PortfoliosLab logo

American Shared Hospital Services (AMS)

Equity · Currency in USD · Last updated Apr 1, 2023

Share Price Chart

Loading data...


The chart shows the growth of $10,000 invested in American Shared Hospital Services in Oct 2022 and compares it to the S&P 500 index or another benchmark. It would be worth nearly $4,916 for a total return of roughly -50.84%. All prices are adjusted for splits and dividends.

AMS (American Shared Hospital Services)
Benchmark (^GSPC)

S&P 500

Compare to other instruments

Search for stocks, ETFs, and funds to compare with AMS

American Shared Hospital Services


American Shared Hospital Services had a return of -4.10% year-to-date (YTD) and 19.07% in the last 12 months. Over the past 10 years, American Shared Hospital Services had an annualized return of 3.51%, while the S&P 500 had an annualized return of 10.53%, indicating that American Shared Hospital Services did not perform as well as the benchmark.

1 month-23.64%3.51%
6 months7.66%12.88%
1 year19.07%-10.71%
5 years (annualized)1.97%8.53%
10 years (annualized)3.51%10.53%

Monthly Returns Heatmap


Sharpe Ratio Chart

The Sharpe ratio shows whether the portfolio's excess returns are due to smart investment decisions or a result of taking a higher risk. The higher a portfolio's Sharpe ratio, the better its risk-adjusted performance.

The current American Shared Hospital Services Sharpe ratio is 0.47. A Sharpe ratio between 0 and 1.0 is considered sub-optimal.

The chart below displays rolling 12-month Sharpe Ratio.

AMS (American Shared Hospital Services)
Benchmark (^GSPC)

Dividend History

American Shared Hospital Services doesn't pay dividends

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way.

AMS (American Shared Hospital Services)
Benchmark (^GSPC)

Worst Drawdowns

The table below shows the maximum drawdowns of the American Shared Hospital Services. A maximum drawdown is an indicator of risk. It shows a reduction in portfolio value from its maximum due to a series of losing trades.

The maximum drawdown since January 2010 for the American Shared Hospital Services is 98.40%, recorded on Sep 7, 1994. The portfolio has not recovered from it yet.



To Bottom


To Recover



-98.4%Jun 29, 19881359Sep 7, 1994
-86.91%Mar 14, 1985272Nov 28, 1986337May 17, 1988609
-17.24%Nov 9, 198417Dec 4, 198429Jan 16, 198546
-5.95%May 18, 19886May 25, 198812Jun 14, 198818
-4.54%Jan 28, 19852Feb 1, 19851Feb 21, 19853
-3.9%Feb 26, 19851Feb 26, 19852Mar 7, 19853
-1.19%Jun 15, 19881Jun 15, 19883Jun 22, 19884

Volatility Chart

Current American Shared Hospital Services volatility is 34.10%. The chart below shows the rolling 10-day volatility. Volatility is a statistical measure showing how big price swings are in either direction. The higher asset volatility, the riskier it is, because the price movements are less predictable.

AMS (American Shared Hospital Services)
Benchmark (^GSPC)