -13% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
RIG Historical P/E Data (1994–2021)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2021 Q2 | Wed Jun 30 2021 00:00:00 GM | $4.52 | $0.12 | 37.7x | -14% |
| FY2017 Q1 | Fri Mar 31 2017 00:00:00 GM | $12.45 | $1.61 | 7.7x | -82% |
| FY2016 Q4 | Sat Dec 31 2016 00:00:00 GM | $14.74 | $2.06 | 7.2x | -84% |
| FY2016 Q3 | Fri Sep 30 2016 00:00:00 GM | $10.66 | $3.15 | 3.4x | -92% |
| FY2016 Q2 | $11.89 | $3.44 | 3.5x | -92% | |
| FY2016 Q1 | $9.14 | $4.15 | 2.2x | -95% | |
| FY2015 Q4 | $12.38 | $2.14 | 5.8x | -87% | |
| FY2014 Q2 | Mon Jun 30 2014 00:00:00 GM | $45.03 | $5.00 | 9.0x | -80% |
| FY2014 Q1 | Mon Mar 31 2014 00:00:00 GM | $41.34 | $4.23 | 9.8x | -78% |
| FY2013 Q4 | $49.42 | $3.86 | 12.8x | -71% | |
| FY2013 Q3 | Mon Sep 30 2013 00:00:00 GM | $44.50 | $4.48 | 9.9x | -77% |
| FY2013 Q2 | Sun Jun 30 2013 00:00:00 GM | $47.95 | $1.92 | 25.0x | -43% |
Average P/E for displayed period: 43.9x
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Start ComparisonRIG — Frequently Asked Questions
Quick answers to the most common questions about buying RIG stock.
Is RIG stock overvalued or undervalued?
RIG trades at -2.0x P/E, below its 5-year average of 23.8x. At the N/A percentile of historical range, the stock is priced at a discount to its own history.
How does RIG's valuation compare to peers?
Transocean Ltd. P/E of -2.0x compares to sector median of 16.8x. The discount suggests lower growth expectations or higher risk.
What is RIG's PEG ratio?
RIG PEG ratio is N/A. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 1994-2021.