National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares drawdown: 18.7% below the all-time high
National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares is 18.7% below its all-time high, set Dec 10, 2007 (as of market close, Sep 18, 2026). The chart shows every day as a percentage of the highest level reached up to that point: 100% means a fresh record, everything below is a drawdown.
- Below all-time high
- −18.7%
- 81.3% of ATH
- All-time high
- $94.52
- Dec 10, 2007
- Time below the high
- 18.8 yrs
- since Dec 10, 2007
- Worst-ever drawdown
- −57.5%
- Jun 30, 2010
- Longest underwater
- 18.8 yrs
- between all-time highs
- Today's level first reached
- Nov 16, 2006
- 19.8 yrs ago
- Last time this deep
- never before
- no prior −18.7% episode
% of all-time high since 2005#
The classic underwater chart (drawdown curve), drawn as % of the all-time high — 100% is a fresh record, everything below it is time spent underwater. Basis and range are in the URL, so a particular view is a link.
The deepest drawdowns on record#
Every decline of 15% or more from an all-time high (price basis), deepest first.
| Peak | Trough | Depth | Peak → trough | Recovered by | Underwater |
|---|---|---|---|---|---|
| Dec 10, 2007 | Jun 30, 2010 | −57.5% | 2.6 yrs | not yet | 18.8 yrs+ |
Price basis (no dividends) — the convention crash histories use. With dividends reinvested, recoveries arrive years earlier; switch the basis on the chart above to see it.
Drawdown vs what came next#
One dot per month since 2005: how far National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares stood below its all-time high, and the total return over the following 1, 5 and 10 years.
Read this with survivorship bias in mind: a single asset's history is one surviving sample, so past recoveries here say little about the odds ahead. Monthly windows also overlap heavily (they are not independent samples). Not investment advice.
FAQ#
- How far is National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares from its all-time high?
- National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares is currently 18.7% below its all-time high, set Dec 10, 2007 (as of market close, Sep 18, 2026). Prices only, the convention headlines use; with dividends reinvested the gap is usually smaller.
- What was the biggest National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares drawdown ever?
- The deepest decline on record in our data (since 2005) took National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares 57.5% below its prior high, bottoming Jun 30, 2010. The table on this page lists every major episode with its peak, trough and recovery date.
Methodology & related#
Daily data since -1 from NGG; no free deep history exists for National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares — for a 150-year drawdown record see the S&P 500 drawdown page. The price basis excludes dividends; the total-return basis reinvests them; the real basis additionally deflates by CPI. See also returns by year. Past performance does not predict future returns; not investment advice.